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Blue spinel ring, diamond, and platinum, Edwardian, AGL certed as natural, unheated, and untreated, almost 4 carats!

Blue spinel ring, diamond, and platinum, Edwardian, AGL certed as natural, unheated, and untreated, almost 4 carats!

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Rare find — there's only 1 of these in stock.


  • Vintage item
  • Materials: AGL, certified, natural, untreated, unheated, garland, swagged, platinum, old cut, single cut, diamond, blue spinel, spinel
  • Favorited by: 150 people
  • Gift message available
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A rare find, this natural blue spinel is AGL certified as being unheated and untreated. It measures 11.6mm by 7.9mm by 4.29 mm for an estimated carat weight of 3.94 carats by formula, as well as 76 single cut diamonds of very good quality which measure ~1.1mm apiece for a total carat weight of 3/4 of a carat. The deep cobalt blue hue is nicely set off by a double halo of single-cut diamonds, giving it a face-up size of 19.4mm by 16.4mm on the hand, making "face-up size" as a term more literal than is usually the case! The split shoulders lead into a delicate platinum band (not hallmarked, but acid tested), and the gorgeous under-gallery is carved into a very Edwardian series of garlanded swags. Currently a size 11.5, it can be sized within reason - contact me for details. Truly, a one of a kind piece!

As always, if you have any questions or desire additional pictures, please don't hesitate to get in touch.


5 out of 5 stars


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I accept PayPal, and am always happy to work with a customer on a layaway plan. My general policy is to ask for a nonrefundable deposit of 1/3, with the remaining 2/3rds to be paid off within the next 30 days, but if you want to tailor something specific to your needs, just say the word! I ask that customers adhere to whatever agreement we reach: if a customer misses a payment and does not contact me within 7 days, I am afraid I will have to relist the item.

Returns & exchanges

I accept returns for ready-made items that are significantly not as described, providing a full refund minus the cost of return shipping + insurance. I ask that buyers make their decision within 7 days of receipt, and that returns be undamaged and unaltered (for example, a buyer should not have a ring sized if they're uncertain as to whether they'll be wanting to keep it). Custom orders are non-refundable.

Shipping policies

Ready-made items are shipped within 1 to 3 business days. My default method of shipping is USPS first class, with full insurance, but if you would prefer a different method, please do let me know and I'll be happy to work out an upgrade with you.

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