A 1.77 carat oval green lab-created emerald with 0.46 carats of round white zircon in 18K yellow gold over sterling silver ring measuring approximately 0.64 inches long by 0.79 inches wide - the lab emerald ring in warm gold for those who want the vivid chromium-green of emerald with accessible pricing. Lab-created emerald is genuine beryl - the same chemical composition as natural emerald - with the same chromium-driven vivid green. At 1.77 carats oval in warm gold with white zircon accents. Not sizeable.