Black and White Diamond Heart Ring, Sterling Silver, Ring Sizes 5-9 All diamonds are rare, natural minerals. The semi-faceted diamonds in this item are natural. SuperJeweler's diamonds in our inexpensive jewelry are beautiful and safe to wear. The diamonds in this jewelry item are not of gem quality, contain from 0 to 16 facets. Crafted In Solid Sterling Silver SuperJeweler offers free shipping in the United States, Canada, the United Kingdom, Australia and almost every country. All purchases from SuperJeweler come with The SuperJeweler Lifetime Guarantee. Your SuperJeweler jewelry purchase includes a lifetime guarantee against the loss of side stones or damage to the jewelry's setting or center stone. It also includes a one-year replacement guarantee against the loss of your jewelry's center stone. Natural black diamonds are rare. SuperJeweler sells only heat treated black diamonds, treated with the High Pressure Heat Treatment (HPHT) method. In HPHT treatment, poor quality diamonds are heated to approximately 1260 degrees, and the diamonds become black. HPHT treatment is completely safe, and produces gem quality black diamonds. Black diamonds from SuperJeweler have varying numbers of facets from 0 to 16. Black diamond are not considered gem quality diamonds.