High Jewelry

Graff

Diamond Ring | 格拉夫 | 10.45克拉圓形 D色 Type IIa 鑽石戒指

Auction Closed

April 23, 09:49 AM GMT

Estimate

3,500,000 - 7,000,000 HKD

Lot Details

Description

Set with a brilliant-cut diamond weighing 10.45 carats, flanked by two tapered baguette diamonds, mounted in platinum, size 7¾, signed Graff, numbered, case stamped Graff.

Accompanied by GIA report no. 5211557343, dated 10 April 2026, stating that the 10.45 Carat is D colour, VVS1 Clarity, Excellent Cut, Polish and Symmetry. Further accompanied by a diamond type classification letter stating that the diamond is determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency. Together with the original working diagram stating that the diamond may be potentially Internally Flawless.

Also accompanied by a certificate of authenticity from Graff.

Please note that the Chinese guarantee line has been updated. Please refer to the online catalogue for further details.

Padparadscha Sapphire, Pink Sapphire and Diamond Ring | 6.15克拉天然「斯里蘭卡」未經加熱橙粉紅色剛玉, 粉紅色剛玉配鑽石戒指

Estimate: 800,000 - 1,500,000 HKD

Fancy Brownish Purplish Pink Diamond, Fancy Light Gray Diamond and Diamond 'Toi et Moi' Ring | 3.03克拉彩棕紫粉紅色鑽石配 2.27克拉淡彩灰色鑽石及鑽石戒指

Estimate: 1,600,000 - 2,800,000 HKD

Ruby and Diamond Ring | 5.03克拉天然「緬甸」未經加熱紅寶石配鑽石戒指

Estimate: 2,800,000 - 5,000,000 HKD

Pair of Ruby and Diamond Pendent Earrings | 5.20 及 5.08克拉天然「緬甸鴿血紅」未經加熱紅寶石配鑽石耳墜一對

Estimate: 11,500,000 - 20,000,000 HKD

Ruby and Diamond Ring | 5.06克拉天然「緬甸鴿血紅」未經加熱紅寶石配鑽石戒指

Estimate: 8,800,000 - 16,000,000 HKD

Sapphire and Diamond Ring | 17.60克拉天然「緬甸」未經加熱藍寶石配鑽石戒指

Estimate: 2,700,000 - 4,500,000 HKD

Pair of Unmounted Diamonds | 5.48 及 5.29 克拉梨形 D色完美無瑕 Type IIa 鑽石一對

Estimate: 3,800,000 - 4,800,000 HKD

Padparadscha Sapphire and Diamond Necklace | 天然未經加熱橙粉紅色剛玉配鑽石項鏈 (橙粉紅色剛玉共重約 50.61克拉)

Estimate: 2,900,000 - 5,500,000 HKD

Cartier

Unique Coloured Diamond and Diamond Wristwatch | 卡地亞 | 獨一無二彩色鑽石配鑽石腕錶

Estimate: 2,200,000 - 4,500,000 HKD

Pair of Paraíba Tourmaline and Diamond Pendent Earrings |「巴西」帕拉伊巴碧璽配鑽石耳墜一對 (帕拉伊巴碧璽共重8.36克拉)

Estimate: 2,200,000 - 3,800,000 HKD

Graff

Padparadscha Sapphire, Pink Sapphire and Diamond Ring | 6.15克拉 天然「斯里蘭卡」未經加熱橙粉紅色剛玉, 粉紅色剛玉 配 鑽石 戒指

Fancy Brownish Purplish Pink Diamond, Fancy Light Gray Diamond and Diamond 'Toi et Moi' Ring | 3.03克拉 彩棕紫粉紅色鑽石 配 2.27克拉 淡彩灰色鑽石 及 鑽石 戒指

Ruby and Diamond Ring | 5.03克拉 天然「緬甸」未經加熱紅寶石 配 鑽石戒指

Pair of Ruby and Diamond Pendent Earrings | 5.20 及 5.08克拉 天然「緬甸鴿血紅 」未經加熱紅寶石 配 鑽石 耳墜一對

Ruby and Diamond Ring | 5.06克拉 天然 「緬甸鴿血紅」未經加熱紅寶石 配 鑽石 戒指

Sapphire and Diamond Ring | 17.60克拉 天然「緬甸」未經加熱藍寶石 配 鑽石 戒指

Pair of Unmounted Diamonds | 5.48 及 5.29 克拉 梨形 D色 完美無瑕 Type IIa 鑽石 一對

Padparadscha Sapphire and Diamond Necklace | 天然 未經加熱橙粉紅色剛玉 配 鑽石 項鏈 (橙粉紅色剛玉共重約 50.61克拉)