Antique Tiffany & Co. 0.9ct Diamond Seed Pearl 18K Brooch 
Metal Type: 18 karat Yellow Gold (Testded)
Weight: 5.5 gram
Diamond Details:
Weight: 0.9ct
Cut: Old European Brilliant
Color: G-H
Clarity: VS-VVS1
Pearl Details: 1.00 carat, total weight, Round, Natural
Condition: Very Good (Converted from pendant)
Measurement: 1.25 x 1 inch