Stunning Triple Purple Amethyst and 2 Diamond Solid 10K Yellow Gold Ring Sz 7.25Gorgeous and elegant amethyst and diamond ring! Three gorgeous amethysts and two diamond accents. Let's start with the stunning amethysts. The center stone is an emerald cut, lavender amethyst measuring 9mm x 7mm. The two trillion cut stones flanking the center stone are a deeper, royal purple and measure 5mm x 4. 8mm. The two round cut white diamonds are each 1. 5mm in diameter. The solid yellow gold band is marked with 10K and the maker's mark CRP.