18ct White Gold Engagement Ring - Size 52A captivating 18k white gold diamond engagement ring. The halo ring is set to the centre with an emerald cut diamond weighing 0. 74ct, colour D and VS2 clarity complemented by a halo of round brilliant cut diamonds totalling 0. 13ct, well matched in colour and clarity. The 2mm ring is currently a size M but can be adjusted for a perfect fit and has a gross weight of 3. 10 grams. Comes complete with a GIA diamond report dated August 2001.