This exquisite 4.22ct black star sapphire loose gemstone is a stunning addition to any collection. With a good cut grade and VS clarity grade, this natural gemstone has a cabochon shape and measures 8.8X7X2.6 in length. Its country of origin is Africa and it was cut in Thailand. If you need certification, please do not hesitate to ask. This gemstone is perfect for jewelry-making or for collectors who appreciate natural, high-quality gemstones. Get this wonderful sharp line 100% natural black star sapphire loose gemstone today!