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14.23克拉「緬甸」天然藍寶石配鑽石戒指，藍寶石未經加熱處理

估價
HK$1,800,000–2,800,000
€192,000–299,000
$230,000–360,000
One oval-shaped sapphire, 14.23 caratsTwo pear- and 12 round brilliant-cut diamondsPlatinum附瑞士Gübelin及SSEF證書
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