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Diamond deal Costco

Stores 1
Costco
The Home Depot
Walgreens
Ace Hardware
Kroger
Kohl's
Albertsons
Safeway
JC Penney
Fareway
Jewel-Osco
Vons
Fastenal
Pick'n Save
Ralphs
Big 5
Homeland Market
Five Below
Key Food
ACME
Eurofresh Market
Randalls
Food Pavilion
Heinen's
Haggen Food
Menards
Hays Supermarket
Fresh Thyme
Green Hills Grocery
Food Town
Lunardis
Runnings
SuperFresh
Lifethyme
Filters
Ferrero
Almonds
Claret
Black
Hines
Kind
Dare
Coppola
Bakery
Bold
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Costco

Valid: 3 Aug until 18 Aug
View weekly ad
Costco weekly ad (valid until 18-08)
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At Costco weekly ad you’ll find many Diamond specials. In week 32 you won’t find Diamond specials in the Costco weekly ad weekly ad, while other stores might have them.👀

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Stores with Diamond in their assortment

JC Penney

JC Penney

Jewel-Osco

Jewel-Osco

The Home Depot

The Home Depot

Key Food

Key Food

Big 5

Big 5

Walgreens

Walgreens

Fareway

Fareway

Safeway

Safeway

Albertsons

Albertsons

Runnings

Runnings

SuperFresh

SuperFresh

Food Town

Food Town

Five Below

Five Below

Menards

Menards

Ace Hardware

Ace Hardware

Haggen Food

Haggen Food

Kohl's

Kohl's

Vons

Vons

ACME

ACME

Kroger

Kroger

Pick'n Save

Pick'n Save

Ralphs

Ralphs

Fastenal

Fastenal

Homeland Market

Homeland Market

Nearest Costco branch

This Diamond deal Costco is available in the following branches based on your set location:

New York
Automatically locate
Costco logo
Costco976 3rd ave 11232-2400 New York
6.60 km
Costco logo
Costco3250 vernon blvd 11106-4927 Long Island City NY
7.85 km
Costco logo
Costco517 e 117th st 10035-4409 Harlem NY
10.95 km
All locations

Diamond price Costco🕒

OfferNameStoreRegular priceDeal pricePromotionStart dateEnd date
Costco Round Brilliant 4.00 ctw VS2 Clarity, I Color Diamond Eternity Band offerRound Brilliant 4.00 ctw VS2 Clarity, I Color Diamond Eternity BandCostco$5,499.9910 August 202616 August 2026
Costco Oval & Round Brilliant 0.25 ctw VS2 Clarity, I Color Diamond 14kt Gold Hoop Earrings offerOval & Round Brilliant 0.25 ctw VS2 Clarity, I Color Diamond 14kt Gold Hoop EarringsCostco$499.9910 August 202616 August 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9710 August 202616 August 2026
Costco Princess Cut 1.00 ct VS2 Clarity, I Color Diamond 14kt Gold Solitaire Pendant offerPrincess Cut 1.00 ct VS2 Clarity, I Color Diamond 14kt Gold Solitaire PendantCostco$3,199.9910 August 202616 August 2026
Costco Round Brilliant 2.02 ctw VS1 Clarity, H Color Diamond Baguette Platinum Ring offerRound Brilliant 2.02 ctw VS1 Clarity, H Color Diamond Baguette Platinum RingCostco$15,999.9903 August 202609 August 2026
Costco Pear Shape and Round Brilliant 1.45 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Bypass Ring offerPear Shape and Round Brilliant 1.45 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Bypass RingCostco$1,999.9903 August 202609 August 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9703 August 202609 August 2026
Costco Round Brilliant 2.00 ctw VS2 Clarity, I Color Diamond Push Lock Stud Earrings offerRound Brilliant 2.00 ctw VS2 Clarity, I Color Diamond Push Lock Stud EarringsCostco$7,499.9903 August 202609 August 2026
Costco Round Brilliant 4.00 ctw VS2 Clarity, I Color Diamond Eternity Band offerRound Brilliant 4.00 ctw VS2 Clarity, I Color Diamond Eternity BandCostco$5,499.9903 August 202609 August 2026
Costco Princess Cut 1.71 ctw VS2 Clarity, I Color Diamond Platinum Ring offerPrincess Cut 1.71 ctw VS2 Clarity, I Color Diamond Platinum RingCostco$4,999.9703 August 202609 August 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9727 July 202602 August 2026
Costco Princess Cut & Round Brilliant 1.25 ctw VS2 Clarity, I Color Diamond Platinum Wedding Ring Set offerPrincess Cut & Round Brilliant 1.25 ctw VS2 Clarity, I Color Diamond Platinum Wedding Ring SetCostco$3,199.9920 July 202626 July 2026
Costco Round Brilliant 6.00 ctw VS2 Clarity, I Color Diamond 14kt White Gold Tennis Bracelet offerRound Brilliant 6.00 ctw VS2 Clarity, I Color Diamond 14kt White Gold Tennis BraceletCostco$5,999.9920 July 202626 July 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9720 July 202626 July 2026
Costco Anji Mountain Woven Diamond Pouf offerAnji Mountain Woven Diamond PoufCostco$69.9920 July 202626 July 2026
Costco Round Brilliant 1.50 ctw VS2 Clarity, I Color Diamond Platinum Halo Ring offerRound Brilliant 1.50 ctw VS2 Clarity, I Color Diamond Platinum Halo RingCostco$3,199.9913 July 202619 July 2026
Costco Princess Cut & Round Brilliant 1.25 ctw VS2 Clarity, I Color Diamond Platinum Wedding Ring Set offerPrincess Cut & Round Brilliant 1.25 ctw VS2 Clarity, I Color Diamond Platinum Wedding Ring SetCostco$3,199.9907 July 202612 July 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9707 July 202612 July 2026
Costco Round Brilliant 1.00 ctw VS2 Clarity, I Color Diamond 14kt Gold Band offerRound Brilliant 1.00 ctw VS2 Clarity, I Color Diamond 14kt Gold BandCostco$1,299.9907 July 202612 July 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9729 June 202605 July 2026
Costco Round Brilliant 0.34 ctw VS2 Clarity, I Color Diamond 14kt Gold Earrings offerRound Brilliant 0.34 ctw VS2 Clarity, I Color Diamond 14kt Gold EarringsCostco$799.9929 June 202605 July 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9722 June 202628 June 2026
Costco Round Brilliant 0.20 ctw VS2 Clarity, I Color Diamond 14kt Gold Cross Earrings offerRound Brilliant 0.20 ctw VS2 Clarity, I Color Diamond 14kt Gold Cross EarringsCostco$449.9922 June 202628 June 2026
Costco Emerald Cut 4.54 ctw VVS2 Clarity, G Color Diamond Platinum Wedding Set offerEmerald Cut 4.54 ctw VVS2 Clarity, G Color Diamond Platinum Wedding SetCostco$67,499.9922 June 202628 June 2026
Costco Oval 1.65 ctw VS2 Clarity, H Color Diamond Platinum Band offerOval 1.65 ctw VS2 Clarity, H Color Diamond Platinum BandCostco$2,899.9915 June 202621 June 2026
Costco Round Brilliant 1.00 ctw VS2 Clarity, I Color Diamond 14kt Gold Stud Earrings offerRound Brilliant 1.00 ctw VS2 Clarity, I Color Diamond 14kt Gold Stud EarringsCostco$1,899.9915 June 202621 June 2026
Costco Round Brilliant 1.00 ct VS2 Clarity, I Color Diamond 14kt Gold Solitaire Pendant offerRound Brilliant 1.00 ct VS2 Clarity, I Color Diamond 14kt Gold Solitaire PendantCostco$4,299.9915 June 202621 June 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9715 June 202621 June 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9708 June 202614 June 2026
Costco Round Brilliant 1.00 ctw VS2 Clarity, I Color Diamond 14kt Gold Hoop Earrings offerRound Brilliant 1.00 ctw VS2 Clarity, I Color Diamond 14kt Gold Hoop EarringsCostco$1,099.9901 June 202607 June 2026
Costco Emerald Cut & Round Brilliant 1.17 ctw VS2 Clarity, G Color Diamond Platinum Three Stone Ring offerEmerald Cut & Round Brilliant 1.17 ctw VS2 Clarity, G Color Diamond Platinum Three Stone RingCostco$2,799.9901 June 202607 June 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9701 June 202607 June 2026
Costco Citizen Eco Drive Disney Mickey Mouse Diamond Gold Tone Stainless Steel Quartz Women's Watch, 29.5mm offerCitizen Eco Drive Disney Mickey Mouse Diamond Gold Tone Stainless Steel Quartz Women's Watch, 29.5mmCostco$299.9925 May 202631 May 2026
Costco Princess Cut & Round Brilliant 1.07 ctw VS2 Clarity, I Color Diamond 14kt White Gold Halo Ring offerPrincess Cut & Round Brilliant 1.07 ctw VS2 Clarity, I Color Diamond 14kt White Gold Halo RingCostco$2,299.9925 May 202631 May 2026
Costco Emerald Cut & Round Brilliant 1.17 ctw VS2 Clarity, G Color Diamond Platinum Three Stone Ring offerEmerald Cut & Round Brilliant 1.17 ctw VS2 Clarity, G Color Diamond Platinum Three Stone RingCostco$2,799.9925 May 202631 May 2026
Costco Round Brilliant 0.68 ctw VS2 Clarity, I Color Diamond 14kt Gold Multi Row Hoop Earrings offerRound Brilliant 0.68 ctw VS2 Clarity, I Color Diamond 14kt Gold Multi Row Hoop EarringsCostco$999.9925 May 202631 May 2026
Costco Round Brilliant 1.40 ctw VS2 Clarity, I Color Diamond Platinum Ring offerRound Brilliant 1.40 ctw VS2 Clarity, I Color Diamond Platinum RingCostco$2,999.9925 May 202631 May 2026
Costco Round Brilliant 10.00 ctw VS2 Clarity, I Color Diamond 18kt Yellow Gold Hoop Earrings offerRound Brilliant 10.00 ctw VS2 Clarity, I Color Diamond 18kt Yellow Gold Hoop EarringsCostco$17,999.9725 May 202631 May 2026
Costco Bulova Classic Stainless Steel Diamond Rectangle Blue Dial Women's Quartz Watch, 21mm offerBulova Classic Stainless Steel Diamond Rectangle Blue Dial Women's Quartz Watch, 21mmCostco$259.9925 May 202631 May 2026
Costco Round Brilliant 1.60 ctw VS2 Clarity, I Color Diamond 14kt Gold Stud Earrings offerRound Brilliant 1.60 ctw VS2 Clarity, I Color Diamond 14kt Gold Stud EarringsCostco$3,899.9925 May 202631 May 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9718 May 202624 May 2026
Costco Mirador Diamond Series 205 Gallon Storage Box offerMirador Diamond Series 205 Gallon Storage BoxCostco$399.9918 May 202624 May 2026
Costco Round Brilliant 1.04 ctw VS2 Clarity, I Color Diamond 14kt White Gold Halo Ring offerRound Brilliant 1.04 ctw VS2 Clarity, I Color Diamond 14kt White Gold Halo RingCostco$1,898.72$1,499.99$398.73 Discount18 May 202624 May 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9711 May 202617 May 2026
Costco Round Brilliant 1.80 ctw VS2 Clarity, I Color Diamond 14kt White Gold Cross Pendant offerRound Brilliant 1.80 ctw VS2 Clarity, I Color Diamond 14kt White Gold Cross PendantCostco$2,999.9711 May 202617 May 2026
Costco Round Brilliant 1.50 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Three Stone Pendant offerRound Brilliant 1.50 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Three Stone PendantCostco$3,999.9711 May 202617 May 2026
Costco Round Brilliant 1.00 ctw VS2 Clarity, G Color Diamond 14kt White Gold Cross Pendant offerRound Brilliant 1.00 ctw VS2 Clarity, G Color Diamond 14kt White Gold Cross PendantCostco$1,499.9904 May 202610 May 2026
Costco Cushion Cut 1.60 ctw VS2 Clarity, I Color Diamond Platinum Wedding Set offerCushion Cut 1.60 ctw VS2 Clarity, I Color Diamond Platinum Wedding SetCostco$4,499.9704 May 202610 May 2026
Costco 14kt Gold Diamond Cut Round Box Chain offer14kt Gold Diamond Cut Round Box ChainCostco$699.9904 May 202610 May 2026
Costco Round Brilliant 5.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Strand Necklace offerRound Brilliant 5.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Strand NecklaceCostco$5,999.9904 May 202610 May 2026
Costco Round Brilliant 0.23 ctw VS2 Clarity, I Color Diamond 14kt Gold Screwback Stud Earrings offerRound Brilliant 0.23 ctw VS2 Clarity, I Color Diamond 14kt Gold Screwback Stud EarringsCostco$289.9904 May 202610 May 2026
Costco Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Bangle Bracelet offerRound Brilliant 2.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Bangle BraceletCostco$2,207.78$1,699.99$507.79 Discount04 May 202610 May 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9704 May 202610 May 2026
Costco 14kt Two-Tone Gold Diamond Cut Crucifix on an 18-20 Chain offer14kt Two-Tone Gold Diamond Cut Crucifix on an 18-20 ChainCostco$419.9904 May 202610 May 2026
Costco Round Brilliant 0.50 ctw VS2 Clarity, I Color Diamond 14kt Gold Cross Pendant offerRound Brilliant 0.50 ctw VS2 Clarity, I Color Diamond 14kt Gold Cross PendantCostco$899.9904 May 202610 May 2026
Costco Round Brilliant 12.00 ctw VS2 Clarity, G Color Diamond 14kt White Gold Strand Necklace offerRound Brilliant 12.00 ctw VS2 Clarity, G Color Diamond 14kt White Gold Strand NecklaceCostco$13,999.9904 May 202610 May 2026
Costco Round Brilliant 1.00 ctw VS2 Clarity, I Color Diamond Eternity Band offerRound Brilliant 1.00 ctw VS2 Clarity, I Color Diamond Eternity BandCostco$1,099.9927 April 202603 May 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9727 April 202603 May 2026
Costco Citizen Eco Drive Disney Mickey Mouse Diamond Gold Tone Stainless Steel Quartz Women's Watch, 29.5mm offerCitizen Eco Drive Disney Mickey Mouse Diamond Gold Tone Stainless Steel Quartz Women's Watch, 29.5mmCostco$299.9927 April 202603 May 2026
Costco Anji Mountain Woven Diamond Pouf offerAnji Mountain Woven Diamond PoufCostco$69.9920 April 202626 April 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9720 April 202626 April 2026
Costco Multi Cut 3.82 ctw VS2 Clarity, I Color Diamond 18kt White Gold Cluster Earrings offerMulti Cut 3.82 ctw VS2 Clarity, I Color Diamond 18kt White Gold Cluster EarringsCostco$5,999.9920 April 202626 April 2026
Costco Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Bangle Bracelet offerRound Brilliant 2.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Bangle BraceletCostco$2,199.9920 April 202626 April 2026
Costco Round Brilliant 1.00 ctw VS2 Clarity, I Color Diamond Eternity Band offerRound Brilliant 1.00 ctw VS2 Clarity, I Color Diamond Eternity BandCostco$1,099.9920 April 202626 April 2026
Costco Round Brilliant 2.00 ctw VS2 Clarity, I Color Diamond 14kt White Gold Halo Earrings offerRound Brilliant 2.00 ctw VS2 Clarity, I Color Diamond 14kt White Gold Halo EarringsCostco$3,797.46$2,999.99$797.47 Discount13 April 202619 April 2026
Costco Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Bangle Bracelet offerRound Brilliant 2.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Bangle BraceletCostco$2,199.9913 April 202619 April 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9707 April 202612 April 2026
Costco Round Brilliant 0.50 ctw VS2 Clarity, I Color Diamond 14kt Gold Stud Earrings offerRound Brilliant 0.50 ctw VS2 Clarity, I Color Diamond 14kt Gold Stud EarringsCostco$729.9907 April 202612 April 2026
Costco Round Brilliant 1.28 ctw VS2 Clarity, I Color Diamond 14kt White Gold Wedding Ring offerRound Brilliant 1.28 ctw VS2 Clarity, I Color Diamond 14kt White Gold Wedding RingCostco$4,399.9907 April 202612 April 2026
Costco Round Brilliant 2.00 ctw VS2 Clarity, I Color Diamond Push Lock Stud Earrings offerRound Brilliant 2.00 ctw VS2 Clarity, I Color Diamond Push Lock Stud EarringsCostco$7,999.9907 April 202612 April 2026
Costco Round Brilliant 0.50 ctw VS2 Clarity, G Color Diamond 14kt White Gold Solitaire Pendant offerRound Brilliant 0.50 ctw VS2 Clarity, G Color Diamond 14kt White Gold Solitaire PendantCostco$1,455.68$1,149.99$305.69 Discount07 April 202612 April 2026
Costco Round Brilliant & Baguette 1.68 ctw VS2 Clarity, I Color Diamond Platinum Ring offerRound Brilliant & Baguette 1.68 ctw VS2 Clarity, I Color Diamond Platinum RingCostco$4,499.9907 April 202612 April 2026
Costco Round Brilliant 10.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Eternity Strand Necklace offerRound Brilliant 10.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Eternity Strand NecklaceCostco$11,999.9907 April 202612 April 2026
Costco Round Brilliant 1.28 ctw VS2 Clarity, I Color Diamond 14kt White Gold Wedding Ring offerRound Brilliant 1.28 ctw VS2 Clarity, I Color Diamond 14kt White Gold Wedding RingCostco$4,399.9930 March 202605 April 2026
Costco Round Brilliant 2.00 ctw VS2 Clarity, I Color Diamond Push Lock Stud Earrings offerRound Brilliant 2.00 ctw VS2 Clarity, I Color Diamond Push Lock Stud EarringsCostco$7,999.9930 March 202605 April 2026
Costco Morganite and Diamond 14kt Rose Gold Earrings offerMorganite and Diamond 14kt Rose Gold EarringsCostco$949.9930 March 202605 April 2026
Costco Princess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo Ring offerPrincess Cut & Round Brilliant 2.00 ctw VS2 Clarity, G Color Diamond Platinum Halo RingCostco$6,999.9730 March 202605 April 2026
Costco Round Brilliant 0.50 ctw VS2 Clarity, I Color Diamond 14kt Gold Stud Earrings offerRound Brilliant 0.50 ctw VS2 Clarity, I Color Diamond 14kt Gold Stud EarringsCostco$729.9930 March 202605 April 2026
Costco Round Brilliant 10.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Eternity Strand Necklace offerRound Brilliant 10.00 ctw VS2 Clarity, G Color Diamond 14kt Gold Eternity Strand NecklaceCostco$11,999.9930 March 202605 April 2026
Costco Morganite and Diamond 14kt Rose Gold Earrings offerMorganite and Diamond 14kt Rose Gold EarringsCostco$949.9923 March 202629 March 2026
Costco Round Brilliant 0.40 ctw VS2 Clarity, I Color Diamond 14kt White Gold Men's Band offerRound Brilliant 0.40 ctw VS2 Clarity, I Color Diamond 14kt White Gold Men's BandCostco$1,799.9923 March 202629 March 2026
Costco Round Brilliant 5.0 ctw VS2 Clarity, I Color Diamond Platinum Eternity Band offerRound Brilliant 5.0 ctw VS2 Clarity, I Color Diamond Platinum Eternity BandCostco$8,499.9923 March 202629 March 2026
Costco Emerald Cut & Round Brilliant 6.74 ctw VS2 Clarity, H Color Diamond 18kt White Gold Bracelet offerEmerald Cut & Round Brilliant 6.74 ctw VS2 Clarity, H Color Diamond 18kt White Gold BraceletCostco$16,999.9723 March 202629 March 2026
Costco Oval Cut 1.52 ctw VS2 Clarity, I Color Diamond 14kt White Gold Ring offerOval Cut 1.52 ctw VS2 Clarity, I Color Diamond 14kt White Gold RingCostco$3,299.9923 March 202629 March 2026
Costco Round Brilliant 0.60 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Pendant offerRound Brilliant 0.60 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold PendantCostco$1,699.9923 March 202629 March 2026
Costco Gemstone and Diamond 14kt Yellow Gold Earrings offerGemstone and Diamond 14kt Yellow Gold EarringsCostco$299.9923 March 202629 March 2026
Costco GreenPan Spectra Diamond 11-piece Cookware Set offerGreenPan Spectra Diamond 11-piece Cookware SetCostco$391.88$289.99$101.89 Discount16 March 202622 March 2026
Costco Round Brilliant 2.00 ctw VS2 Clarity, I Color Diamond Platinum Band offerRound Brilliant 2.00 ctw VS2 Clarity, I Color Diamond Platinum BandCostco$3,999.99$3,199.99$800.00 Discount16 March 202622 March 2026
Costco Round Brilliant 1.28 ctw VS2 Clarity, I Color Diamond 14kt White Gold Wedding Ring offerRound Brilliant 1.28 ctw VS2 Clarity, I Color Diamond 14kt White Gold Wedding RingCostco$4,399.9916 March 202622 March 2026
Costco Round Brilliant 1.50 ctw VS2 Clarity, G Color Diamond 14kt White Gold Hoop Earrings offerRound Brilliant 1.50 ctw VS2 Clarity, G Color Diamond 14kt White Gold Hoop EarringsCostco$1,399.9916 March 202622 March 2026
Costco Round Brilliant 0.60 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Pendant offerRound Brilliant 0.60 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold PendantCostco$1,699.9916 March 202622 March 2026
Costco Oval Cut 1.52 ctw VS2 Clarity, I Color Diamond 14kt White Gold Ring offerOval Cut 1.52 ctw VS2 Clarity, I Color Diamond 14kt White Gold RingCostco$3,299.9909 March 202615 March 2026
Costco Round Brilliant 5.0 ctw VS2 Clarity, I Color Diamond Platinum Eternity Band offerRound Brilliant 5.0 ctw VS2 Clarity, I Color Diamond Platinum Eternity BandCostco$8,499.9909 March 202615 March 2026
Costco Round Brilliant 7.00 ctw VS2 Clarity, I Color Diamond 18kt White Gold Hoop Earrings offerRound Brilliant 7.00 ctw VS2 Clarity, I Color Diamond 18kt White Gold Hoop EarringsCostco$12,999.9909 March 202615 March 2026
Costco Round Brilliant 0.60 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Pendant offerRound Brilliant 0.60 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold PendantCostco$1,699.9909 March 202615 March 2026
Costco Garnet and Diamond 14kt Yellow Gold Pendant offerGarnet and Diamond 14kt Yellow Gold PendantCostco$799.9909 March 202615 March 2026
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Costco Diamond deal

At Costco, you’ll find a wide selection and range of ⭐️Diamond deals⭐️. This week, Costco has 0 Diamond deals in the weekly ad. Remove your filters to view all Diamond deals, find the best prices, and save on your next purchase. Use the filters to find the deals of your favourite shop or product to make your purchases as cheap as possible, for the lowest price. You can save your search to stay updated when Diamond is on deal again in this or next week’s weekly ad. Is the product not on promotion now but still needed? Check out similar deals to find an alternative.

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Last update: Tuesday, August 11, 2026
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