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Lab-Grown Diamond Necklaces

Indulge in expert craftsmanship with our collection of lab-grown diamond necklaces. Explore timelessly elegant designs with dazzling sparkle and shine.
101 Results items returned.
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101 Results items returned.
Lab-Grown Diamond Three-Stone Necklace 1/2 ct tw 14K White Gold 18"
Variations Available

$420.00 
30% off
Was $600.00 
Lab-Grown Diamond Bezel-Set Tennis Necklace 6 ct tw 14K Yellow Gold 18"

Clearance

$4,500.00 
50% off
Was $9,000.00 
Lab-Grown Diamond Necklace 2 ct tw Round 14K White Gold

Clearance

$1,350.00 
50% off
Was $2,700.00 
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Oval-Cut Lab-Grown Diamond Bezel-Set Solitaire Necklace 1 ct tw 18K Yellow Gold 18" (F/VS2)
+3 more

Clearance

$1,225.00 
30% off
Was $1,750.00 
Lab-Grown Diamond Solitaire Necklace 1 ct tw Round 14K White Gold 19" (SI2/F)

$1,295.00 
30% off
Was $1,850.00 
Lab-Grown Diamond Graduated Open-Heart Necklace 1 ct tw 14K Rose Gold 18"

$595.00 
30% off
Was $850.00 
Lab-Grown Diamond Heart Outline Necklace 1/2 ct tw 14K White Gold 18"
Variations Available

$420.00 
30% off
Was $600.00 
Lab-Grown Diamond Graduated Open-Heart Necklace 1/4 ct tw 14K Rose Gold 18"

$357.00 
30% off
Was $510.00 
Lab-Grown Diamond Graduated Open-Heart Necklace 1 ct tw 14K Yellow Gold 18"

$595.00 
30% off
Was $850.00 
Lab-Grown Diamond Heart Outline Necklace 1/4 ct tw 14K White Gold 18"
Variations Available

$357.00 
30% off
Was $510.00 
Lab-Grown Diamond Tennis Necklace 20 ct tw 14K Yellow Gold 17"

New Arrivals

$14,000.00 
30% off
Was $20,000.00 
Lab-Grown Diamond Tennis Necklace 12 ct tw 14K Yellow Gold 17"

New Arrivals

$8,400.00 
30% off
Was $12,000.00 
Lab-Grown Diamond Graduated Open-Heart Necklace 1/2 ct tw 14K Rose Gold 18"

$420.00 
30% off
Was $600.00 
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Lab-Grown Diamond Solitaire Necklace 1 ct tw Heart-Cut 14K White Gold (F/SI2) 18"

$1,295.00 
30% off
Was $1,850.00 
Lab-Grown Diamond Solitaire Necklace 1 ct tw Oval 14K White Gold 19" (SI2/F)

Clearance

$1,250.00 
50% off
Was $2,500.00 
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Pear-Shaped Lab-Grown Diamond Bezel-Set Solitaire Necklace 1 ct tw 18K Yellow Gold 18" (F/VS2)
+3 more

Clearance

$1,225.00 
30% off
Was $1,750.00 
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Marquise-Cut Lab-Grown Diamond Bezel-Set Solitaire Necklace 1 ct tw 18K White Gold 18" (F/VS2)
+3 more

Clearance

$1,225.00 
30% off
Was $1,750.00 
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Round-Cut Lab-Grown Diamond Bezel-Set Solitaire Necklace 1 ct tw 18K Yellow Gold 18" (F/VS2)
+3 more

$1,470.00 
30% off
Was $2,100.00 
Lab-Grown Diamond Solitaire Necklace 1 ct tw Princess 14K White Gold 19" (SI2/F)

$1,295.00 
30% off
Was $1,850.00 
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Square-Emerald-Cut Lab-Grown Diamond Bezel-Set Solitaire Necklace 1 ct tw 18K Yellow Gold 18" (F/VS2)
+3 more

Clearance

$1,225.00 
30% off
Was $1,750.00 
Lab-Grown Diamond Graduated Open Heart Necklace 1/4 ct tw 14K Yellow Gold 18"

$357.00 
30% off
Was $510.00 
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Princess-Cut Lab-Grown Diamond Bezel-Set Solitaire Necklace 1 ct tw 18K White Gold 18" (F/VS2)
+3 more

Clearance

$1,225.00 
30% off
Was $1,750.00 
Lab-Grown Diamond Solitaire Necklace 5 ct tw Round 14K White Gold 19" (SI2/F)

Clearance

$10,500.00 
70% off
Was $35,000.00 
Lab-Grown Diamond Solitaire Necklace 1-1/2 ct tw Round 14K Yellow Gold 19" (SI2/F)

$1,645.00 
30% off
Was $2,350.00 
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Lab-Grown Diamond Solitaire Necklace 1/2 ct tw Heart-Cut 14K White Gold (F/SI2) 18"

$665.00 
30% off
Was $950.00 
Lab-Grown Diamond Solitaire Necklace 2 ct tw Round 14K White Gold 19" (SI2/F)

$2,100.00 
30% off
Was $3,000.00 
Lab-Grown Diamond Necklace 2 ct tw Round 14K White Gold

$1,890.00 
30% off
Was $2,700.00 
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Lab-Grown Diamond Lariat Necklace 5 ct tw Round 14K Yellow Gold 18"

Clearance

$3,249.99 
50% off
Was $6,500.00 
Pnina Tornai Oval-Cut Lab-Grown Diamond Halo Necklace 1-7/8 ct tw 14K White Gold 18"

$1,540.00 
30% off
Was $2,200.00 
Lab-Grown Diamond Solitaire Necklace 1/2 ct tw Round 14K White Gold 19" (SI2/F)

$665.00 
30% off
Was $950.00 
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J'Lure Hexagon Portrait-Cut, Trapezoid Step-Cut & Trillion Curved Brilliant-Cut Lab-Grown Diamond Necklace 7-1/3 ct tw 14K Rose Gold 18.5"

$15,000.00 
Lab-Grown Diamond Cross Necklace 1 ct tw 14K Rose Gold 18"

$1,050.00 
30% off
Was $1,500.00 
Pnina Tornai Heart-Shaped Lab-Grown Diamond Solitaire Necklace 3 ct tw 14K White Gold 18" (VS2/F)

$2,240.00 
30% off
Was $3,200.00 
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Pear-Shaped Lab-Grown Diamond Drop Bow Necklace 1-1/2 ct tw 14K White Gold

$1,260.00 
30% off
Was $1,800.00 
Previously Owned Lab-Grown Diamond Circle Pendant Necklace 2 ct tw Round 14K Yellow Gold 18"

Previously Owned

$2,030.00 
30% off
Was $2,900.00 
Previously Owned Lab-Grown Diamond Necklace 1 ct tw Round 14K Yellow Gold

Previously Owned

$1,280.00 
20% off
Was $1,600.00 
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J'Lure Oval Portrait-Cut Lab-Grown Diamond Necklace 4-1/3 ct tw 14K White Gold 16.5"

$9,500.00 
Lab-Grown Diamond 3-Stone Necklace 1-1/2 ct tw Round 14K White Gold

$1,400.00 
30% off
Was $2,000.00 
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Pnina Tornai Round & Emerald-Cut Lab-Grown Diamond Vertical Drop Necklace 2 ct tw 14K White Gold

$1,750.00 
30% off
Was $2,500.00 
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J'Lure Pentagon Brilliant-Cut, Moval Old-Cut & Square Emerald Step-Cut Lab-Grown Diamond Y-Drop Necklace 30-7/8 ct tw 14K Yellow Gold 17.5"

$60,000.00 
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Baguette & Round-Cut Lab-Grown Diamond Snowflake Necklace 1 ct tw 14K White Gold 18"

$840.00 
30% off
Was $1,200.00 
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Pnina Tornai Round & Emerald-Cut Lab-Grown Diamond Riviera Necklace 11-3/4 ct tw 14K White Gold 17.75"

Clearance

$9,768.00 
20% off
Was $12,210.00 
Showing 42 of 101 products