Art Deco Necklace With Platinum, Onyx And Old-cut Diamond Pendant – Circa 1920.

Art Deco platinum and diamond necklace, circa 1920, composed of a Figaro-link chain suspending a geometric pendant emblematic of the period.

The pendant is centered with a lozenge-shaped onyx motif, enhanced by finely engraved platinum palmettes set with old-cut diamonds.

The design is animated by five old-cut diamonds, including:

• one central cushion-cut diamond of approximately 0.70 carat,
• four diamonds of approximately 0.20 to 0.25 carat each.

Estimated clarity SI to S2.

A highly elegant jewel, representative of Art Deco aesthetics, combining contrasting materials, balanced geometry, and refined craftsmanship.

Period: circa 1920

Specifications:

• Total weight: 11.30 g
• Chain length: 35.5 cm
• Pendant dimensions: 40 × 33 mm