Platinum and Gold Diamond, Onyx and Emerald Brooch

Article
1201210Location
Illinois, United StatesFull address: Available with subscription
Date
April 30, 2026 - May 1, 2026Lot Number
Available with subscriptionCategory
BroochYear of Production
Art DecoDimensions
Length: 2.63 inMaterial
18k Yellow Gold, PlatinumGross Weight
5.68 gClarity
VS-SI1Diamond Color
G-IClasp Or Buckle
Pin StemGemstone
Diamond, Onyx, EmeraldGender
WomenType
BarDescription
Art Deco platinum and 18k yellow gold bar brooch set with old European, single, and rose cut diamonds (G-I color, VS-SI1 clarity), calibré-cut black onyx, and emeralds. Length: 2.63 in, weight: 5.68 gCondition
Available with subscriptionProvenance
From the Estate of Gabrielle KopelmanEstimates: $700 – $900
Buyer's premiumSubscribe to Premium to unlock Buyer's Premium
Estimated TotalSubscribe to Premium to unlock estimate calculator
Each Jewelry aggregates lot information for discovery and research. Bidding and purchases take place through the original auction source where available.