Yellow Sapphire Jewelry Yellow Sapphire Oval in 18K White Gold with Diamonds January 30, 2012 admin Leave a comment This deep yellow sapphire oval is beautifully bezel set in 18k white gold fancy mounting with pave diamonds. Yellow Sapphire Oval Stone = 3.65cts Diamonds = 0.60cts This stone is certified by AGTA Style #M1589 Design by Leon Mason