This is a lovely circa 1850, onyx and diamond brooch/pendant It is crafted of unmarked but tested 18 carat yellow gold, and it contains 9 rose cut diamonds, It could have been worn for mourning, but it is not necessarily a mourning piece. It measures 1 and 5/8 inches North to South, not counting the bale, and about 1 and 1/4inches East to West. It weighs 15.52 grams. It's a lovely elegant piece of Victoriana, circa 1850.
18 carat , onyx and diamond, brooch/pendant, Victorian.