Original, antique diamond ring C1930. Platinum, lapis lazuli and diamonds – an unusual and original combination makes this exciting antique diamond ring stand out. I absolutely love it, and so will it's new owner!!. So exciting!! Metal – Platinum Centre diamond – aproxiamtely 0.50pts Flanked by 2 aproximately 0.20pts Almost two carats of fine white diamonds Current size 'O' but can be resized at a small extra cost.