DescriptionArt Nouveau Diamond, Sapphire, Platinum, Gold Brooch, Riker Bros.
The brooch features European-cut diamonds weighing a total of approximately 0.05 carat, set in platinum-topped gold, accented by a cabochon sapphire, set in 14k gold, maker's mark for Riker Bros. Gross weight 12.90 grams.
Dimensions: 1-5/8 inches x 1-9/16 inches
Diamond Average Color: G-H-I
Diamond Average Clarity: SI
Diamond Shapes: European-cut
Diamond Count: 1 - 25
Gem Type: Sapphire
Gem Average Clarity: Good
Gem Shape: Cabochon
Gem Count: 1 - 25
Overall Condition: Very Good
Notes: Brooch is marked "14k" on back. Maker's mark is partially visible.
Buyer's Premium per Lot:
25% on the first $100,000 (minimum $14), plus 20% of any amount between $100,000 and $1,000,000, plus 12% of any amount over $1,000,000 per lot.