From the Paradise Collection, 5-strand necklace strung with multiple pear shape briolette cut and drilled Gemstones, they are:

Seven (7) Garnets, approx. 4.27 ct.,
Ten (10) Peridots, approx.. 5.00 ct.,
Eleven (11) pear Blue Topazes, approx. 5.94 ct.,
Twelve (12)Tourmalines, approx.. 5.52 ct.,
Five (5) Amethysts, approx. 2.05 ct.,
Eighteen (18) Citrines, approx. Weight 7.38 ct.
Two (2) Emeralds, approx 0.41 ct. each, total weight 0.82 ct.,
Nine (9) Aquamarines, approx. 3.69 ct.,
Six (6)Blue Tourmalines, approx. 2.76 ct.,
seven Green Tourmalines, approx 3.22 ct.,
Three (3) brownish-Green to greenish-Brown Tourmalines, approx. 1.38 ct.,
All alternating with 91 round 18 Kt. yellow gold beads, 4.32 mm.
The necklace weighs 49.5 grams and measures 16" long, completed with a satin finish lobster clasp, signed, stamped 750 / Italy and with Italian registry mark 2616 VI.
Longest strand 19 in the longest and 15.5 in the shortest.
Designer stamped, Marco Bicego