Oscar Heyman Multi-color Sapphire Necklace
Item #: N-21914
Artist: Oscar Heyman
Country: United States
Circa: 1949
Dimensions: 17.50" length.
Materials: 37 emerald-cut sapphires (approximate total weight 86.50 carats); 74 round sapphires (approximate total weight 6.55 carats); Platinum
Gram Weight: 72.5 g.
Signed: 41988 Plat
Documentation: The necklace is accompanied by a a certificate of authenticity from Oscar Heyman dated March 26, 2025 confirming that the necklace, serial No. 41988, was manufactured by them and contains 86.50 carats of multi-color emerald-cut sapphires and 6.55 carats of round blue sapphires. Further accompanied by AGL report no. 1148445 dated June 11 2025 stating that one purplish pink sapphire is of Sri Lanka/Ceylon origin, and shows no evidence of heat enhancement; AGL report no. 1148446 dated June 11 2025 stating that one yellow sapphire is of Australian origin, and shows evidence of heat enhancement; and AGL report no. 1148447 dated June 11 2025 stating that one green sapphire is of Australian origin, and shows evidence of heat enhancement.
Literature: For a necklace of multi-color sapphires in a similar design, see Oscar Heyman:The Jewelers' Jeweler, p. 73.
Item #: N-21914
Artist: Oscar Heyman
Country: United States
Circa: 1949
Dimensions: 17.50" length.
Materials: 37 emerald-cut sapphires (approximate total weight 86.50 carats); 74 round sapphires (approximate total weight 6.55 carats); Platinum
Gram Weight: 72.5 g.
Signed: 41988 Plat
Documentation: The necklace is accompanied by a a certificate of authenticity from Oscar Heyman dated March 26, 2025 confirming that the necklace, serial No. 41988, was manufactured by them and contains 86.50 carats of multi-color emerald-cut sapphires and 6.55 carats of round blue sapphires. Further accompanied by AGL report no. 1148445 dated June 11 2025 stating that one purplish pink sapphire is of Sri Lanka/Ceylon origin, and shows no evidence of heat enhancement; AGL report no. 1148446 dated June 11 2025 stating that one yellow sapphire is of Australian origin, and shows evidence of heat enhancement; and AGL report no. 1148447 dated June 11 2025 stating that one green sapphire is of Australian origin, and shows evidence of heat enhancement.
Literature: For a necklace of multi-color sapphires in a similar design, see Oscar Heyman:The Jewelers' Jeweler, p. 73.