Victorian 18ct Gold Diamond & Emerald Brooch c1840-50

This is a stunning 18ct yellow gold Diamond and Emerald brooch.
It is set with 26 old cut diamonds and an emerald cut emerald.
There is a small loop at the top, so it could turned into a fabulous pendant.
The pin and hook have been replaced at some point in time.
Excellent condition.
Dated: early Victorian c1840-50
Tested as 18ct on a XRF Gold analyser.
Emerald weight: 1.25ct approx.
Weight: 13.8 grams
Measurements: 33mm x 33mm approx.