Stores (16) 
Promotion 
$3.00
$2.69
Diamond on sale Costco
There are 4 new Diamond offers available at Costco starting from 03-02-2026.
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Stores with Diamond in their assortment
Costco
Metro
Food Basics
Walmart
Sobeys
TSC Stores
Leon's
No Frills
Marché Adonis
Rexall
FreshCo
Maxi
Marché Richelieu
Petvalu
Charm Diamond
Seasons Foodmart
Showcase
Home Hardware
JYSK
Canadian Tire
Bed Bath & Beyond
Giant Tiger
T&T Supermarket
Sushi Shop
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 Wasabi & Soy Sauce Flavoured Almonds, 12 × 43 g | Costco | $18.04 | $12.99 | $5.05 Discount | 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 | ||
 | 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 |