It was listed by Gatsby Jewellery Ltd. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Gatsby Jewellery Ltd has dated this piece to the 1930s.
This brooch is a fantastic example of their early Art Deco work. Set with two wholloping amethysts and forty-four old cut diamonds in an almost industrial looking design. Big, bold and striking.

Cut - Emerald cut amethysts and old cut diamonds
Colour - Diamonds are high white; F-G.
Clarity - Diamonds range from VS2 to SI2.
Carat - The amethyst are approximately 18 carat each. The total estimated diamond weight is 6.00 carat

Circa - 1930.
Condition - Perfect
Measurements - 50mm across and 22mm wide. Not including the pins, the brooch is 15.5mm "deep."
Metal - 18k yellow gold. The diamonds are set in platinum.
Maker's Mark - Hennell.
Video - To view a video of this piece recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/298144144
Gatsby Jewellery Ltd has dated this piece to the 1930s.
Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
You can view the stock and full dealer information on the Gatsby Jewellery Ltd Profile Page