Stores (21) 
Promotion 
Add Relevance
$600 off
Round brilliant 1.10 ctw diamond earrings and or 0.76 ctw necklace
$2,999.99
$2,399.99
London Blue Topaz and Diamond 14kt White Gold Ring
$749.99
Round Brilliant 2.50 ctw VS2 Clarity, I Color Diamond Platinum Band
$4,799.99
4mm Comfort Fit Diamond Cut and High Polish Beveled Edge Wedding Band
$284.99
Round Brilliant 1.00 ct VS2 Clarity, I Color Diamond Solitaire Ring
$3,999.99
Oval Cut 8 x 6 mm Morganite & Diamond 14kt White Gold Bracelet
$10,499.99
Round Brilliant 0.90 ctw VS2 Clarity, I Color Diamond 14kt Gold Band
$999.99
Round Brilliant 0.50 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Band
$999.99
Princess Cut 0.73 ctw VS2 Clarity, G Color Diamond 14kt Gold Stud Earrings
$999.99
Round Brilliant 1.28 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Band
$1,499.99
Round Brilliant 0.75 ctw VS2 Clarity, G Color Diamond 14kt White Gold Ring
$1,099.99
Round Brilliant 0.20 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Zodiac Pendant
$599.97
Round Brilliant 1.40 ctw VS2 Clarity, I Color Diamond 14kt White Gold Wedding Set
$2,199.99
Emerald & Round Brilliant 1.39 ctw VS2 Clarity, I Color Diamond 14kt White Gold Ring
$1,999.99
Related brands
Deal history
Diamond is currently on deal at Costco, with the lowest price now $284.99. Based on deal history, we expect it to return in week 48.
Stores with Diamond in their assortment
JC Penney
Costco
Belk
Boscov's
ACME
Ace Hardware
Safeway
Albertsons
Jewel-Osco
Dollar General
The Home Depot
Vons
Menards
Big 5
Weis Markets
Tony’s Fresh Market
Walmart
ShopRite
Five Below
Claire's
Littman Jewelers
Haggen Food
C Town
Market Basket
Nearest branch
This Diamond deal Costco is available in the following branches based on your set location:
New York
Diamond price Costco🕒
| Offer | Name | Store | Regular price | Deal price | Promotion | Start date | End date |
|---|---|---|---|---|---|---|---|
| Round Brilliant 0.90 ctw VS2 Clarity, I Color Diamond 14kt Gold Band | Costco | $999.99 | 03 November 2025 | 09 November 2025 | ||
| Oval Cut 8 x 6 mm Morganite & Diamond 14kt White Gold Bracelet | Costco | $10,499.99 | 03 November 2025 | 09 November 2025 | ||
| Emerald & Round Brilliant 1.39 ctw VS2 Clarity, I Color Diamond 14kt White Gold Ring | Costco | $1,999.99 | 03 November 2025 | 09 November 2025 | ||
| Round Brilliant 1.00 ct VS2 Clarity, I Color Diamond Solitaire Ring | Costco | $3,999.99 | 03 November 2025 | 09 November 2025 | ||
| Round Brilliant 1.40 ctw VS2 Clarity, I Color Diamond 14kt White Gold Wedding Set | Costco | $2,199.99 | 03 November 2025 | 09 November 2025 | ||
| 4mm Comfort Fit Diamond Cut and High Polish Beveled Edge Wedding Band | Costco | $284.99 | 03 November 2025 | 09 November 2025 | ||
| Round Brilliant 2.50 ctw VS2 Clarity, I Color Diamond Platinum Band | Costco | $4,799.99 | 03 November 2025 | 09 November 2025 | ||
| Round Brilliant 0.20 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Zodiac Pendant | Costco | $599.97 | 03 November 2025 | 09 November 2025 | ||
| Round Brilliant 1.28 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Band | Costco | $1,499.99 | 03 November 2025 | 09 November 2025 | ||
| Round Brilliant 0.75 ctw VS2 Clarity, G Color Diamond 14kt White Gold Ring | Costco | $1,099.99 | 03 November 2025 | 09 November 2025 | ||
| London Blue Topaz and Diamond 14kt White Gold Ring | Costco | $749.99 | 03 November 2025 | 09 November 2025 | ||
 | Round Brilliant 0.20 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Zodiac Pendant | Costco | $599.97 | 27 October 2025 | 02 November 2025 | ||
 | Oval Cut 8 x 6 mm Morganite & Diamond 14kt White Gold Bracelet | Costco | $10,499.99 | 27 October 2025 | 02 November 2025 | ||
 | Round Brilliant 0.20 ctw VS2 Clarity, I Color Diamond 14kt Yellow Gold Zodiac Pendant | Costco | $599.97 | 20 October 2025 | 26 October 2025 | ||
 | Bulova Classic Diamond Malachite Stainless Steel Quartz Women's Watch, 34mm | Costco | $349.99 | 20 October 2025 | 26 October 2025 | ||
 | Emerald Cut 2.46 ctw VVS2 Clarity, H Color Diamond Platinum Wedding Set | Costco | $14,999.99 | 14 October 2025 | 19 October 2025 | ||
 | Round Brilliant 1.30 ct VS1 Clarity, D Color Diamond Platinum Solitaire Ring | Costco | $10,999.99 | 14 October 2025 | 19 October 2025 | ||
 | 14kt Yellow Gold Diamond Cut Hoop Earrings | Costco | $199.97 | 22 September 2025 | 28 September 2025 | ||
 | Round Brilliant 1.10 ctw VS2 Clarity, I Color Diamond 14kt White Gold Wedding Set | Costco | $1,699.99 | 02 July 2025 | 06 July 2025 | ||
 | NewAge Performance Diamond Plate Series Garage Cabinets 7-piece Set | Costco | $1,499.99 | $1,199.99 | $300.00 Discount | 13 December 2024 | 19 December 2024 |
 | 14kt Yellow Gold Diamond Cut Huggie Hoop Earring | Costco | $289.99 | 26 July 2024 | 01 August 2024 | ||
 | Anji Mountain Woven Diamond Pouf | Costco | $69.99 | 12 July 2024 | 18 July 2024 | ||
 | Anji Mountain Woven Diamond Pouf | Costco | $69.99 | 27 June 2024 | 25 July 2024 | ||
 | Colorado clothing men's diamond quilted jacket | Costco | $21.99 | 15 December 2023 | 20 December 2023 | ||
 | Tanzanite and diamond 14kt white gold ring | Costco | $3,199.99 | 24 November 2023 | 26 November 2023 | ||
 | Ruby and diamond 14kt white gold earrings | Costco | $1,999.97 | 31 August 2023 | 08 September 2023 | ||
 | Round brilliant & baguette 0.35 ctw vs2 clarity, i color stackable diamond band | Costco | $399.97 | 10 March 2023 | 17 March 2023 | ||
 | Amethyst and diamond 14kt yellow gold earrings | Costco | $399.97 | 03 March 2023 | 10 March 2023 | ||
 | Amethyst and diamond 14kt yellow gold earrings | Costco | $399.97 | 13 January 2023 | 20 January 2023 | ||
 | Amethyst and diamond 14kt yellow gold earrings | Costco | $399.97 | 06 January 2023 | 13 January 2023 | ||
 | Oval cut blue sapphire and diamond 14kt white gold ring | Costco | $1,099.97 | 02 December 2022 | 09 December 2022 | ||
 | 14kt two-tone gold diamond cut hoop earrings | Costco | $199.99 | 28 October 2022 | 04 November 2022 | ||
 | Gemstone & diamond 14kt white gold ring | Costco | $549.99 | 28 October 2022 | 04 November 2022 | ||
 | Lab created emerald and diamond 14kt yellow gold earrings | Costco | $1,299.99 | 26 August 2022 | 01 September 2022 |
