Hero background

All auctions / Jewelry & Gems / Art Deco 1.65ct Diamond and Onyx Drop Pendant Necklace, c.1920s

4d 8hGBFarringdons Jewellery

Art Deco 1.65ct Diamond and Onyx Drop Pendant Necklace, c.1920s

Art Deco 1.65ct Diamond and Onyx Drop Pendant Necklace, c.1920s

This beautiful necklace dates back to the 1920s and features a 1.65 carat diamond. It is an old cut diamond, which would have been hand cut, and has been estimated as H in colour and SI1 in clarity. It has been expertly rub over set and haloed by deep black onyx gemstones. The onyx totals a weight of 0.30 carat, all the stones have been hand cut to perfectly fit this necklace. The detail of the piece continues with two curving pieces of platinum which are studded with 0.07 carat of rose cut diamonds, leading to the top of the pendant. The diamond at the top of the pendant is 0.10 carat. An additional 0.43 carat of diamonds stud the platinum detailing. The stunning pendant sits on a platinum chain and has a fitted box.

Estimate:$18,853.07

To the auction

View all items fromFarringdons JewelleryorJewelry & Gems

Estimate:

$18,853.07

To the auction

Similar items

Auction results for similar items

A jade diamond and silver pendant
Sold

A jade diamond and silver pendant

10/18/2026

Clars Auction Gallery
US

$325

Est: $600

Details
A gem-set and 14k gold heart pendant
Sold

A gem-set and 14k gold heart pendant

10/18/2026

Clars Auction Gallery
US

$350

Est: $500

Details
A diamond and 18k white gold pendant with 10k white gold earrings
Sold
A diamond and 18k white gold ring
Sold

A diamond and 18k white gold ring

10/18/2026

Clars Auction Gallery
US

$550

Est: $500

Details

Upcoming auctions

Best of Auktion
Best of Auktion auction house logo

OCT 31 | 4:00 PM

Best of Auktion

American, European and Ukrainian Fine Art
American, European and Ukrainian Fine Art auction house logo

OCT 23 | 8:00 AM

American, European and Ukrainian Fine Art

Jewellery and Watches
Jewellery and Watches auction house logo

OCT 27 | 4:00 PM

Jewellery and Watches

Bring your auction to collectors worldwide!

Get listed now
Art Deco 1.65ct Diamond and Onyx Drop Pendant Necklace, c.1920s