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Diamond deal Costco

There are 3 new Diamond deals available in the Costco weekly ad from 10/16/2025.

Stores 1
Costco
WalmartThe Home DepotDollar GeneralCVSHarbor Freight ToolsKohl'sTractor Supply CompanySafewayBath & Body WorksJC PenneyVonsStop&ShopBravo SupermarketsWeis MarketsBig 5Five BelowACMEBoscov'sOcean State Job LotMenardsC TownTony’s Fresh Market
3 of 112 deals
Costco
Costco Round brilliant 1.10 ctw diamond earrings and or 0.76 ctw necklace offer
$600 off

Round brilliant 1.10 ctw diamond earrings and or 0.76 ctw necklace

Not yet valid
Valid in 72 days
$2,999.99
$2,399.99
Costco
Costco Round Brilliant 1.30 ct VS1 Clarity, D Color Diamond Platinum Solitaire Ring offer

Round Brilliant 1.30 ct VS1 Clarity, D Color Diamond Platinum Solitaire Ring

Still valid for 3 days
$10,999.99
Costco
Costco Emerald Cut 2.46 ctw VVS2 Clarity, H Color Diamond Platinum Wedding Set offer

Emerald Cut 2.46 ctw VVS2 Clarity, H Color Diamond Platinum Wedding Set

Still valid for 3 days
$14,999.99

Related brands

active
Diamond
Diamond
Dove
Dove
Hershey's
Hershey's
Kellogg's
Kellogg's
Jack
Jack
Sun
Sun

Deal history

Diamond is currently on deal at Costco, with the lowest price now $10,999.99. Based on deal history, we expect it to return in week 45.
Compare prices
Send notification in week 45

Stores with Diamond in their assortment

JC Penney

JC Penney

Harbor Freight Tools

Harbor Freight Tools

ACME

ACME

Costco

Costco

Bath & Body Works

Bath & Body Works

Safeway

Safeway

Walmart

Walmart

Five Below

Five Below

Menards

Menards

The Home Depot

The Home Depot

Boscov's

Boscov's

C Town

C Town

Dollar General

Dollar General

Kohl's

Kohl's

Vons

Vons

Bravo Supermarkets

Bravo Supermarkets

Big 5

Big 5

Albertsons

Albertsons

ShopRite

ShopRite

Claire's

Claire's

Littman Jewelers

Littman Jewelers

Ace Hardware

Ace Hardware

Haggen Food

Haggen Food

Market Basket

Market Basket

Nearest branch

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

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

Diamond price Costco🕒

OfferNameStoreRegular priceDeal pricePromotionStart dateEnd date
Costco Emerald Cut 2.46 ctw VVS2 Clarity, H Color Diamond Platinum Wedding Set offerEmerald Cut 2.46 ctw VVS2 Clarity, H Color Diamond Platinum Wedding SetCostco$14,999.9914 October 202519 October 2025
Costco Round Brilliant 1.30 ct VS1 Clarity, D Color Diamond Platinum Solitaire Ring offerRound Brilliant 1.30 ct VS1 Clarity, D Color Diamond Platinum Solitaire RingCostco$10,999.9914 October 202519 October 2025
Costco 14kt Yellow Gold Diamond Cut Hoop Earrings offer14kt Yellow Gold Diamond Cut Hoop EarringsCostco$199.9722 September 202528 September 2025
Costco 14kt Yellow Gold Diamond Cut Huggie Hoop Earring offer14kt Yellow Gold Diamond Cut Huggie Hoop EarringCostco$289.9926 July 202401 August 2024
Costco Anji Mountain Woven Diamond Pouf offerAnji Mountain Woven Diamond PoufCostco$69.9912 July 202418 July 2024
Costco Anji Mountain Woven Diamond Pouf offerAnji Mountain Woven Diamond PoufCostco$69.9927 June 202425 July 2024
Costco Colorado clothing men's diamond quilted jacket offerColorado clothing men's diamond quilted jacketCostco$21.9915 December 202320 December 2023
Costco Tanzanite and diamond 14kt white gold ring offerTanzanite and diamond 14kt white gold ringCostco$3,199.9924 November 202326 November 2023
Costco Ruby and diamond 14kt white gold earrings offerRuby and diamond 14kt white gold earringsCostco$1,999.9731 August 202308 September 2023
Costco Amethyst and diamond 14kt yellow gold earrings offerAmethyst and diamond 14kt yellow gold earringsCostco$399.9703 March 202310 March 2023
Costco Amethyst and diamond 14kt yellow gold earrings offerAmethyst and diamond 14kt yellow gold earringsCostco$399.9713 January 202320 January 2023
Costco Amethyst and diamond 14kt yellow gold earrings offerAmethyst and diamond 14kt yellow gold earringsCostco$399.9706 January 202313 January 2023
Costco 14kt two-tone gold diamond cut hoop earrings offer14kt two-tone gold diamond cut hoop earringsCostco$199.9928 October 202204 November 2022
Costco Gemstone & diamond 14kt white gold ring offerGemstone & diamond 14kt white gold ringCostco$549.9928 October 202204 November 2022
Costco Lab created emerald and diamond 14kt yellow gold earrings offerLab created emerald and diamond 14kt yellow gold earringsCostco$1,299.9926 August 202201 September 2022
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Costco Diamond deal

At Costco, you’ll find a wide selection and range of ⭐️Diamond deals⭐️. This week, Costco has 3 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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