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Our signature diamond trombone link extenders are completely unique designs exclusive to our collection.


Use these versatile diamond extenders to lengthen your chains and bracelets, and create your own mixed-link design by attaching them to chains with contradicting links.  There are so many ways to style these fabulous conversion extenders.


Converted from several antique pieces, these incredible extenders have solid 9-carat gold links (not hollow) and feature two antique old-cut diamonds set back-to-back in the elongated trombone links of each extender, allowing the beautiful bright old-European cut diamond to be seen from both sides.   


They have beautiful stamps on each solid gold link depicting 9-carat gold and lending to the prominent design of antique watch chains.  Use the secure dog clip clasp to connect the extender to your chains.


These chain extenders are a gorgeous warm gold colour, almost a soft subtle rosey gold that is common in antique 9-carat gold pieces.  This gold colour blends well with other gold colours and higher carats.


You will love wearing this unique Victorian-era conversion piece every single day.


There are two extenders available in this release - please read the product information section for the details of each one.

Antique 9ct Gold Old-Cut Diamond Trombone Chain Extenders

    • Antique 9-carat gold
    • Two antique repurposed old European cut diamonds (set back-to-back)
    • Solid links, each one stamped '9.375'
    • Trombone links: 24mm long, 6mm wide, 2mm thick
    • Secure chunky dog clip clasp
    • Excellent antique condition




    • Extender length: 2 inches
    • Extender width: 6mm
    • Weight:  3.90 grams
    • Diamonds measure approx 3mm diameter in the settings, 4.5mm total depth (set back-to-back)
    • This extender should be paired with dog clips and bolt rings that are not wider than 2mm.




    • Extender length: 2.5 inches
    • Extender width: 6mm
    • Weight:  5.80 grams
    • Diamonds measure approx 3mm diameter in the settings, 4mm total depth (set back-to-back)



    Unless otherwise stated, any chains, jewellery boxes, and other items photographed with the listed piece are for advertising purposes only and not sold with this piece.

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