Items Similar to Antique Art Deco 11.20Ct Black Onyx and 0.91Ct Diamond, Platinum Brooch
Video Loading
Want more images or videos?
Request additional images or videos from the seller
1 of 13
Antique Art Deco 11.20Ct Black Onyx and 0.91Ct Diamond, Platinum Brooch
$3,747.37
£2,750
€3,241.15
CA$5,157.45
A$5,748.51
CHF 3,016.05
MX$70,198.73
NOK 38,189.73
SEK 36,095.10
DKK 24,190.13
About the Item
A stunning, fine and impressive antique 11.20 carat black onyx and 0.91 carat diamond, platinum and 15k white gold Art Deco brooch; part of our collection of Art Deco brooches.
This stunning antique black onyx brooch has been crafted in platinum, with a 15k white gold fitting.
The rectangular shaped, pierced decorated Art Deco style design displays a feature 0.26ct Old European round cut diamond, pavé set to an octagonal frame to the centre of an impressive black onyx panel.
The outer geometric, pierced and millegrain decorated border of this impressive Art Deco brooch is embellished with a further twenty-eight eight-cut diamonds.
This stunning Art Deco onyx brooch with diamonds brooch secures to the reverse with a 15k white gold hinged pin and clasp.
This stunning 1920's brooch is supplied with an IDGL diamond and gemstone grading report card.
This antique brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum and 15k gold.
Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone.
Condition
This stunning antique brooch is excellent quality, set with impressive black onyx and high colour graded feature diamond displaying a fine white colour, brilliance and presence.
The supporting evenly colour matched diamonds display a fine white colour and brilliance.
The brooch is an excellent gauge of gold and platinum, and is in excellent condition.
Reflections in photographs may detract from the true representation of this impressive example of antique onyx jewellery.
Onyx Quality
Content 11.20 carats
Dimensions 34.51mm (length) x 13.65mm (width) x 3.37mm (depth)
Diamond Quality
Feature Diamond One
Colour H
Clarity VS2
Cut Old European
Content 0.26 carat
Dimensions 4.06mm (length) x 3.95mm (width) x 2.57mm (depth)
Supporting Diamonds
Colour (average grades) H
Clarity (average grades) VS2
Cut Eight
Content 0.65 carat
Total Diamond Content
0.91 carat
Number of Diamonds
29
Dimensions
Length of setting 4.8cm/1.89'
Width of setting 1.63cm/0.64'
Across pin 4.1cm/1.61'
Height of setting 4.08mm/0.16'
Weight
10.18 grams
Date: Circa 1920
SKU: C8781
- Metal:White Gold,Platinum
- Stone:Diamond,Onyx
- Stone Cut:Old European Cut
- Weight:10.18 g
- Dimensions:Height: 0.16 in (4.07 mm)Width: 0.64 in (16.26 mm)Length: 1.89 in (48.01 mm)
- Style:Art Deco
- Lab Report Available:IDGL 828-7854
- Place of Origin:Unknown
- Period:1920-1929
- Date of Manufacture:Circa 1920
- Condition:Please see description.
- Seller Location:Jesmond, GB
- Reference Number:Seller: C87811stDibs: LU128223732912
About the Seller
5.0
Gold Seller
Premium sellers maintaining a 4.3+ rating and 24-hour response times
Established in 1977
1stDibs seller since 2015
704 sales on 1stDibs
Typical response time: 10 hours
- ShippingRetrieving quote...Shipping from: Jesmond, United Kingdom
- Return Policy
Authenticity Guarantee
In the unlikely event there’s an issue with an item’s authenticity, contact us within 1 year for a full refund. DetailsMoney-Back Guarantee
If your item is not as described, is damaged in transit, or does not arrive, contact us within 7 days for a full refund. Details24-Hour Cancellation
You have a 24-hour grace period in which to reconsider your purchase, with no questions asked.Vetted Professional Sellers
Our world-class sellers must adhere to strict standards for service and quality, maintaining the integrity of our listings.Price-Match Guarantee
If you find that a seller listed the same item for a lower price elsewhere, we’ll match it.Trusted Global Delivery
Our best-in-class carrier network provides specialized shipping options worldwide, including custom delivery.More From This Seller
View All1930s Art Deco Diamond Black Onyx Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique Art Deco style black onyx brooch in 15 karat yellow gold, platinum set with 0.57 carat (total) diamonds; part of our an...
Category
Vintage 1930s Unknown Brooches
Materials
White Diamond, Onyx, Diamond, Gold, 15k Gold, Platinum, Yellow Gold
Antique 1.70Ct Black Onyx and 2.20Ct Diamond, Platinum Cartier Brooch Circa 1925
By Cartier
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 1.70 carat black onyx and 2.20 carat diamond Cartier brooch in platinum - boxed; part of our antique Cartier jewellery...
Category
Vintage 1920s Brooches
Materials
Diamond, Onyx, Platinum
Antique Black Onyx and 0.46 Carat Diamond 18 Karat Yellow Gold Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 0.80 carat black onyx and 0.46 carat diamond, 18 karat yellow gold and platinum set Art Deco dress ring; part of our diverse antique jewellery...
Category
Vintage 1930s Unknown Art Deco Cocktail Rings
Materials
Diamond, Onyx, Yellow Gold, Platinum
Vintage 5.22 Carat Black Onyx and 3.64 Carat Diamond White Gold Dress Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive, large vintage 5.22 carat black onyx and 3.64 carat diamond, 18 karat white gold dress ring; part of our diverse vintage jewellery and estate jewelry collections.
This stunning, fine and impressive vintage ring has been crafted in 18k white gold
The Art Deco style frame is ornamented with a feature collet set 0.42ct transitional modern brilliant round cut diamond, encircled by an impressive 5.22ct oval black onyx panel.
The onyx panel is framed by a border of twenty transitional modern brilliant round cut diamonds, totalling 3.22 carats.
The elevated ring shoulders blend seamlessly with the plain hallmarked ring shank via a subtle cuff design.
This vintage onyx and diamond ring...
Category
Vintage 1950s Art Deco Cluster Rings
Materials
Diamond, Onyx, White Gold
Antique 3.22 Carat Diamond and Platinum Art Deco Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 3.22 carat diamond and platinum bar brooch; part of our antique jewelry and estate jewelry collections.
This stunning, fine and impressive 1920s diamond brooch...
Category
Vintage 1920s Unknown Brooches
Materials
Diamond, Platinum
Antique 5.10 Carat Black Onyx and Diamond Cocktail Ring in 4 Karat White Gold
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive, antique 5.10 carat black onyx and 0.18 carat diamond, 14 karat white gold cocktail ring; part of our diverse onyx jewelry collections.
This stunning, fine and impressive antique onyx and diamond ring...
Category
Vintage 1920s Cocktail Rings
Materials
Diamond, Onyx, White Gold
You May Also Like
Art Deco Old Cut Diamond and Onyx Platinum Brooch, Circa 1920's
Located in London, GB
This original antique piece features a 5.8mm cabouchon onyx diagonally set from a fine quality old cut diamond weighing approximately 0.40ct both rubover set onto a Deco design bar b...
Category
Vintage 1920s English Art Deco Brooches
Materials
Diamond, Onyx, Platinum
Antique Platinum Art Deco Diamond and Onyx Brooch, c.1920's
Located in London, GB
This sublime Art Deco brooch is new to our collection. Beautifully set with a stunning selection of Rose Cut, Eight Cut and Old European Cut diamonds totalling an estimated five car...
Category
Early 20th Century European Art Deco Brooches
Materials
Diamond, Onyx, Platinum
Antique Art Deco 1930s 7.50 Carat Diamond & Onyx Brooch
Located in New York, NY
Finely crafted in platinum with Old Mine cut Diamonds weighing a total of approximately 7.50 carats and Onyx.
Circa 1930s
7/8 x 2 5/8 inches
Category
Vintage 1930s Art Deco Brooches
Materials
Diamond, Onyx, Platinum
Art Deco Platinum, Diamond & Onyx Brooch
Located in Great Neck Plaza, NY
A superb Art Deco platinum, diamond, and onyx brooch, notably worn by Yvonne Orji to the 2025 Met Gala after-party. This captivating piece showcases a central rose-cut diamond of 1.3...
Category
Vintage 1920s Art Deco Brooches
Materials
Diamond, Onyx, Platinum
Platinum Art Deco Onyx & 7.00ct Old Mine Cut Diamond Brooch Brooch
Located in Hicksville, NY
Year: 1920s
Item Details:
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 16.5 grams
Center Diamond Details:
GIA Report# : 52229844958
Weight: 1.74
Cut: Old Mine Brilliant
Colo...
Category
Vintage 1920s Art Deco Brooches
Materials
Diamond, Platinum
Art Deco 0.5 Carat Old European Cut Diamond with Black Onyx Brooch Pin
Located in Addison, TX
Here we have a excellent example of an Art Deco era brooch! This genuine 1920's brooch features a brilliant 0.5 Carat Old European cut diamond...
Category
Early 20th Century Art Deco Brooches
Materials
Diamond, Onyx, Platinum
More Ways To Browse
Platinum And Onyx
Antique Black Onyx Jewelry
Rectangular Brooches
Old European Cut Diamond And Onyx
Onyx Diamond Pin
Antique Onyx Brooch
Art Deco Onyx Brooch
Black Onyx And Diamond Brooch
1920s Diamond And Onyx Jewelry
Rectangular Diamond Brooch
Art Deco Onyx And Diamond Brooch
Black Onyx Pin
Platinum Diamond Onyx Brooch
Rectangular Art Deco Brooches
Two Bird Jewellery
Black Pearl Pin
Flower Basket Jewelry
Pave Leaves