£2.00
£1.79
Diamond offer Costco
Alternative offers
Delverde Fusilli, 3kg
£5.29
Menissez Petits Pains, 4 x 4 Pack (4 x 300g)
£2.49
Ribena Blackcurrant PMP, 12 x 500ml
£7.69
John West No Drain Tuna Steak in Sunflower Oil, 5 x 110g
£5.99
Harry Bromptons Lemon & Lime Iced Tea, 12 x 500ml
£7.99
Starbucks Caramel Frappuccino, 8 x 250ml
£7.89
Offer history
The last known Diamond offer at Costco ended on 12 Oct 2025. Based on offer history, we expect the next one in week 47.
Stores with Diamond in their assortment
TK Maxx
Toolstation
The Range
Aldi
Musgrave MarketPlace
Millets
Sainsbury's
Costco
Footasylum
JD Sports
Booker Wholesale
Pandora
Morrisons
Alpinetrek
Ultimate Outdoors
F. Hinds
FRMODA
Machine Mart
Boots
Lidl
Sports Direct
Asda
Lakeland
Look Fantastic
Nearest branch
This Diamond offer Costco is available in the following branches based on your set location:
London
Diamond price Costco🕒
| Offer | Name | Store | Regular price | Offer price | Promotion | Start date | End date |
|---|---|---|---|---|---|---|---|
 | 0.60ctw Round Brilliant Cut Diamond Circle Pendant, 18ct White Gold | Costco | £999.99 | 06 October 2025 | 12 October 2025 | ||
 | Insignia diamond 1000m quadrant steam shower | Costco | 23 January 2023 | 12 February 2023 | |||
 | Insignia Diamond 1050 x 850mm Rectangular Steam Shower in 2 Colours | Costco | £1,049.99 | 29 November 2021 | 05 December 2021 | ||
 | Green Tourmaline and 0.48ctw Diamond Necklace, 18ct White Gold | Costco | £4,999.89 | 29 November 2021 | 05 December 2021 |