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Graphic Grace – Vintage Art Deco Diamond and Onyx Bracelet, Circa 1920

An unmistakably Deco piece from the 1920s, this platinum bracelet brings together bold geometry and quiet craftsmanship. Its central trio of old-cut diamonds (approx. 2.90ct total) is framed by polished onyx and over a hundred rose-cut diamonds, arranged with confident symmetry. The fine engraving along both sides is a subtle nod to the masterful hands behind every detail, from the design sketch to the goldsmithing, setting, and finish. On the wrist, it feels sculptural yet refined: modern in line, timeless in spirit.

Jewellery type
Antique bracelet (also known as estate jewelry in some parts of the world).

Condition
Very good condition
more info on our condition scale

Country of origin
Unknown. Despite careful examination, no hallmarks or distinctive features could be identified that would allow us to attribute this jewel to a specific country. Its materials and construction, however, do allow us to confidently date it to around 1920.

Style
Art Deco – An eclectic and decorative style that emerged in Paris during the early 20th century. It gained international popularity in the 1920s and 1930s, known for its bold geometry, rich materials, and modern flair.
See also: Art Deco, more info on styles

Style specifics
Abstract motifs and geometric forms are typical for the Art Deco period. Influences from movements such as Cubism, Futurism, and Constructivism shaped its clean lines and dynamic compositions.

Period
Ca. 1920
Events & facts of this era, poetry of this era, fashion of this era.

Material
Platinum (touchstone tested), more info on precious metals

Precious stones
• 1 old brilliant cut diamond, estimated weight approx. 1.30 carat (colour and clarity: J/K, SI)
• 2 old brilliant cut diamonds, estimated total weight approx. 0.70 carat (colour and clarity: H/J, VS/I)
• 28 old brilliant cut diamonds, estimated total weight approx. 0.90 carat (colour and clarity: H/J, SI/I)
• 132 rose-cut diamonds (not included in weight calculation)
• 24 onyx inserts, precision-cut to fit the platinum design

Total number of diamonds (excluding the 132 rose cuts): 31
Estimated total weight (excluding the 132 rose cuts): approx. 2.90 carat (average colour and clarity: H/J, SI/I)

Weight, colour and clarity were assessed while the stones remained set, in order to maintain the jewel’s original condition. The values given should therefore be considered expert approximations.

Every diamond in our antique and vintage jewellery has been examined and confirmed as 100% natural by the IJGC laboratory.

Birthstones
Diamond is the birthstone (or month stone) for April and onyx for July . more info on birthstones

Engraving
Both sides of the bracelet are skilfully hand-engraved with a decorative motif typical of the period.

Hallmarks
No hallmarks present. The bracelet was carefully examined, but no visible or legible marks could be identified. In our practice, it is not uncommon to encounter jewellery without hallmarks. For this reason, all pieces are tested with the touchstone, even when hallmarks are present. more info on hallmarks

Dimensions
Length 17.00 cm (6.69 inch), widest part of the bracelet 1.65 cm (0.65 inch)
see picture with a ruler in millimeters and inches

Weight
19.40 gram (12.47 dwt)

Interested in this piece?
Contact us for high-resolution images or a video consultation.

Adin Reference Nº
24323-0290

Copyright photography
Adin Fine Vintage & Antique Jewellery

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Graphic Grace – Vintage Art Deco Diamond and Onyx Bracelet, Circa 1920
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