Antique old mine cut diamond brooch/chain extender
Antique old mine cut diamond brooch/chain extender
- 100+ 5-star reviews
- Insured shipping included
- Resizing quotes available
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Details
Size: 70mm L x 6mm W
Weight: 6.1g
Metal: Sourced as 15ct gold. Acid tests between 14ct-18ct yellow gold, platinum topped
Marks: None present
Stones: 25 x natural old mine cut diamonds, approximately 2.3ct TCW, VS2-SI2 clarity, G-J colour
Condition: Stunning antique condition with very minimal wear commensurate with age. Pin opens and closes easily, with a small extra latch for security.
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Why we love it
This is such an elegant example of an antique diamond bar brooch, with old cut diamonds graduating gently from the centre and continuing along the full length of the piece. The elongated shape gives the diamonds room to form a continuous line of light that is incredibly sparkly. The front is finely finished in white metal with delicate milgrain edging, keeping the focus firmly on the diamonds.
What we especially love is how wearable this format still is. It can sit straight on a jacket lapel, knit, scarf or collar, or be angled slightly for a more relaxed look. Its long, narrow format also lends itself beautifully to creative styling - it could be used as a decorative chain connector or extender with a suitable chain, adding both length and a line of old cut diamonds to the necklace.
Before you buy
How do you authenticate your pieces?
We carefully assess every piece using our gemmological training, specialist tools, and industry experience. We are both GIA Graduate Gemmologists and have also completed the Applied Jewelry Professional (AJP) qualification.
We work closely with our jeweller, who has almost 50 years of experience and is also a qualified gemmologist.
Carat weights are estimates based on measurements taken in the setting unless otherwise stated. Precise weights can only be obtained from loose stones. Many of our diamonds are old cuts, which are often asymmetrical and not calibrated due to traditional hand-cutting techniques.
We aim to provide clear photos and videos from multiple angles to help you purchase with confidence.
Do US customers have to pay tariffs or duties?
No - for United States customers, the price shown includes insured DHL Express or Australia Post shipping and import duties/tariffs.
This means there should be no separate bill for these charges on delivery. We always ship at full declared value so your parcel stays compliant, secure, and fully insured.
Do you offer layaway or payment plans?
Layaway may be available by approval on selected pieces, we’re always happy to discuss. Please get in touch to enquire via our Contact Us form or via Instagram.
PayPal Pay in 4 is also available at checkout (subject to eligibility), which allows you to pay in instalments to PayPal while we send your piece out right away.
Do you offer ring resizing?
Yes! We’re happy to help you get the perfect fit. Please contact us to discuss ring sizing options, we're happy to provide no obligation quotes for resizing.
Our jeweller takes great care to keep the finish seamless and preserve original details and hallmarks where possible.
You can read more about ring resizing and common myths in our blog post.
I'd like more information about this piece
No worries at all, we're always happy to help! Please use the contact form below to ask a question and we'll get back to you as soon as we can.