Estate Fancy Cognac Diamond Halo Radiant-Cut Quartz Ring with Pavé White Diamond Shank in 18K White Gold, 6.86cttw This estate statement ring is centered around a massive 6.36ct radiant-cut quartz that glows with a deep, honeyed warmth. A moody halo of fancy cognac diamonds encircles the stone, creating a rich tonal contrast against the icy brilliance of the 18K white gold setting. Despite its impressive 6.86 total carat weight, the ring is thoughtfully balanced on a slender pavé white diamond shank to ensure it sits securely and comfortably on the finger. The radiant cut provides incredible depth and light-play, making this architectural piece a captivating conversation starter for any sophisticated evening look. Ring size 5.25.