Oval Diamond Ring Exquisite 2.5 Carat Oval Lab Diamond Ring in Two-Tone 18k Gold. This stunning one-of-a-kind oval lab diamond ring features a premium 2.5 carat D VS1 diamond with an elegant old mine cut. Set in luxurious two-tone yellow and white gold, it combines classic sophistication with modern craftsmanship. Currently sized UK K and ready to ship, this ring can be resized to fit your perfect size. An investment piece that captures timeless elegance and exceptional quality.