Art Deco Trio 4.0mm natural Opal Cabochon 10K yellow gold carved ring JR9287

Victorian era 10K yellow gold statement ring, it embellished three natural Opal cabochon, 4.0mm. Open work ring top to ring shank, nice etching. Ring top 12.0mm wide, ring size 6 3/4. 
No hallmark, tested for 10K