Men's White Gold Diamond Antique Cushion Cut Smoky Quartz Ring This diamond and smoky quartz men's ring is crafted of cool, gleaming 10K solid white gold for a truly distinctive look. A genuine 10 X 8mm antique cushion cut smoky quartz gemstone is accented by two white round diamonds. This ring weighs a generous 5 grams. This men's antique cushion cut smoky quartz & diamond ring qualifies for free custom ring sizing. Size 10 1/2 is standard. When you order a custom size, please allow an additional 7-10 business days processing time.