SIZE 7 0.51 Carat (ctw) 10K Yellow Gold Round Cut Black Diamond Men's Fashion Wedding Band 1/2 CT Crafted in 10K Yellow-gold. Diamond Color / Clarity : Black / Opaque Diamond Weight : 0.51 ct tw. Weights approximately 2.31 grams. Gemstone : Diamond Dazzlingrock 90 Day Warranty - We stand behind our products. If you lose an accent stone or your setting is damaged during NORMAL wear, we will fix it for FREE. Please read our About us page for more info