18k Gold Tourmaline and Diamond Brooch

Article
1251333Location
California, United StatesFull address: Available with subscription
Date
October 7–13, 2026Lot Number
Free with an accountCategory
BroochDimensions
2 3/4 x 1 1/2 inMaterial
18k Yellow GoldGross Weight
9.70 gStone Weight
Tourmaline 7.80 ct, Diamond 0.30 ctClarity
SIDiamond Color
H-JGemstone
Tourmaline, Diamond, PearlGender
WomenDescription
Antique 18k yellow gold brooch featuring one pear-shaped reddish pink tourmaline weighing approximately 7.80 ct, one old European-cut diamond and one old mine-cut diamond weighing approximately 0.30 ct in total, and two round cultured pearls measuring approximately 3.17 - 3.41 mm in diameter. The tourmaline has heavy inclusions. The diamonds are graded H-J color and SI clarity. The cultured pearls have white bodycolor with slight pink and grey overtones. The brooch has an assay mark. The gold is stamped 750 and its 18k purity confirmed by XRF (X-ray fluorescence) testing. The estimated gross weight is 9.70 g.Condition
Available with subscriptionProvenance
No provenance providedEstimates: $2,000 – $3,000
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