89
René Boivin
6.39克拉「喀什米爾」天然藍寶石、鑽石配鉑金胸針，René Boivin，1939年，藍寶石未經加熱處理
估價
$180,000–260,000
成交價
$163,800
1939
Cushion-shaped mixed-cut sapphire, stated 6.39 cts.
Baguette-cut sapphires, total approximately 1.90 cts.
Old mine-cut, single-cut, rose-cut diamonds, total approximately 4.10 cts.
Partial French maker's mark and assay mark
Platinum, length 1 7/8 inches, accompanied by a copy of the original invoice from René Boivin dated 8 July 1939
附瑞士SSEF證書及Gübelin證書
SSEF Report: Kashmir, no indications of heating, approximated 6.10 cts.
Gübelin Report: Kashmir, no indications of heating (NTE)
Please note that the reports are more than 5 years old and may require an update.
Baguette-cut sapphires, total approximately 1.90 cts.
Old mine-cut, single-cut, rose-cut diamonds, total approximately 4.10 cts.
Partial French maker's mark and assay mark
Platinum, length 1 7/8 inches, accompanied by a copy of the original invoice from René Boivin dated 8 July 1939
附瑞士SSEF證書及Gübelin證書
SSEF Report: Kashmir, no indications of heating, approximated 6.10 cts.
Gübelin Report: Kashmir, no indications of heating (NTE)
Please note that the reports are more than 5 years old and may require an update.