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Last Chance November 2025 Passed Lots Sale - End Nov. 24th

Tue, Nov 18, 2025 02:00AM EST - Mon, Nov 24, 2025 03:00PM EST
  2025-11-18 02:00:00 2025-11-24 15:00:00 America/New_York North American Auction Company North American Auction Company : Last Chance November 2025 Passed Lots Sale - End Nov. 24th https://live.naabid.com/auctions/north-american-auction/last-chance-november-2025-passed-lots-sale---end-nov-24th-21322
Last Chance Passed Lots November 2025 Auction will be a timed online only auction that begins ending on November 24th at 1 p.m. Mountain Time. Preview online. Shipping is available for all items. Email tucker@naabid.com or call 800-686-4216 for more info. NaaBid.com. North American Auction Company tucker@naabid.com
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GGA 3.47 CTW Black Opal, Diamond & Platinum Ring
Timed Auction in Progress ... Currently on Lot
Lot 583

GGA 3.47 CTW Black Opal, Diamond & Platinum Ring

Estimate: $4,500 - $8,500
Inquire
Starting Bid
$1,300
[0 Bids]Bidding History
Bid increments chart

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
For your consideration is this elegant, 3.47 CTW natural black opal, 0.42 CTW diamond & platinum ring with GGA paperwork. The ring features a polished, stamped, and tested platinum construction that is marked on the inside of the ring band as follows: Oscar Friedman - PT950. The center stone is a beautiful & natural, oval cabochon cut, 3.47 CTW black opal with dimensions of 12.57 x 9.46 mm and an excellent rating in symmetry. Surrounding the center stone are twelve, round brilliant cut diamonds with a total carat weight of 0.42, dimensions of 2.2 x 2.1 mm, an average clarity of SI1 - SI2, and average color of G - H and excellent ratings in symmetry and polish. The piece comes complete with GGA(GemAssure Gemological Appraisals, GGA Appraisal Number#: GGA069606 and trace number: RN036092) report and appraisal confirming the above info and giving a total value of $8,590.00. The ring size is US 7 and weighs 8.6 grams. RN036092

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