These lovely diamond cluster stud earring feature 0.33 ct black & white diamonds in prong setting. All diamonds are sparkling and 100% natural. All our products with FREE gift box and 100% Satisfaction guarantee. The black & white diamonds may have one or two small chips and or white spots. The black & white diamonds in this item are semi-faceted and natural. These black & white diamonds qualify as rose-cut or diamond accents. The black & white diamonds in this jewelry item are of not of gem quality, and contain varying number of facets from 0 to 16. Natural black & white diamonds are rare. Dazzlingrock sells only heat treated black & white diamonds, treated with the High Pressure Heat Treatment (HPHT) method. In HPHT treatment, diamonds are heated to approximately 1260 degrees, and the diamonds become black. HPHT treatment is completely safe and permanent.