Please review the Conditions of Business by clicking the links underlined below:

Guide for Buyers (English)
Guide for Buyers (Traditional Chinese)
Guide for Buyers (Simplified Chinese)
Conditions of Business for Buyers (English)
Conditions of Business for Buyers (Traditional Chinese)
Conditions of Business for Buyers (Simplified Chinese)

Registration Disclaimer:

Payment must be received from a bank account or payment card held in the same name as the Sotheby’s bidder account. Please select the bid account that will be used to remit payment for any property you successfully bid on. Sotheby’s reserves the right to decline to rebill purchases to an alternative account after a sale is completed.

United States Clients:

If you are a reseller using a resale certificate to purchase property that is intended for resale, you must register the account associated with the name that appears in the purchaser field of the resale certificate.

Effective February 13, 2026, Sotheby's has updated its terms and conditions for all categories globally excluding Wine & Spirits. Please refer to the Conditions of Business located on the relevant sale page for the updated Buyer's Premium rates.

Spinel and Diamond Ring | 7.11克拉 天然「坦桑尼亞」未經加熱尖晶石 配 鑽石 戒指

Spinel and Diamond Ring | 7.11克拉天然「坦桑尼亞」未經加熱尖晶石配鑽石戒指