Lapis Lazuli, Opal and Diamond Necklace

Lapis Lazuli, Opal and Diamond Necklace
sterling silver, the pendant mounted with a cabochon-cut lapis lazuli weighing approximately 16.9 carats, accented with round-cut turquoises weighing approximately 0.72 carats in total, cabochon-cut opals weighing approximately 2.40 carats in total, and oval-cut green quartzes weighing approximately 3.00 carats in total, and rose-cut diamonds, l. 2-1/4", the pendant suspended from a necklace composed of 4.6 mm lapis lazuli beads accented and finished with a diamond clasp, l. 16-1/2", with a total approximate diamond weight of 1.90 carats in total. total weight 32.0 grams