Victorian 10k Yellow Gold Black Onyx and Old Mine Cut Diamond Mourning Ring Tiffany & Co. A mid-century platinum engagement ring

A mid-century platinum engagement ring featuring a pear-cut white diamond

The design includes a wavy gold border

as per the photograph

creating a striking visual effect

Victorian 10k Yellow Gold Black Onyx and Old Mine Cut Diamond Mourning Ring Tiffany & Co. A mid-century platinum engagement ringA 10k rosy yellow gold Victorian ring featuring a 0. 35 carat old mine cut diamond, slightly included (SI3) with a J color grade. The diamond is set in the center of a black table cut onyx. The band is intricately designed. The ring is sizable. Note: the back side of the ring's top has some damage. It is not sharp on the finger. Please see the photo.