Stores (24) 
Promotion 
$3.00
$2.69
Diamond on sale Costco
There are 1 new Diamond offers available at Costco starting from 14-06-2026.
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Stores with Diamond in their assortment
Walmart
Food Basics
No Frills
Princess Auto
TSC Stores
The Brick
Leon's
Rexall
Marché Adonis
Canadian Tire
Costco
Longo's
Maxi
Independent Grocer
IGA
Shoppers Drug Mart
Independent City Market
Home Depot
Valu-mart
Bonanza
Charm Diamond
Seasons Foodmart
Showcase
Home Hardware
Nearest Costco branch
This Diamond on sale Costco is available in the following branches based on your set location:
Toronto
Diamond price Costco🕒
| Offer | Name | Store | Regular price | Offer price | Promotion | Start date | End date |
|---|---|---|---|---|---|---|---|
 | Blue Diamond Smokehouse almonds | Costco | $21.86 | $17.49 | -20% | 22 June 2026 | 05 July 2026 |
 | Alpena Black Diamond Universal Fit Luxury Seat Cover, 2-pack | Costco | $99.99 | 11 May 2026 | 17 May 2026 | ||
 | Winmau Diamond Professional Dartboard and Surround Set | Costco | $169.99 | 16 March 2026 | 22 March 2026 | ||
 | Round brilliant diamond composite stud earings | Costco | $1,249.99 | $899.99 | -28% | 16 March 2026 | 12 April 2026 |
 | Alpena Black Diamond Universal Fit Luxury Seat Cover, 2-pack | Costco | $99.99 | 23 February 2026 | 01 March 2026 | ||
 | Blue Diamond Garlic, Herb and Olive Oil Almonds 560 g | Costco | $20.11 | $16.49 | -18% | 17 February 2026 | 22 February 2026 |
 | Blue Diamond Sriracha Flavoured Almonds, 12 × 43 g | Costco | $18.04 | $12.99 | -28% | 09 February 2026 | 15 February 2026 |
 | Winmau Diamond Professional Dartboard and Surround Set | Costco | $169.99 | 09 February 2026 | 15 February 2026 | ||
 | Blue Diamond sriracha, wasabi soy sauce, salt and vinegar or spicy dill pickle almonds | Costco | $14.99 | $9.99 | Save $5 | 02 February 2026 | 08 February 2026 |
 | Blue Diamond Wasabi & Soy Sauce Flavoured Almonds, 12 × 43 g | Costco | $18.04 | $12.99 | -28% | 02 February 2026 | 08 February 2026 |
 | Winmau Diamond Professional Dartboard and Surround Set | Costco | $169.99 | 20 January 2026 | 26 January 2026 | ||
 | Blue Diamond Roasted Salted Almonds, 18 × 23 g | Costco | $13.99 | 20 October 2025 | 26 October 2025 | ||
 | Alpena Black Diamond Universal Fit Luxury Seat Cover, 2-pack | Costco | $99.99 | 14 October 2025 | 19 October 2025 | ||
 | Blue Diamond Roasted Salted Almonds, 18 × 23 g | Costco | $13.99 | 23 June 2025 | 29 June 2025 | ||
 | Blue Diamond, Smokehouse Almonds, 1.1 kg | Costco | $16.99 | 03 February 2025 | 09 February 2025 | ||
 | Blue Diamond Sriracha Flavoured Almonds, 12 × 43 g | Costco | $15.99 | 03 June 2024 | 09 June 2024 | ||
 | 14 Kt Yellow Gold 0.15 CTW Diamond Knot earrings | Costco | $449.99 | 29 January 2024 | 25 February 2024 | ||
 | Round brilliant diamond bangle bracelet (1.32 ctw) | Costco | $2,799.99 | 01 December 2023 | 10 December 2023 | ||
 | Princess cut diamond solitaire pendant (0.50 ct) | Costco | $1,499.99 | 23 October 2023 | 30 October 2023 | ||
 | Princess cut diamond stud earrings (0.70 ctw) | Costco | $1,699.99 | 23 October 2023 | 30 October 2023 | ||
 | Princess cut diamond stud earrings (0.70 ctw) | Costco | $1,699.99 | 16 October 2023 | 23 October 2023 | ||
 | Diamond Cut Wheat Chain in Two-tone Gold | Costco | $349.99 | 09 May 2023 | 15 May 2023 | ||
 | Blue Diamond spicy dill pickle almonds | Costco | $4.50 | 01 May 2023 | 28 May 2023 | ||
 | Blue diamond wasabi & soy sauce flavoured almonds, 12 × 43 g | Costco | $14.99 | 03 April 2023 | 09 April 2023 | ||
 | 14kt white gold 0.15ctw diamond heart pendant | Costco | $499.99 | 30 January 2023 | 26 February 2023 | ||
 | Blue diamond blueberry flavoured oven roasted almonds, 12 × 43 g | Costco | $14.99 | 23 January 2023 | 29 January 2023 | ||
 | Round Brilliant Diamond Croissant Hoop Earrings (0.25 ctw) | Costco | $649.99 | 07 December 2022 | 13 December 2022 | ||
 | Blue diamond smokehouse almonds, 23 g (0.81 oz), 18-pack | Costco | $13.99 | 14 November 2022 | 20 November 2022 |