Faceted Amethyst Pendant Necklace in 18K Gold and Sterling Silver. Yellow Gold Surrounds Stone. Marked Alisa Tuscany, Italy 18k and 925 Italy on Pendant and Marked 925 and 18K on Chain Clasp. Weight; 35.9 grams. Pendant is 3/4" x 1 1/4" With Hang Loop. Necklace is 18" Long.