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.

Pear-Shaped Lab-Created Opal & White Lab-Created Sapphire Necklace Sterling Silver 18"

Pear-Shaped Lab-Created Opal & White Lab-Created Sapphire Necklace Sterling Silver 18"

+30% in Bag

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

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

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

Toi et Moi Birthstone Necklace (2 Stones)

Toi et Moi Birthstone Necklace (2 Stones)

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

Birthstone Nameplate Necklace (1 Round Stone and 1 Name)

Birthstone Nameplate Necklace (1 Round Stone and 1 Name)

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

Round Birthstone Cross Teardrop Necklace (1 Stone and Line)

Round Birthstone Cross Teardrop Necklace (1 Stone and Line)

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

Birthstone Cross Necklace (6 Stones)

Birthstone Cross Necklace (6 Stones)

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

Birthstone Couple's Infinity Pendant (2 Stones and Lines)

Birthstone Couple's Infinity Pendant (2 Stones and Lines)

Personalized

+30% in Bag

Birthstone Baby Feet Engravable Necklace (1 Stone and 2 Lines)

Birthstone Baby Feet Engravable Necklace (1 Stone and 2 Lines)

Personalized

+30% in Bag

Halo Round Birthstone Bezel-Set Necklace (1 Stone)

Halo Round Birthstone Bezel-Set Necklace (1 Stone)

Personalized

+30% in Bag

Birthstone Family & Mother's Necklace (1-3 Stones and Lines)

Birthstone Family & Mother's Necklace (1-3 Stones and Lines)

Personalized

+30% in Bag

1/10 ct tw Diamond Family & Mother's Heart Pendant (2-5 Stones and 2 Lines)

1/10 ct tw Diamond Family & Mother's Heart Pendant (2-5 Stones and 2 Lines)

Personalized

+30% in Bag

Baby Feet Birthstone Necklace (1 Stone and 2 Lines)

Baby Feet Birthstone Necklace (1 Stone and 2 Lines)

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

Birthstone 'Mom' Heart Necklace (1 Stone and 2 Lines)

Birthstone 'Mom' Heart Necklace (1 Stone and 2 Lines)

Personalized

+30% in Bag

Unstoppable Love Couple's Heart Necklace (2 Stones and Lines)

Unstoppable Love Couple's Heart Necklace (2 Stones and Lines)

Personalized

+30% in Bag

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

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

Personalized

+30% in Bag

Birthstone Family & Mother's Layered Mother's Necklace (1-4 Stones and 2-5 Lines)

Birthstone Family & Mother's Layered Mother's Necklace (1-4 Stones and 2-5 Lines)

Personalized

+30% in Bag

Birthstone Family & Mother's Layered Mother's Necklace (2-5 Stones and 1-4 Lines)

Birthstone Family & Mother's Layered Mother's Necklace (2-5 Stones and 1-4 Lines)

Personalized

+30% in Bag

Unstoppable Love Family & Mother's Pendant (1 Stone and Line)

Unstoppable Love Family & Mother's Pendant (1 Stone and Line)

Personalized

+30% in Bag

Birthstone Couple's Initial Necklace (2 Stones and Initials)

Birthstone Couple's Initial Necklace (2 Stones and Initials)

Personalized

+30% in Bag

Heart Birthstone 'Mom' Necklace (1 Stone and 2 Lines)

Heart Birthstone 'Mom' Necklace (1 Stone and 2 Lines)

Personalized

+30% in Bag

Birthstone Couple's Heart Necklace (2 Stones)

Birthstone Couple's Heart Necklace (2 Stones)

Personalized

+15% in Bag

Oval-Cut Opal & Diamond Accent Necklace 10K Rose Gold 18"

Oval-Cut Opal & Diamond Accent Necklace 10K Rose Gold 18"

Closeout

+30% in Bag

Couple's Birthstone Heart Necklace (1 Stone and 2 Lines)

Couple's Birthstone Heart Necklace (1 Stone and 2 Lines)

Personalized

+30% in Bag

Birthstone 'Mama' Heart Necklace (1 Stone)

Birthstone 'Mama' Heart Necklace (1 Stone)

Personalized

+30% in Bag

Couple's Birthstone Heart Necklace (1 Name)

Couple's Birthstone Heart Necklace (1 Name)

Personalized

New

KAY Lab-Grown Diamonds & Cushion-Cut Natural Opal Necklace 10K Yellow Gold 18"

KAY Lab-Grown Diamonds & Cushion-Cut Natural Opal Necklace 10K Yellow Gold 18"

Online Exclusive

Le Vian Opal Sun Necklace 1/5 ct tw Diamonds 14K Strawberry Gold 19"

Le Vian Opal Sun Necklace 1/5 ct tw Diamonds 14K Strawberry Gold 19"

+30% in Bag

Birthstone Family & Mother's Necklace (1-5 Stones and Lines)

Birthstone Family & Mother's Necklace (1-5 Stones and Lines)

Personalized

+30% in Bag

Birthstone Couple's Double Heart Necklace (2 Stones and Lines)

Birthstone Couple's Double Heart Necklace (2 Stones and Lines)

Personalized

Showing 40 of 380 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.