Four Sapphire and Diamond Rings

oval blue sapphire and two round brilliant cut diamonds bezel set in 18ct yellow, stamped ‘750’, together with an oval blue sapphire and four round brilliant cut diamonds claw set in 18ct white gold, stamped ‘A&C’, ‘750’, together with a round brilliant cut diamond bezel set in 18ct yellow gold stamped ’18K’, ‘750’, together with three old mine cut diamond claws set in platinum with indistinguishable hallmark (4)

Measurements:

18ct 11.28 grams, platinum 3.49 grams, sizes J, M, J, K

• EStimate $1,000 - $1,500