Art Deco style platinum ring with ~1.00ct diamond

1 diamond weighing approximately 1.00ct F-G/SI
28 diamonds weighing approximately 0.15ct F-G/SI-P
total weight of diamonds in the piece approximately 1.15ct
weight of the piece: 4.23g
HRD Antwerp certificate
A centrally set carat diamond of very good quality is surrounded by handmade, filigree cutouts in platinum. Appearing floral motif developed by a master jeweler makes the product unique and original.