JEAN SCHLUMBERGER SAPPHIRE AND DIAMOND RING
Cushion-shaped sapphire of 13.33 carats, round sapphires and diamonds, 18k white gold (French mark), 1950s, signed Schlumberger
SSEF, 2025, report no. 148490: 13.331 carats, Ceylon (Sri Lanka), no indications of heating
Size/Dimensions: EU ring size 51 / US ring size 5 ¾
Gross weight: 17.4 grams
JEAN SCHLUMBERGER SAPPHIRE AND DIAMOND RING
Cushion-shaped sapphire of 13.33 carats, round sapphires and diamonds, 18k white gold (French mark), 1950s, signed Schlumberger
SSEF, 2025, report no. 148490: 13.331 carats, Ceylon (Sri Lanka), no indications of heating
Size/Dimensions: EU ring size 51 / US ring size 5 ¾
Gross weight: 17.4 grams
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