Details
Two signed Cartier - one set with a cabochon emerald on a diamond-set base, one set with a cabochon sapphire on a diamond-set openwork cone-shaped base. Third pin unsigned and set with a cabochon moonstone in an old-cut diamond surround

Emerald pin
Metal: platinum and gold
Diamonds: 17 circular-cut diamonds for approximate total weight of 0.15 carat
Emerald: 1 cabochon emerald for approximate weight of 2.30 carats
Dimensions: 6.7 cm
Signature: Cartier
Marks: numbered, French mark, maker's mark
Sapphire pin
Metal: platinum
Diamonds: 32 old-cut diamonds for approximate total weight of 0.20 carat
Sapphire: 1 cabochon sapphire of approximate weight of 1.20 carats
Dimensions: 7.7 cm
Signature: Cartier
Marks: 950
Moonstone pin
Diamonds: 18 old-cut diamonds for approximate total weight of 0.10 carat
Moonstone: 1 cabochon moonstone for approximate weight of 1.50 carats
Dimensions: 6.8 cm
Gross Weight for the group of three pins: 8 grams
Circa early 20th Century
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