Details Nikolle Radi 18k yellow gold & platinum ring with round pink tourmaline, size 7 3/4. The bezel-set 2.35ct stone measures approximately 3/8" in diameter. The 18k yellow gold band measures 1/8" in width. - pink tourmaline, 2.35ct - 18k yellow gold - platinum - size 7 3/4 Sizing This ring can be resized. Please allow 2 - 4 weeks. Inquire about sizing fee.