PARAÍBA TOURMALINE, COLOURED SAPPHIRE AND RUBY RING, MICHELE DELLA VALLE
Oval-shaped tourmaline of 57.83 carats, circular-cut pink sapphires and rubies, gold, ring size 6 ¼, signed Michele della Valle, no. 1213, black Michele della Valle pouch
SSEF, 2021, report no. 115924: 57.835 carats, Paraiba tourmaline
PARAÍBA TOURMALINE, COLOURED SAPPHIRE AND RUBY RING, MICHELE DELLA VALLE
Oval-shaped tourmaline of 57.83 carats, circular-cut pink sapphires and rubies, gold, ring size 6 ¼, signed Michele della Valle, no. 1213, black Michele della Valle pouch
SSEF, 2021, report no. 115924: 57.835 carats, Paraiba tourmaline
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