Description:

A MONUMENTAL BLACK OPAL AND DIAMOND DRESS RING
The 18ct yellow and white gold dress ring has been set with a monumental black opal and a halo of diamonds. The free form black opal is trapezoid shaped and has been set with four double claws. The halo of diamonds ranges in cuts from round brilliant cut, tapered and regtangular baguette cut to a singlar pear cut. The shoulders of the ring are set with brilliant cut and baguette cut diamonds, and the under gallery of the ring is accented with pave set diamonds. Stamped '750'. Original purchase price $411,810 AUD. Total weight of piece 29.46 grams. Ring size L.5

  • Condition: The ring presents in good condition with minimal wear associated with age and use. The opal presents in very good order with no apparent issues. It measures 20.58 x 16.90 x 7.45 x 18.30mm and is estimated to be 12.99 carat. The bodytone is black (N2), the brightness vivid (B5) and the patterns present as flagstone and chaff. The predominant colours in the opal are red and gold.
    The largest diamond in the ring is a GIA certified and laser inscribed pear shaped stone graded as being of D colour and SI1 clarity weighing 1.04 carat with faint flourescene. GIA certificate #6315190872. The second largest diamond is estimated to be of G colour and SI2 clarity and weighs a calculated 0.53 carat. The balance of the diamonds comprise a single pear cut of 0.80 carat, 32 baguette cut totalling 1.17 carat, 136 brilliant cut totalling 1.92 carat.


    The opinions expressed in the condition reports are a guide only and should not be treated as a statement of fact. Prospective buyers are encouraged to seek further information or request additional images during our pre-sale period where Leonard Joel staff are available for advice. Please note condition reports can be amended during the pre-sale period, so we strongly suggest any interested bidders check the published condition report available on the website before the auction commences. Leonard Joel makes no guarantee of the originality of mechanical or applied components. Absence of reference to such modifications does not imply that a lot is free from modifications.

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May 27, 2026 10:00 AM AEST
Teneriffe, Australia

Leonard Joel

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Bid Increments
From: To: Increments:
A$0 A$99 A$50
A$100 A$499 A$50
A$500 A$999 A$50
A$1,000 A$1,999 A$100
A$2,000 A$4,999 A$200
A$5,000 A$9,999 A$500
A$10,000 A$19,999 A$1,000
A$20,000 A$49,999 A$2,000
A$50,000 A$99,999 A$5,000
A$100,000 + A$10,000