Shop › Agate Oval Cabochon Pendant. Summerville Georgia, USA. Sterling Silver. 16 mm x 12 mm. 5 ct. Image 1 of 2 Image 2 of 2 Agate Oval Cabochon Pendant. Summerville Georgia, USA. Sterling Silver. 16 mm x 12 mm. 5 ct. $80.00 sold out Agate Pendant, Summerville Ga, USA. Sterling Silver. Sold Out Added! Agate Pendant, Summerville Ga, USA. Sterling Silver.