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October 2024 Birthstones Tourmaline & Opal

The birthstones for October are Tourmaline and Opal.

A 9.50 ct. Afghan-origin Tourmaline with no treatments, Tairona Co.

A 9.50 ct. Afghan-origin Tourmaline with no treatments, Tairona Co.

A 12.0 ct. rubellite Tourmaline, Barker & Company

A 12.0 ct. rubellite Tourmaline, Barker & Company

A 25.87 ct. freeform-shape rolling flash black Opal measuring mined in Lightning Ridge, NSW, Australia, Hopkins Opal

A 25.87 ct. freeform-shape rolling flash black Opal mined in Lightning Ridge, NSW, Australia, Hopkins Opal

A 1.53 ct. Nigerian-origin Tourmaline, Prijems, Inc.

A 1.53 ct. Nigerian-origin Tourmaline, Prijems, Inc.

Earrings in 18K yellow gold with Asscher-cut natural pink Tourmaline (4.0 ctw.) from the Democratic Republic of Congo and bezel-set Brazilian-origin bi-color pink and deep pear-shape cabochon-cit drops (24.94 ctw.), Gatto Mancini, Inc.

Earrings in 18K yellow gold with bezel-set Brazilian-origin bi-color pink and green pear-shape cabochon-cut drops (24.94 ctw.) and Asscher-cut natural pink Tourmaline (4.0 ctw.) from the Democratic Republic of Congo, Gatto Mancini, Inc.

Wednesday, Oct. 16, 2024

An 18.86 ct. emerald-cut green Tourmaline, Barker & Company

An 18.86 ct. emerald-cut green Tourmaline, Barker & Company

Ring in 18k white and yellow gold with untreated Australian Opal, a 1.30 ct. oval-shape G-color, SI1-clarity Diamond with a GIA report, and Diamond melee (1.08 ctw.), Studies in Beauty, Ltd. (DBA Studio GL)

Ring in platinum with a heated 4.74 ct. Brazilian-origin Paraiba Tourmaline with Diamonds (0.80 ctw.), Samuel Sylvio Designs

Ring in platinum with a heated 4.74 ct. Brazilian-origin Paraiba Tourmaline with Diamonds (0.80 ctw.), Samuel Sylvio Designs

Ring in 18K pink gold with a natural-color cultured button-shape 13.5mm x 13.1mm Tahitian Pearl and a 9.10 ct. Kreis-cut pink Tourmaline, Assael, Inc.

Ring in 18K pink gold with a natural-color cultured button-shape 13.5mm x 13.1mm Tahitian Pearl and a 9.10 ct. Kreis-cut pink Tourmaline, Assael, Inc.

An 8.95 ct. cabochon-cut Paraiba Tourmaline, Mayer & Watt

An 8.95 ct. cabochon-cut Paraiba Tourmaline, Mayer & Watt

Wednesday, Oct. 9, 2024

Ring in platinum with a 4.18 ct. Opal and Diamonds (1.41 ctw.), Rio Diamond

Ring in platinum with a 4.18 ct. Opal and Diamonds (1.41 ctw.), Rio Diamond

An 0.84 ct. Nigerian-origin Tourmaline, Prijems, Inc.

An 0.84 ct. Nigerian-origin Tourmaline, Prijems, Inc.

A 5.65 ct. untreated Afghan-origin blue Tourmaline, Tairona Co.

A 5.65 ct. untreated Afghan-origin blue Tourmaline, Tairona Co.

A 1.67 ct. pear-shape Kenyan-origin chrome Tourmaline, Mayer & Watt

An untreated Nigerian-origin 52.15 ct. bicolor Tourmaline, Rare Gems & Minerals

An untreated Nigerian-origin 52.15 ct. bicolor Tourmaline, Rare Gems & Minerals

An oval-shape 8.83 ct. classic high dome nobbie black Opal from Lightning Ridge, NSW, Australia, Hopkins Opal

An oval-shape 8.83 ct. classic high dome nobby black Opal from Lightning Ridge, NSW, Australia, Hopkins Opal

Wednesday, Oct. 2, 2024

Ring in 18K yellow gold with an 8.63 ct. green heated Tourmaline and Diamonds (1.16 ctw.), House of Colors, Inc.

Ring in 18K yellow gold with an 8.63 ct. green heated Tourmaline and Diamonds (1.16 ctw.), House of Colors, Inc.

A 13.42 ct. untreated rubellite Tourmaline from Brazil, Mayer & Watt

A 13.42 ct. untreated rubellite Tourmaline from Brazil, Mayer & Watt

Ring in 18K yellow gold with a 12.04 ct. bicolor autumn-tone Nigerian-origin Tourmaline with 3.0–3.5mm. cultured golden South Sea Pearl keshi, Assael, Inc.

Ring in 18K yellow gold with a 12.04 ct. bicolor autumn-tone Nigerian-origin Tourmaline with 3.0–3.5mm. cultured golden South Sea Pearl keshi, Assael, Inc.

Pendant necklace in 18K white gold with a heated 5.86 ct. Brazilian-origin Paraíba Tourmaline and Diamonds (1.95 ctw.); Samuel Sylvio Designs

A lavender and coral bicolor 5.27 ct. unheated emerald-cut Tourmaline, Kimberly Collins Colored Gems

A lavender and coral bicolor 5.27 ct. unheated emerald-cut Tourmaline, Kimberly Collins Colored Gems

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