Opal Necklaces

Opal necklace styles shift with every move, revealing flashes of color for a captivating look. Explore opal solitaire necklaces, opal charm necklaces, and more at Kay.
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Star Wars Grogu Oval-Cut Lab-Created Opal & Diamond Necklace 1/20 ct tw Sterling Silver & 18K Rose Gold Vermeil 18"

Mother's Day Special - GET IT BY MOTHER'S DAY

$349.99 
 
Was $599.99 
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Oval-Cut Lavender Lab-Created Opal, Amethyst & White Lab-Created Sapphire Necklace Sterling Silver 18"

GET IT BY MOTHER'S DAY

$59.99 
 
Was $79.99 
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Family & Mother's Birthstone Heart Necklace (2-4 Stones and Lines)

Personalized ORDER BY 4/23/2026

$163.62 
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Birthstone Mom and Baby Feet Necklace (2 Stones and 1 Line)

Personalized ORDER BY 4/23/2026

$159.17 
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Couple's Heart-Shaped Birthstone Infinity Necklace (2 Stones and Lines)

Personalized ORDER BY 4/23/2026

$170.05 
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Mother's Heart-Shaped Family Birthstone Drop Necklace (1-3 Stones and 2-3 Lines)

Personalized ORDER BY 4/23/2026

$125.52 
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Round Birthstone and White Lab-Created Sapphire Heart Charm Initial Necklace (1 Stone and 1 Initial)

Personalized ORDER BY 4/23/2026

$162.83 
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Birthstone Family & Mother's Necklace (1-6 Stones)

Personalized ORDER BY 4/23/2026

$143.28 
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Birthstone Nameplate Necklace (1 Round Stone and 1 Name)

Personalized ORDER BY 4/23/2026

$131.39 
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Couple's Heart-Shaped Birthstone Infinity Necklace (2 Stones and Lines)

Personalized ORDER BY 4/23/2026

$149.50 
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1/10 ct tw Diamond and Birthstone Round Disc Charm Necklace (1 Stone and Initial)

Personalized ORDER BY 4/23/2026

$203.64 
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Mother's Heart-Shaped Family Birthstone Swirl Necklace (1-4 Stones and Lines)

Personalized ORDER BY 4/23/2026

$133.89 
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Couple's Heart-Shaped Birthstone Necklace (2 Stones and Lines)

Personalized ORDER BY 4/23/2026

$159.89 
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Lab-Created Pink Opal Necklace Sterling Silver

Clearance - GET IT BY MOTHER'S DAY

$139.99 
 
Was $199.99 
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Mother & Child Heart-Shaped Birthstone Necklace (1 Stone)

Personalized ORDER BY 4/23/2026

$162.44 
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Birthstone Family & Mother's Heart Vertical Bar Necklace (1-4 Stones and Lines)

Personalized ORDER BY 4/23/2026

$150.08 
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Birthstone Family & Mother's Necklace (2-4 Stones)

Personalized ORDER BY 4/23/2026

$136.42 
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Round Birthstone Cross Teardrop Necklace (1 Stone and Line)

Personalized ORDER BY 4/23/2026

$144.61 
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Couple's Birthstone Double Heart Necklace 1/20 ct tw Diamonds (2 Stones and Lines)

Personalized ORDER BY 4/23/2026

$184.11 
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Birthstone Nameplate Bar Necklace (1 Heart Stone and 1 Name)

Personalized ORDER BY 4/23/2026

$140.00 
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Mother's Family Heart-Shaped Birthstone Necklace (2-7 Stones)

Personalized ORDER BY 4/23/2026

$143.89 
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Toi et Moi Birthstone Necklace (2 Stones)

New Personalized ORDER BY 4/23/2026

$131.11 
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Mother's Family Birthstone & Diamond Heart Necklace (1-7 Stones)

Personalized ORDER BY 4/23/2026

$123.64 
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Couple's Birthstone Infinity Heart Necklace (2 Stones 2 Lines)

New Personalized ORDER BY 4/23/2026

$156.17 
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Birthstone Rosary Necklace (2 Round Stones)

Personalized ORDER BY 4/23/2026

$150.01 
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Family & Mother's Birthstone Heart Necklace 18" (2-4 Stones and Lines)

Personalized ORDER BY 4/23/2026

$170.33 
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Family & Mother's Cascading Heart-Shaped Birthstone Necklace (1-3 Stones and Lines)

Personalized ORDER BY 4/23/2026

$132.33 
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Toi et Moi Birthstone Necklace (2stones)

New Personalized ORDER BY 4/23/2026

$136.72 
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Heart-Shaped Birthstone Name Necklace 18" (1 Stone and Name)

Personalized ORDER BY 4/23/2026

$158.25 
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Lavender Lab-Created Opal & White Lab-Created Sapphire Heart Necklace Sterling Silver 18"

Clearance - GET IT BY MOTHER'S DAY

$139.99 
 
Was $199.99 
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1/15 ct tw Diamond and Birthstone Family & Mother's Heart Pendant (2-5 Stones and 1 Line)

Personalized ORDER BY 4/23/2026

$163.66 
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Birthstone Mother & Child Heart Necklace (2-5 Stones and 1 Line)

Personalized ORDER BY 4/23/2026

$134.81 
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Birthstone Family & Mother's Hearts Necklace (1-5 Stones)

Personalized ORDER BY 4/23/2026

$154.69 
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Birthstone Couple's Cross Necklace (2 Stones and Lines)

Personalized ORDER BY 4/23/2026

$176.10 
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Birthstone Couple's Locket Necklace (2 Stones and 3 Lines)

Personalized ORDER BY 4/23/2026

$186.31 
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Oval Natural Opal & Diamond Necklace 1/20 ct tw 10K White Gold 18"

Clearance - GET IT BY MOTHER'S DAY

$419.99 
 
Was $699.99 
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Round Birthstone Family & Mother's Necklace (2-4 Stones and 1 Line)

Personalized ORDER BY 4/23/2026

$157.44 
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Baby Feet Birthstone Necklace (1 Stone and 2 Lines)

Personalized ORDER BY 4/23/2026

$129.17 
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Birthstone Family & Mother's Open Heart Design Necklace (2-4 Stones and Lines)

Personalized ORDER BY 4/23/2026

$140.94 
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1/6 ct tw Diamond and Birthstone Family & Mother's Heart Necklace (2-5 Stones and 1 Line)

Personalized ORDER BY 4/23/2026

$235.78 
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1/15 ct tw Diamond and Birthstone Family & Mother's Heart Necklace (2-5 Stones and 1 Line)

Personalized ORDER BY 4/23/2026

$180.59 
Showing 41 of 379 products
Opal necklaces at Kay capture shifting color in one-of-a-kind opal gemstone necklace designs. Discover cabochon solitaire to diamond halos necklace styles, bezel set round opals for a clean edge, and teardrop pendants that highlight the play of light. Opal necklace styles shine in sterling silver or white gold for a cool, iridescent look.