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1.70 Unheated Spinel & 0.50 in White Gold (DJC170Spi050WGAIGS157)

white gold and diamonds surrounding one carat clean  unheated Ceylon sapphire
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From the David Jerome Collection:
Unheated 1.70 Tanzanian Spinel
in 18k White Gold (sold)
with 0.50ct Diamonds
Rich Rose Red


The Setting: One-Level Double-Halo Art-Deco Wide Shank with YG Prongs

- 18K White & Yellow Gold with UK Hallmark
- 22mmx20mm Visual Top Dimension
- Extra Wide Bracelet-Style Band with Rectangular Substructure (Wrist-Band-Style)
- Four Single Top-Round Corner Prongs in Yellow Gold
- Total 0.50 carats in 75 conflict-free diamonds in VS (or better) and color G (or better) 
- 5.4 gram (incl. gems)
- Size USA 7 (re-sizing free of charge)

Comment: David's signature design with a wrist-band, which, in this case, DOES get thinner in the lower shank. Typical also the yellow gold prongs injecting an additional color between white glitter and red brilliancy. Though David already brings four decades of design to analyse for the art-historian, it is probably too early to name some of his design features as 'classic DJC', but one may imagine that, say, next century people will call this 'watch-type-style' a proof for David's hand and the fact that for the first time a wider public began to distinguish between 'mass-jewelry' and the exquisite individual designs that used only 'real' untreated gemstones.    

The Stone:

- Unheated Tanzanian Spinel 1.70 carat
- Cushion: 8.02x6.41x4.18 mm
- Cut: Mixed
- Color Grade: Excellent
- Tone: Medium Dark 70
- Color Zoning: None
- Clarity: Free of Inclusions
- Cutting Grade: Excellent (precision cut in UK)
- Depth: 65%
- Brilliancy: 80%
- Origin: Tanzania

Treatment: None

Certificate: AIGS GB13091767

Overall Grade: Excellent

Comment: Not a mahenge spinel (though from Tanzania), not a Mogok spinel (though from Burma) and yet with the best of both worlds. I only noticed the quality of the gem when I accidently saw it in person in London (the studio images (side) where so boring that I had removed it from my 'to-see-list' beforehand, but then picked it up by chance and complained why the good pieces were not on 'my' list, yes, yes!). A very deep red-red just with a little tingle of purple but no black-out, with an extra fine crystal, see-through clarity but no window and fine cut. And, as one may have guessed, it was sold as ruby and only AIGS de-classified it. No reason to be surprised, that happens in the best families. Ruby-quality spinel with spinel-only qualities at not-ruby prices (go figure!). More than unique. Fine red spinels are on the top value-up list.




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