Early 20th century diamond set octagonal pendant brooch

The openwork panel centred by a flowerhead style cluster of principal diamond in leafy petal border, to a two row diamond line octagonal frame spaced by pierced knifebar work, diamond set foliate cluster surmount and similar below, hung with a swing drop of two graduated collets in pear shaped frame, millegrain and collet set in platinum, together with a fitted case for Rood & Co.

The diamonds estimated to weight 4cts in all.
Weight: 14g