Authentic Tiffany & Co. 18K White Gold Diamond Ring Elegant vintage Tiffany & Co. ring crafted in 18K white gold (750), featuring three round brilliant diamonds. Purchased at the official Tiffany & Co. boutique in Dubai around 2000. This timeless design is no longer in production and represents the classic craftsmanship Tiffany is renowned for. The ring is in very good pre-owned condition with light signs of wear consistent with age. Hallmarked Tiffany & Co. 750 with serial number inside the band. A beautiful everyday luxury piece and an increasingly rare Tiffany design.