22kt gold, diamonds, precious and semi-precious stones crafted into stunning jewellery items › Emerald and diamond stud earrings set in 22 carat gold Image 1 of 1 Emerald and diamond stud earrings set in 22 carat gold $3,500.00 Natural Zambian emeralds, 0.95 ct., set in 22 carat gold stud earrings surrounded by diamonds. 18 carat posts and backs. Add To Cart Added! Natural Zambian emeralds, 0.95 ct., set in 22 carat gold stud earrings surrounded by diamonds. 18 carat posts and backs.