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29 - An 18k gold diamond and natural Burma ruby (NTE) cluster ring.
Starting price
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Estimation
€15,000 - 20,000Sale fees
An 18k gold diamond and natural Burma ruby (NTE) cluster ring. Oval pierced bezel set with a natural, intense pinkish-red ruby of approx. 4.12 ct in cushion cut (approx. 8.7 × 7.6 × 5.6 mm, NTE), surrounded by 12 old-cut and transitional-cut diamonds (total approx. 2.4 ct, I/J colour, SI/P clarity). Hallmarks: Stone weight “4.12 ct”. Bezel 2.4 × 2.0 cm. Ring size 55. Weight 6.84 g. Presumably c. 1900. Certificate Gem Report No. 5786-3812 issued by GCS (Gemmological Certification Services), London, dated 21 August 2026, confirming that the red stone is a natural ruby with no indications of heating (NTE), originating from Mogok, Burma. The estimated weight corresponds closely to the weight stated on the ring shank.
Auction details
Jewelry and WatchesAuction house
Lempertz +(49)2.21.92.57.290 schmuck@lempertz.comDelivery is optional. You can use the carrier of your choice. The stated price does not include the lot price or the auction house fees.