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A stunning Art Deco Columbian emerald 18 karat white gold and platinum with baguette diamond ring. The estimated carat weight of the untreated step cut emerald is 3.47 carats that is set in a four-corner claw mount. This stylish Art Deco ring is typical of the period with baguette cut diamonds (0.42ct) channel set into the shoulders of the ring. A truly natural emerald with no oiling or enhancement to detract from the beauty of the stone in a classic Art Deco “stepped” shoulder setting. Columbian emeralds are the most desirable of all the locations to obtain rare emeralds.


The ring comes with a certificate from the UK Birmingham Assay Office dated December 2020 to attest that this is a natural untreated Beryl, Emerald from Columbia.


Please feel free to contact us for more details on this piece, including additional images or video clips.


RING SIZE – UK P ½ / US 7 ¾ / EU 55 7/8 


MEASUREMENT – 18mm diameter




CUT – Rectangular step cut
WEIGHT – 3.47 carats
CLARITY – Moderately included, no evidence of Treatment
COLOUR – Strong green




CARAT WEIGHT – 0.42 Total weight (4 diamonds) 
CUT - Baguette


WEIGHT – 4.54 g


MATERIALS - 18 karat white gold/Platinum/Emerald/Diamond


HALLMARK – Stamped ‘18ct & Plat’ tested as such with a touchstone.


CONDITION – This is a spectacular ring with plenty of Deco style. There are superficial scratches to the metal surface as would be expected from a ring of this age. All the stones are original to the piece and remain securely set.

Art Deco Certified Untreated 3.4ct Columbian Emerald and Baguette Diamond Ring

  • Total ring diameter: 18mm

    Resizing available upon request, here.



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