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Promotion 
£2.00
£1.79
Diamond offer Costco
There are 1 new Diamond offers available in the Costco leaflet from 19/11/2025.
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Offer history
Diamond is currently on offer at Costco, with the lowest price now £114.99. Based on offer history, we expect it to return in week 01.
Stores with Diamond in their assortment
Costco
TK Maxx
Toolstation
The Range
Aldi
Musgrave MarketPlace
Millets
Sainsbury's
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 |
|---|---|---|---|---|---|---|---|
 | Finch Grey Faux Leather Diamond Stitch Dining Chair, 2 Pack | Costco | £114.99 | 17 November 2025 | 23 November 2025 | ||
 | 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 |