1920's Art Deco Sapphire Diamond Platinum Band Ring Signet Ring With maker's mark and stamped

With maker's mark and stamped 14KT for 14 karat gold

75 and Sizable / Total 4

Centers a flush set marquise cut tanzanite weighing approximately 0

Stamped PT 950 for platinum with Mikimoto makers mark

1920's Art Deco Sapphire Diamond Platinum Band Ring Signet Ring With maker's mark and stampedBand ring centers a rectangular cut sapphire weighing approximately 2. 30 carats richly dark blue Channel set and flanked by wide shoulders accented by calibre cut sapphires weighing approximately 0. 42 carat With round brilliant and single cut diamonds weighing in total approximately 0. 45 carat I J color with SI clarity Completed by engraved gallery details and an orange blossom motif at shoulder Tested as platinum Circa: 1920s Ring Size: 5 1 2 &