Antique rose diamond and onyx ring

Unusual Antique navette cut Onix and diamond ring.
Featuring five prominent rose-cut diamonds aligned down a central strip on the ring.

Eleborate clowas and ring shank.
The shank has a cable design (also called a link, interlocking, or chain-style shank) is unique due to its construction:
Interlocking Links: The shoulders feature two cast interlocking circular links, mimicking the look of a heavy chain or cable.
Openwork Structure: It splits open near the head to provide sturdy support for the elongated navette-shaped setting.
Structural Integration: This model belongs to historic Victorian craftsmanship, where structural elements like chains and cable motifs were heavily incorporated into token jewelry and statement cocktail rings.
Current ring size 56 mm circumferance, 17,8 mm cross section, US size 7¾. Resizing includded