Antique 10K Gold Cameo Ring Carnelian, Shell

Tested by scratch/solution. Solution slightly old. My Metal detector showed pure gold. Very good condition besides the area that came apart (see photos. Unbranded/marked. Antique dealer in the states stated "100+ years old". Purchased in Sweden. Antique Yellow Gold, Shell & Carnelian Cameo Ring Size 7 - Damaged (apart) at seam. My solution is old but still passed the scratch test. No markings on ring. Tested - 10k Gold Approx Measurements: Ring Size: 7 ,Band Width: 3mm Non Magnetic Weight: Total: 2.38g Stones: Carnelian, Shell