Costco offers diamonds at a quality and price that is hard to beat. All of our diamond jewellery is in 18ct gold or platinum, and all of the Costco diamonds we sell are at least VS2 clarity and I colour. Please refer to the following link for more information on our diamond standards https://www.costco/jewellery-guide and for more information on gemstones https://www.costco.co.uk/colour-gemstones

We have a wide range of watches from Rotary, Citizen, Tag Heuer, Omega, Longines and Cartier.