Art Deco Diamond Double Clip-brooch Old, Single, Baguette-cut and Round Diamonds, Platinum and 18K Gold (french Marks)
At a glance
Shape
Baguette, Round Brilliant
Carat
On Request
Colour
On Request
Clarity
On Request
Metal
18K Platinum
Dated specifically to the 1930s and bearing French marks, this double clip-brooch pairs old, single, baguette-cut and round diamonds in platinum and 18k gold, its detachable construction allowing the piece to be worn as one unified brooch or separated into two individual clips. French hallmarking of the period is particularly valued by collectors, since French workshops of the 1930s were operating at the height of Art Deco design confidence, and confirmed French marks provide a level of dating and origin certainty that unmarked pieces cannot offer.
Diamond carat weight and precise clarity grading are available on request. The mix of old, single, baguette-cut and round diamonds reflects the compositional sophistication typical of the finest 1930s workshops, each cut contributing differently to the overall geometric structure — the older cuts offering a softer, more candlelit sparkle, the baguettes providing crisp linear accents, and the round stones filling and finishing the design. Platinum and 18k gold together speaks to considered material use, platinum securing the more delicate settings while gold contributes warmth and structural body to the broader form.
As a wearable piece, the detachable double-clip construction offers genuine flexibility for a collector who values getting maximum use from a single acquisition — worn together as a substantial single statement, or separated into two smaller clips for a more understated, symmetrical styling option. This mechanical sophistication, combined with confirmed French marks and 1930s dating, places the piece firmly among the more collectible examples of its type available in the current market.
Our workshop has inspected the separating mechanism thoroughly given the added complexity French 1930s construction of this kind can involve, confirming it continues to function as originally engineered. We recommend periodic professional inspection to preserve this mechanical integrity for continued wear in both configurations going forward. French hallmarks of this period carry particular weight among serious collectors, since they anchor a piece to a specific workshop tradition and quality standard that unmarked or later reproduction pieces simply cannot claim, adding a further layer of confidence to any acquisition decision.
Independent gemmological and hallmark authentication documentation is available on request, and our specialists are glad to discuss the French marks and 1930s attribution in detail with any serious enquiry, including how the marks were verified against known period registries. This brooch is entered into the Legacy register as a documented 1930s French design, its dating anchored by hallmark rather than estimation alone. Contact our client team to request documentation or arrange a viewing of this documented 1930s piece.
Specifications
- Metal: 18K Platinum
- Form: Clip-Brooch
- Cut / Shape: Baguette, Round Brilliant
- Carat Weight
- On Request
- Shape
- Baguette, Round Brilliant
- Color
- On Request
- Clarity
- On Request
- Metal
- 18K Platinum
- Certification
- GIA / IGI / HRD on request
- Treatment
- None · Natural
- Reference Number
- LD-BR-0040
Brink's Global insured worldwide delivery — every Legacy acquisition ships door-to-door through Brink's secure network, fully insured, in discreet neutral packaging.
White-glove delivery — for qualifying pieces, our concierge arranges in-person delivery to your residence or private office.
3-day exclusive hold — your reservation holds the piece privately for 3 days, fully refundable.
Independently certified — to your choice of GIA, IGI or HRD on request; documents shared privately with verified acquirers.
Authentication guarantee — if any piece does not match its stated specifications, full money-back refund.
Care — a soak in warm water with mild soap restores light return; have the prongs inspected annually.
In full — nothing hidden
Most listings hide the writing. We don't — this is the work, in full.
Dated specifically to the 1930s and bearing French marks, this double clip-brooch pairs old, single, baguette-cut and round diamonds in platinum and 18k gold, its detachable construction allowing the piece to be worn as one unified brooch or separated into two individual clips. French hallmarking of the period is particularly valued by collectors, since French workshops of the 1930s were operating at the height of Art Deco design confidence, and confirmed French marks provide a level of dating and origin certainty that unmarked pieces cannot offer.
Diamond carat weight and precise clarity grading are available on request. The mix of old, single, baguette-cut and round diamonds reflects the compositional sophistication typical of the finest 1930s workshops, each cut contributing differently to the overall geometric structure — the older cuts offering a softer, more candlelit sparkle, the baguettes providing crisp linear accents, and the round stones filling and finishing the design. Platinum and 18k gold together speaks to considered material use, platinum securing the more delicate settings while gold contributes warmth and structural body to the broader form.
As a wearable piece, the detachable double-clip construction offers genuine flexibility for a collector who values getting maximum use from a single acquisition — worn together as a substantial single statement, or separated into two smaller clips for a more understated, symmetrical styling option. This mechanical sophistication, combined with confirmed French marks and 1930s dating, places the piece firmly among the more collectible examples of its type available in the current market.
Our workshop has inspected the separating mechanism thoroughly given the added complexity French 1930s construction of this kind can involve, confirming it continues to function as originally engineered. We recommend periodic professional inspection to preserve this mechanical integrity for continued wear in both configurations going forward. French hallmarks of this period carry particular weight among serious collectors, since they anchor a piece to a specific workshop tradition and quality standard that unmarked or later reproduction pieces simply cannot claim, adding a further layer of confidence to any acquisition decision.
Independent gemmological and hallmark authentication documentation is available on request, and our specialists are glad to discuss the French marks and 1930s attribution in detail with any serious enquiry, including how the marks were verified against known period registries. This brooch is entered into the Legacy register as a documented 1930s French design, its dating anchored by hallmark rather than estimation alone. Contact our client team to request documentation or arrange a viewing of this documented 1930s piece.
Specifications
- Metal: 18K Platinum
- Form: Clip-Brooch
- Cut / Shape: Baguette, Round Brilliant
Margaret Ashford
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