Spring Montana Western Antique Auction May 21st 2022
Sat, May 21, 2022 11:00AM EDT
Lot 287
Color Changing Spinel Diamond & Platinum Ring
Estimate: $9,000 - $11,000
Bid Increments
| Price | Bid Increment |
|---|---|
| $0 | $5 |
| $50 | $10 |
| $100 | $25 |
| $500 | $50 |
| $1,000 | $100 |
| $2,000 | $250 |
| $5,000 | $500 |
| $10,000 | $1,000 |
| $25,000 | $2,500 |
| $100,000 | $5,000 |
Featured in this lot is this Art Nouveau Spinel diamond and platinum ring with SGL and GIA paperwork. The ring features a tested, stamped, and polished art nouveau style ring face with platinum construction with an Orianne hallmark and a 'PT950' stamp next to the hallmark. The center stone is a oval modified brilliant step cut natural color changing Spinel stone with measurements of 7.54 x 6.49 x 5.75mm and is transparent with no indications of heating and a violet changing to pinkish purple and a total weight of 2.11 carats. The Art Nouveau style to the face of the ring is decorated with a total of 64 round brilliant cut diamonds that shows a bezel and pave setting with a color gradient of G - H and an average clarity of SI1 - SI3 and a total diamond weight of 0.74 carats. The piece comes complete with SGL (Superior Gemological Laboratory, Inc. a GIA certified lab SGL#: SGLR2043187 with the access code of G7347 at GemRap.com) report and appraisal confirming the above info and giving a total value of $10,370.00.
GIA (Gemological Institute of America) Spinel Grading Report#: 2223297456. The ring size is US 7 1/2.
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