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A fabulous Art Deco Old Mine Cut diamond cluster ring that has an estimated 1.75 carat center stone in a millegrain octagonal setting. With flanking baguette shoulders 0.32ct to the solitaire diamond, enhancing this antique Art Deco ring. Furthermore, there are an estimated 0.48ct of millegrain set Old Mine Cut diamonds forming a halo to complete the design, with total diamond weight of 2.55ct. The ring was created in the 1920's, pieces from this age are imbibed with a style and glamour that is so attractive to us in our modern age.


The Old Mine cut diamonds emanated from the old diamond mines of India, hence the name. Displaying the high crown and flat table so clearly seen in this solitaire diamond, so typical of the Old Mine cut. A unique engagement ring for the discerning lady who would like to own a ring which displays the character that only antique diamonds can have.


Please feel free to contact us for more details on this piece, including additional images or video clips. Complimentary re-sizing is available on this piece. 


RING SIZE - UK K/ US 5¼/ EU 50½


MEASUREMENT - 17mm diameter of the ring. 17mm L x 15mm W (head of the ring)

Stands 4mm high on the finger




Centre Stone




CUT - Round, Old Mine Cut


Baguette & round cuts

CARAT WEIGHT – Total weight 0.80cts Diamonds Baguette 0.32ct. Total weight 0.16ct per side X 6 diamonds Baguette Stones - Range 0.10ct - 0.02ct X 10 Old Mine Round Cut 0.48ct Total weight - X 8 diamonds.



CUT - Old Mine Cut


WEIGHT - 3.8g


MATERIALS - Platinum/Diamonds


CONDITION - Very good considering the age of the ring, circa 1920's


HALLMARK - None but tested using touchstone assaying tool as platinum

2.55ct Old Mine Cut Platinum Diamond Cluster Art Deco Engagement Ring c.1920

  • Total diameter of the ring approx. 17mm

    Resizing available upon request, here.



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