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At the hammer

Sales/Results · Sotheby's New York · online auction N11922

The Gem Drop September

Online auction · 11 September 2025 · See the catalogue on Sotheby's

The catalogue

Estimates in USD. Prices realised not read yet: Sotheby’s shows them to logged-in visitors only.

Sapphires 2 lots

Sapphire ringUSD 30k–50kestimate Lot 10 Sapphire ring 5.46 ct · Madagascar · No heat Sapphire ringUSD 30k–50kestimate Lot 4 Sapphire ring 4.33 ct

Signed jewels 5 lots

Jogani

Star sapphire ringUSD 40k–60kestimate Lot 13 Star sapphire ring Diamond ringUSD 30k–50kestimate Lot 3 Diamond ring 4.57 ct · SI1 Sapphire ringUSD 30k–50kestimate Lot 4 Sapphire ring 4.33 ct Sapphire ringUSD 30k–50kestimate Lot 10 Sapphire ring 5.46 ct · Madagascar · No heat Diamond ringUSD 20k–30kestimate Lot 14 Diamond ring 3.01 ct · VS2

Other jewels 9 lots

Diamond necklaceUSD 450k–600kestimate Lot 2 Diamond necklace Diamond ringUSD 480k–600kestimate Lot 6 Diamond ring 9.40 ct · VS1 Diamond ringUSD 220k–280kestimate Lot 8 Diamond ring 8.01 ct · VVS2 Pair of diamond stud earringsUSD 150k–250kestimate Lot 9 Pair of diamond stud earrings Diamond ringUSD 150k–250kestimate Lot 11 Diamond ring Diamond braceletUSD 160k–220kestimate Lot 1 Diamond bracelet Diamond braceletUSD 70k–110kestimate Lot 5 Diamond bracelet Pair of diamond earringsUSD 50k–70kestimate Lot 7 Pair of diamond earrings Diamond band ringUSD 20k–30kestimate Lot 12 Diamond band ring

The sale

Online auction N11922
11 September 2025The Gem Drop September14 lots
The catalogue in numbers By maison, origin, treatment and type

Every lot of the sale, by maison, origin, treatment and type. 14 lots counted.

By maison lots
Unsigned 9
Jogani 5
By origin stones
Ceylon 1
Madagascar 1
By treatment lab reports
Unheated 3
By type lots
Ring 9
Bracelet 2
Earrings 2
Necklace 1

Counted by script (scripts/count-lots.mjs) from the lot titles and descriptions: maison as signed, origin and treatment as stated in the laboratory report. A lot with several reported stones counts once per origin.

Source: Sotheby’s catalogue, sale N11922, public lot data read by Precious Trade (scripts/sothebys-lots.mjs). Prices to be added (Sotheby's login): Sotheby’s shows results to logged-in visitors only.