Add a refined touch to your jewelry collection with the Jewels by Grace 18KYG 0.93 ct. Old Mine Cut Diamond Collet Solitaire. Featuring a slender gold band and exquisite solitaire diamond, this vintage ring is a study in understated elegance. Crafted in 18K yellow gold and adorned with a 0.93 ct. old mine-cut diamond. Part of the Jewels by Grace Collection, featuring extraordinary pieces sourced from around the globe.