A 2.93 carat round Canela amethyst with 0.12 carats of round lab-grown white diamond in 18K yellow gold over sterling silver ring measuring approximately 0.48 inches long by 0.71 inches wide - the Canela amethyst ring with genuine lab-grown diamond accents in warm gold. Canela amethyst from Brazil's Canela region carries exceptional deep purple saturation. Lab-grown diamonds are real diamonds - chemically, optically, and physically identical to mined diamonds. The diamond accents add genuine fine jewelry sparkle. Not sizeable.