Hidalgo Black Enamel Ring 18k White Gold Size 6.5 Stackable Band. Material: Black Enamel Metal: 18k White Gold Weight: 4 Grams Stamps: 750 Hidalgo H Hallmark Rise Above Finger: 2 mm Band / Shank Width: 3.2 mm This ring is a size 6 1/2. With over 20 years in the fine jewelry, e-commerce industry, we have the expertise and experience to curate a collection of fine jewelry, watches and bullion - both new and pre-owned - that will fit both your personal style and budget. We love the treasure hunt of discovering beautiful, unique pieces, along with the master craft of transforming these designs into modern day heirlooms.We pair the newest technology with seasoned experts so that you can both build and sell your estate with confidence. Sign up today to receive special insider notifications of deals, promotions, and new items!