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Antique Art Deco Platinum Black Onyx Diamond Heart Pendant



A striking antique Art Deco platinum diamond and calibre cut onyx heart pendant, circa 1920. Centering on a pear shape diamond surrounded by calibre cut onyx and pave old cut diamonds forming a heart. The pear shape diamond is estimated to weigh 1.80 carats and is approximately a J color and SI2 clarity. Overall it is a bright diamond, and creates an important look for this rare heart. The heart is set with a mix of old mine cut and single cut diamonds, 168 stones weighing about 4.5 carats approximately. The combination of onyx and diamond in Art Deco designs is a classic combination creating a striking and bold look. This heart is a wonderful example Art Deco workmanship. It measures 1.25 from left to right and top to bottom.


  • Metal
  • Stone
  • Stone Cut
  • Weight
    10.7 g
  • Dimensions
    Width: 1.25 in. (31.75 mm)Length: 1.25 in. (31.75 mm)
  • Style
  • Place of Origin
  • Period
  • Date of Manufacture
    Circa 1920
  • Condition
    Repaired: One onyx replaced. Wear consistent with age and use.
  • Seller Location
    New York, NY
  • Reference Number
    1stDibs: LU807311156452

Shipping & Returns

  • Shipping
    Free Standard Shipping
    to anywhere in the world, arrives in 8-10 days, excluding production time.
    We recommend this shipping type based on item size, type and fragility.
    Ships From: New York, NY
  • Return Policy

    A return for this item may be initiated within 7 days of delivery.

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About the Seller
4.9 / 5
Located in New York, NY

xIn business since 2016, Keyamour buys and sells antique jewels suited for the modern woman, specializing in the Georgian, Victorian and Art Deco periods, with a particular emphasis on the 19th century. Each piece is chosen with care for its charm, whimsy, collectibility and beauty. And all — from Victorian earrings and bangles to Geor...

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Established in 2016
1stDibs seller since 2017
55 sales on 1stDibs
Typical response time: <1 hour
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