C. 1970. Impressive and substantial, this cabochon faux Linde Star sapphire and .10 ct. t.w. diamond ring from our Estate collection makes a celestially-inspired presentation! The oval faux sapphire rests in a wide band setting which is dotted with diamond rounds, like stars. 14kt white gold ring. Exclusive, one-of-a-kind Estate Jewelry. Sapphire birthstones are the perfect gift for September birthdays.