Mailing Address:
PO Box 619999
Dallas, TX 75261-6199
PO Box 619999
Dallas, TX 75261-6199
Street Address:2801 W. Airport Freeway
Dallas, Texas 75261-4127
(Northwest corner of W. Airport Freeway [HWY-183] & Valley View Lane)
Auction Name: 2026 January 29 Property of a Beverly Hills, California Designer & Trailblazer Jewelry Showcase Auction
Lot Number: 11040
Shortcut to Lot: HA.com/23226*11040
Art Deco Black Onyx, Diamond, Seed Pearl, Platinum, Gold Necklace, French
Stones: Carved black onyx; rose-cut diamonds
Pearls: Seed pearls measuring 2.50 mm
Metal: Platinum and 18k gold
Marked: French hallmark
Gross Weight: 50.30 grams
Dimensions: 14-1/4 inches x 1/2 inch
Property of a Beverly Hills Designer and Trailblazer
Condition Report*:
Diamonds:
Avg Color: J-K-L
Avg Clarity: SI
Shape(s): Rose-cut
Count: 100+
Metals:
Platinum
Gold
Overall Condition: Very Good
Condition Notes: This elegant choker necklace features elongated black onyx links ranging from approximately 29.80 x 9.95 x 6.20 mm to 35.35 x 10.15 x 6.30 mm, each accented with seed pearls set in gold, and rose-cut diamonds set in platinum. The rose-cut diamonds measure approximately 1.50 mm in diameter, adding a subtle shimmer against the contrast of the polished onyx. Minor chips and abrasions are visible on several onyx links and several diamonds are chipped, consistent with age and wear, though overall structural integrity remains intact. The tongue clasp is marked with a French eagle’s head assay mark for 18k gold, alongside a maker’s mark bearing "MF" in a diamond-shaped outline. The clasp functions well and secures tightly.
*Heritage Auctions strongly encourages in-person inspection of items by the bidder.
Statements by Heritage regarding the condition of objects are for guidance only and should not be relied upon as statements of fact,
and do not constitute a representation, warranty, or assumption of liability by Heritage. All lots offered are sold "AS IS".
Avg Color: J-K-L
Avg Clarity: SI
Shape(s): Rose-cut
Count: 100+
Metals:
Platinum
Gold
Overall Condition: Very Good
Condition Notes: This elegant choker necklace features elongated black onyx links ranging from approximately 29.80 x 9.95 x 6.20 mm to 35.35 x 10.15 x 6.30 mm, each accented with seed pearls set in gold, and rose-cut diamonds set in platinum. The rose-cut diamonds measure approximately 1.50 mm in diameter, adding a subtle shimmer against the contrast of the polished onyx. Minor chips and abrasions are visible on several onyx links and several diamonds are chipped, consistent with age and wear, though overall structural integrity remains intact. The tongue clasp is marked with a French eagle’s head assay mark for 18k gold, alongside a maker’s mark bearing "MF" in a diamond-shaped outline. The clasp functions well and secures tightly.
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