2 ct diamond pendant necklace si1 round solitaire 14k white gold sale 53783368 it comes with an original rothem collection certificate of authenticity. This High Quality Diamond Pendant Necklace is THE REAL THING! Rothem Diamonds & Rothem Collection, are known as a veteran diamond polishers & diamond jewelry manufacturers specializing in naturally mined certified loose diamonds and fine jewelry, mainly diamond engagement rings, diamond wedding & anniversary bands, diamond stud earrings, diamond bracelets, diamond pendants & necklaces, all in white gold, yellow gold or platinum.