Van Cleef and Arpels Ceylon Blue Sapphire and Diamond Pendant Necklace

From the house of famed French Jeweler "Van Cleef and Arpels": A legendary Ceylon (Sri Lanka) origin Blue Sapphire and round-brilliant dut diamond halo pendant set in platinum. The piece is accompanied by 2 certificates of authenticity from GIA and AGL laboratories. 

Details:
✔ Stones: Sapphire, Diamond
✔ Sapphire Carat: 14.85ct
✔ Sapphire Cut: Oval
✔ Sapphire Color: Blue
✔ Sapphire Origin: Ceylon (Sri Lanka)
✔ Sapphire Treatment: Heated
✔ Diamonds: ~4ct Round-Brilliant Cut
✔ Diamond Cut: Round-Brilliant
✔ Diamond Carat: ~4.00 Carats
✔ Designer: Van Cleef and Arpels
✔ Era: Mid-20th Century (1960-1970)
✔ Metal: Platinum