GEMCOOK GRMSTONE 0.87ct oval cobalt spinel

This 0.87-carat oval cobalt spinel, certified by GRS, showcases an intense, true cobalt blue hue. Surpassing the 0.5-carat mark, it's a notable size for this rare gem. Despite its petite form, its per-carat price rivals that of pigeon blood rubies. Exuding an air of exclusivity and luxury, this spinel is a hidden gem for collectors seeking both rarity and elegance.