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The modern birthstone of October is the Opal, but Tourmaline is also known as the months birthstone. Both October birthstones have many color options and magnetic appeal. 

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Vintage Tourmaline Necklace
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Exquisite Tourmaline & Carved Rock Crystal Pendant
$3,800. USD
Tourmaline Pendant Necklace
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Sleek 10 Carat Tourmaline and Diamond Enhancer Necklace
$7,000. USD
Vintage Tourmaline Ring
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Vintage 9.40 Carat Indicolite Tourmaline and Diamond Cocktail Ring
$6,700. USD
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Fiery Australian Black Opal and Diamond Cocktail Ring
$35,000. USD
Opal Cocktail Ring
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Art Deco Inspired Opal Diamond Onyx Sunburst Cocktail Ring
$8,800. USD
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Important 15 Carat Lightning Ridge Black Opal Diamond Necklace
$58,000. USD
Rainbow Bracelet
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25 Carat Rainbow Gemstone Unisex Tourmaline Tennis Bracelet
$10,500. USD
New Opal Diamond Strand Necklace
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125 Carat Opal Beads & Diamond Necklace
$3,900. USD
Opal Bead Necklace
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New 42 Carat Opal Beads Necklace
$2,300. USD Sold Out
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Tourmaline and Black Diamond Snake Pendant
$2,450. USD
Vintage Fire Opal Ring
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Estate Mexican Fire Opal Diamond Cocktail Ring
$8,400. USD
Vintage Rubellite Tourmaline Ring
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Mid Century Rubellite Tourmaline Pave' Diamond Ring
$5,400. USD
Tourmaline Engagement Ring
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Estate Green Tourmaline and Diamond Engagement Ring
$5,600. USD
Tourmaline Engagement Ring
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Oval Blue-Green Tourmaline Diamond Engagement Ring
$3,200. USD
Vintage Tourmaline Cocktail Ring
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Rubellite Pink Tourmaline Diamond Cocktail Ring
$5,000. USD
1960s Vintage Opal Ring
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Vintage Mid Century Black Opal and Diamond Ring
$9,000. USD
Vintage Tourmaline Ring
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Retro Green Tourmaline Diamond Engagement Ring
$5,300. USD
Vintage Tourmaline Ring
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East West 6.90 Carat Pink Tourmaline and Diamond Ring
$4,200. USD
1990s Vintage Necklace
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Vintage Art Nouveau Inspired Cats Eye Tourmaline Pendant Necklace
$5,600. USD
Tourmaline Moonstone Owl Pendant Necklace
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Vintage Tourmaline and Moonstone Owl Necklace
$5,300. USD
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Modern 6 Carat Emerald Cut Green Tourmaline Diamond Pendant Necklace
$4,200. USD
Vintage Tourmaline Necklace
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Vintage Indicolite Tourmaline Diamond Pendant Necklace
$3,100. USD
Art Deco Black Opal Ring
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Impressive Art Deco Brushstroke Black Opal Cocktail Ring
$65,000. USD
Vintage Opal Earrings
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17 Carat Opal & Diamond Dangle Earrings
$10,500. USD Sold Out
GIA Paraiba Tourmaline Ring
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GIA Certified 2.76 Carat Paraiba Tourmaline Engagement Ring
$24,000. USD
GIA Paraiba Tourmaline
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GIA Certified Pear Shape Paraiba Tourmaline Cocktail Ring
$22,800. USD Sold Out
Watermelon Tourmaline Ring
Art Deco Style Watermelon Tourmaline Diamond Cocktail Ring
$4,700. USD Sold Out
Vintage Opal Pin
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Art Nouveau Opal & Diamond Bee Brooch
$4,500. USD Sold Out
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Retro 1930s 5.71 Carat Opal Long Cocktail Ring
$1,400. USD Sold Out
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Mid Century Opal Flower Power Cocktail Ring
$650. USD
Vintage Opal Ring
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Vintage Swirling Opal & Diamond Cocktail Ring
$1,200. USD
Vintage Tourmaline Ring
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Vintage Green Tourmaline Diamond Halo Gemstone Engagement Ring
$3,900. USD
Antique Opal Ring
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Art Nouveau Era 18kt. Gold & Harlequin Black Opal Ring
$7,800. USD
Pink Tourmaline Ring
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Art Deco 1.25 Carat Pink Tourmaline Marquise Antique Engagement Ring
$3,100. USD
Tourmaline Ring
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Retro 6.05 Carat Padparascha Peach Tourmaline Oval Engagement Ring
$4,200. USD
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Huge Vintage Opal Diamond White Gold Cocktail Ring
$2,800. USD Sold Out
Green Tourmaline Bracelet
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5 Carat Green Tourmaline Diamond Art Deco Platinum Cocktail Bracelet
$14,000. USD
Certified Tourmaline Engagement Ring
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5 Carat Paraiba Tourmaline Sugarloaf Cabochon Engagement Ring
$17,500. USD
The Princeton Paraiba tourmaline engagement ring with a dazzling, double diamond halo.
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New Certified Paraiba Tourmaline Double Diamond Halo Engagement Ring
$6,900. USD
A retro oval pink tourmaline and diamonds engaegment ring.
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Retro Revival Pink Tourmaline 18K White Gold Engagement Ring
$3,200. USD
Vintage 33 Carat Opal Pendant
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Space Age Modernist 33 Carat Opal Diamond Necklace
$45,000. USD
An oval Australian black opal ring, presented in one of our vintage ring boxes.
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Art Deco 6.76 Carat Black Opal Cocktail Ring GIA Certified
$42,000. USD
A Princess Diana style green tourmaline diamond target engagement ring.
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Modern Classic Green Tourmaline Diamond Halo Engagement Ring
$4,500. USD Sold Out
A cabochon cut black opal diamond halo pendant necklace
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Edwardian 16 Carat Black Opal Necklace GIA Certified
$36,000. USD Sold Out