More Details Armenta pendant necklace from the New World Collection. Polished sterling silver rolo chain and open cross pendant. Bezel-set, faceted oval clear quartz over Australian black opal doublet. Two petite, bezel-set, marquise-cut sapphire accents. Mixed bezel-set white and champagne diamonds. 0.24 total diamond carat weight. 0.08 total sapphire carat weight. 4.43 total opal carat weight. Approx. 16-18"L; 1.5"L drop. Handmade in the USA.