Concave cut is one of fancy cuts for synthetic gems, it's very brilliant and shine. Make those concave lab ruby and blue spinel for necklaces, earrings, pendants or any jewelry project. We can cut many sizes for concave shape gemstones with other synthetic gems include cubic zirconia, crystal and glass. We carry a variety of colors like white, pink, purple, olive, blue, aquamarine, black, garnet red, orange, champagne and more. If you want to buy high quality concave cut synthetic gems at factory wholesale price, please contact us to get free quotation today.

                     concave cut blue spinel                                                 concave cut lab created ruby

Size(mm): 5x7   6x8   7x9   8x10

MOQ: 200pcs

Contact us to get free quote of concave cut lab created ruby & blue spinel today.