Bidspirit auction | 18 Karat Yellow Gold 3.37ct
18 Karat Yellow Gold 3.37ct Bi-Color Tourmaline and 0.55ctw Natural Diamond Ring - This is an 18 karat yellow gold statement ring featuring a rectangular emerald-cut bi-color tourmaline weighing 3.37ct. The center gemstone displays distinct natural color zoning, transitioning from a light yellowish-green to a deep forest green, and is secured in a setting with four sets of double prongs. The shoulders of the ring are designed with a triple-banded architectural shank, with each row channel-set with round brilliant-cut natural diamonds totaling 0.55ctw. The three parallel bands taper and merge into a single solid polished band at the back. The interior of the shank is stamped with the metal fineness and gemstone weight marks 18KYG D0.55 and 3.37. Ring size: Japanese 15 (approximately US size 7.5).