The birthstones for October are Opal and Tourmaline.
Earrings in 14K yellow gold with pink Tourmalines (0.55 ctw.) and round full-cut Diamonds (0.14 ctw.), $845; Artistry LTD
“Flordala” pendant in 18K rose gold with a 1.44 ct. fire Opal from Mexico, $5,495; Cynthia Renee
Ring in platinum with a 15.25 ct. Australian boulder Opal, $10,800; Jewelerette
Necklace in 18K white gold with a 14.80 ct white Opal and Diamonds (1.25 ctw.), $16,000; Akiva Gil
Pendant set in 18K rose gold with a 6.23 ct. Australian black Opal and Paraiba Tourmalines (0.85 ctw.), Alexandrite, and red Spinel, $27,800; Llyn Strong
Wednesday, October 18
Eternity band in 18K rose gold with pink oval-cut Tourmalines (8.63 ctw.), $3,999; Shivam Imports
A 6.45 ct. unheated octagonal-shape green Tourmaline, $7,095; Sparkles and Colors
A 9.50 ct. untreated Tourmaline from Afghanistan, $13,300; Tairona
Earrings in 18K white gold with Paraiba Tourmalines (4.37 ctw.), round-cut Diamonds (1.15 ctw.), and a report from GIA, $30,000 keystone; AG Gems
A 30.10 ct. heated emerald-cut African Tourmaline, $58,695; Wild & Petsch
Wednesday, October 11
Earrings in 18K yellow gold and 19K bead-blasted white gold with pink and green Tourmalines (3.0 ctw.) and round-cut Diamonds (0.08 ctw.), $2,400 keystone; Llyn Strelau
Cygnus earrings in 14K yellow gold with Welo Opals (6.10 ctw.), colored gemstones (1.875 ctw.), and Diamonds (0.305 ctw.), $3,310 keystone; Martha Seely
Ring in 18K yellow gold with a 27.0 ct. Cat’s Eye Imperial Opal from Brazil and Diamonds (0.27 ctw.), $4,650; Karin Jamieson
A natural 19.77 ct. orange Tourmaline from Kenya, $19,770 keystone; Pala International
Ring in 18K white gold and platinum with a 6.75 ct. oval-shape Opal and Diamonds (2.05 ctw.), $50,000; Jye Luxury
Wednesday, October 4
A 4.01 Chrome Tourmaline from Tanzania, $4,600; 3090 Gems
Ring in 18K rose gold with a 4.13 ct. Lightning Ridge black Opal and Diamonds (0.29 ctw.), $25,000 keystone; AG Gems
Ring in 18K white gold with a 17.25 ct. heated Tourmaline and Diamonds (0.83 ctw.), $36,000; Dilamani
Bracelet in 18K white gold with Tourmaline (35.72 ctw.) and Diamonds (0.98 ctw.), $39,509; Almor Design
Earrings in platinum with pink-gray oval-cut Tourmalines (22.09 ctw.), Diamonds (1.09 ctw.), and cultured blue Akoya Pearls (3.0–3.5 mm), $42,000; Assael