Sales/Results·Sotheby's Hong Kong·9 July 2021·Live auction HK1104

The Key 10138

$12.2m in total, buyer’s premium included

Lot 1, Exceptional and magnificent unmounted diamond. © Sotheby’s 2021

1 of 1 lots sold

Top lots per carat 1 lot · the highest prices per carat of the sale

$120,772per carat Lot 1 Exceptional and magnificent unmounted diamond 101.38 ct ×0.8 high estimate Estimate USD 10.0m – 15.2m USD 12,243,875$120,772 per carat

Colourless diamonds 1 lot

$120,772per carat Lot 1 Exceptional and magnificent unmounted diamond 101.38 ct ×0.8 high estimate Estimate USD 10.0m – 15.2m USD 12,243,875$120,772 per carat

Prices are the prices paid, buyer’s premium included, as Sotheby’s publishes them; prices per carat and comparisons with the estimates use them too (Sotheby’s estimates do not include the premium). Prices in USD at the ECB rate of 9 July 2021. Photographs © Sotheby’s 2021.