A Platinum, Diamond and Black Opal Ring,

containing one oval black opal measuring approximately 18.65 x 15.70 x 9.95 mm with two triangular cut and 18 round brilliant cut diamonds weighing approximately 0.53 carat total.
Stamp: Pt900 D0.53.
11.00 dwts.

Property from the Margaret A. Cooper Trust, Evanston, Illinois. Sold without reserve to benefit St. Jude Children's Research Hospital.

Please contact the jewelry department at [email protected] for any additional information or questions you may have regarding this lot.

Overall Condition: There are scratches on the metal consistent with wear.
Please note the opal is loose in the mounting. The opal weighs approximately 15.00 carats by formula based estimation.
The ring is an approximate size 6 on the mandrel.

Diamond Characteristics (graded in setting):
Color: G-H.
Clarity: SI.

The physical condition of lots in our auctions can vary due to age, normal wear and tear, previous damage, and restoration/repair. All lots are sold "AS IS," in the condition they are in at the time of the auction, and we and the seller make no representation or warranty and assume no liability of any kind as to a lot's condition. Any reference to condition in a catalogue description or a condition report shall not amount to a full accounting of condition. Condition reports prepared by Freeman's staff are provided as a convenience and may be requested from the Department prior to bidding.

The absence of a posted condition report on the Freeman's website or in our catalogues should not be interpreted as commentary on an item's condition. Prospective buyers are responsible for inspecting a lot or sending their agent or conservator to inspect the lot on their behalf, and for ensuring that they have requested, received and understood any condition report provided by Freeman's.

Please email for any additional information or questions you may have regarding this lot.

To request further details about this lot, please email [email protected]

Please contact the Auction Specialist for details.

Katie Guilbault, GG

Senior Specialist, Jewelry & Watches

[email protected]858.442.6104

Ms. Guilbault is a Graduate Gemologist and has traveled the country evaluating important jewelry collections including antique, period and contemporary pieces. She first joined the firm in 2003, where she became the Director of Jewelry & Watches and Director of Consignments. In 2007, Katie joined Trabert & Hoeffer as an appraiser and sales associate. Following her time at Trabert & Hoeffer, Katie launched a jewelry consulting business, providing fine jewelry appraisal and custom design services. She returned to Freeman's in 2017 as a Senior Specialist of Jewelry & Watches. Katie brings a wealth of valuation experience to Southern California, as she establishes Freeman's expanded presence on the West Coast.

Marisa Ackerman, G.G.

Specialist, Jewelry & Watches, Denver

[email protected]303.825.1855

Marisa Ackerman is a specialist in the Jewelry & Watches Department at Hindman.

Ms. Ackerman brings over 15 years of retail experience to her role as a specialist at Hindman. Most recently, she earned her certification in gemology and worked as the in-store appraiser and sales consultant for Hurdle’s Jewelry in Boulder, Colorado. She developed long-standing relationships with clients and helped guide them in their jewelry purchases and insuring their collections. At Hindman she combines her passion for jewelry with her educational background. Ms. Ackerman has a BA in history from the University of Illinois at Chicago and is a Member of the National Association of Jewelry Appraisers.

Marisa Ackerman is a specialist in the Jewelry & Watches Department at Hindman.

Important Jewelry and Timepieces

A Platinum, Diamond and Black Opal Ring,

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