Platinum color-change sapphire, sapphire and diamond brooch

Platinum color-change sapphire, sapphire and diamond brooch

Article

1117511

Location

New York, United States

Closing at

October 30, 2024

Category

Brooch

Year of Production

circa 1910

Dimensions

Length: 1 5/8", Width: 7/8"

Material

Platinum

Gross Weight

14.31 g

Stone Weight

Sapphire 9.80 ct, Diamonds 2.05 ct

Gemstone

Sapphire, Diamond

Style

Belle Époque

Description

A Belle Époque brooch crafted in platinum, featuring an oval color-change violet-blue sapphire weighing approximately 9.80 carats. The color-change sapphire shifts from vivid violet-blue to pinkish purple, with a strong degree of color-change (70-80%) and very good quality. The sapphire has good color concentration, is slightly included, with some banding across the table, and includes several small crystal inclusions and a larger inclusion to the side. The brooch also includes 2 triangle-shaped deep blue sapphires, which are slightly included and lively, along with 70 old European and single-cut diamonds totaling approximately 2.05 carats as well as rose-cut diamonds. The piece is from circa 1910, measuring 1 5/8" in length and 7/8" in width. Accompanied by an AGL report number 1142919, confirming the Ceylon (Sri Lanka) origin of the sapphire, with no evidence of heat enhancement.

Provenance

No provenance provided
Estimates: $20,000 – $30,000

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