An Art Deco Sapphire, Diamond and Platinum Brooch/Pendant Necklace, circa 1920

The chamfered elongated rectangular plaque centering a marquise-cut diamond weighing approximately 0.70 carat, amid calibré-cut sapphires, and round diamonds, together with a fancy linking chain accented by round diamonds, length 26 inches, the diamonds altogether weighing approximately 4.10 carats, detachable bail and with a brooch fitting, all in platinum
Condition: Weight: 24.6 grams
Brooch measuring 45 x 22 mm
Marks: brooch attachment numbered on the pin 25218
Sapphires of a medium tone of uniform intense blue colour, good clarity, very good matching, very good cut, specialty cut to fit in the setting
Marquise-cut diamond F colour, VS1 clarity
Remaining diamonds F-G colour, VS clarity
Very good condition
The necklace is a later addition

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