Lab-Grown Diamond Necklaces

From understated bar necklaces to lavish lab-grown diamond tennis necklaces and gemstone pendants, our stunning necklaces come crafted in your choice of precious metal.

All All
Tennis Tennis
Pendants Pendants
Fashion Fashion
216 Items
FILTER
Exceptional Value
Radiant Lab Grown Diamond Halo Slide Pendant - 16 to 18 Inches
Radiant Lab Grown Diamond Halo Slide Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["1 ⅕ ctw","1 ⅞ ctw","2 ¼ ctw","3 ¾ ctw","4 ⅞ ctw","6 ¼ ctw"]},{"name":"Quality","position":3,"values":["F-VS2","E-VS1","D-VVS2"]}]
Halo Slide Pendant $ 1,485
Carat :1 ⅕ - 6 ¼
WG
YG
RG
PL
Round Created with Sketch.
Oval Created with Sketch.
Cushion Created with Sketch.
Emerald Created with Sketch.
Marquise Created with Sketch.
Pear Created with Sketch.
Princess Created with Sketch.
Radiant Created with Sketch.
Heart Created with Sketch.
Exceptional Value
Radiant Lab Grown Diamond East West Halo Slide Pendant - 16 to 18 Inches
Radiant Lab Grown Diamond East West Halo Slide Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["1 ⅕ ctw","1 ⅞ ctw","2 ¼ ctw","3 ¾ ctw","4 ⅞ ctw","6 ¼ ctw"]},{"name":"Quality","position":3,"values":["F-VS2","E-VS1","D-VVS2"]}]
East West Halo Slide Pendant $ 1,485
Carat :1 ⅕ - 6 ¼
WG
YG
RG
PL
Oval Created with Sketch.
Emerald Created with Sketch.
Marquise Created with Sketch.
Pear Created with Sketch.
Radiant Created with Sketch.
Shop The Signature Collection
Exceptional Value
2 ⅙ ctw Round Lab Grown Diamond Eternal Journey Pendant - 18 Inches
2 ⅙ ctw Round Lab Grown Diamond Eternal Journey Pendant - 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Quality","position":2,"values":["F-VS2","DE-VS1"]}]
2 ⅙ ctw Eternal Journey Pendant $ 1,535
Carat: 2 1/6
WG
YG
RG
PL
Round Created with Sketch.
Exceptional Value
Round Lab Grown Diamond 4-Prong Single Bail Pendant - 16 to 18 Inches
Round Lab Grown Diamond 4-Prong Single Bail Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["1 ctw","1 ½ ctw","2 ctw","3 ctw","4 ctw","5 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","E-VS1","D-VVS2"]}]
4-Prong Single Bail Pendant $ 1,125
Carat :1 - 5
WG
YG
RG
PL
Round Created with Sketch.
Oval Created with Sketch.
Cushion Created with Sketch.
Elongated Cushion
Emerald Created with Sketch.
Princess Created with Sketch.
Radiant Created with Sketch.
Asscher Created with Sketch.
Exceptional Value
Round Lab Grown Diamond Four Prong Tennis Necklace
Round Lab Grown Diamond Four Prong Tennis Necklace
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["5 ctw","7 ctw","8 ctw","10 ctw","12 ctw","15 ctw"]},{"name":"Length","position":3,"values":["16 Inch","18 Inch","20 Inch","22 Inch"]}]
Four Prong Tennis Necklace $ 3,995
Carat :5 - 15
WG
YG
RG
PL
Round Created with Sketch.
Exceptional Value
Marquise Lab Grown Diamond Diagonal Tennis Necklace
Marquise Lab Grown Diamond Diagonal Tennis Necklace
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["10 ctw","12 ctw","15 ctw","20 ctw","25 ctw"]},{"name":"Length","position":3,"values":["16 Inch","18 Inch","20 Inch"]}]
Diagonal Tennis Necklace $ 7,685
Carat :10 - 25
WG
YG
RG
PL
Marquise Created with Sketch.
10 ctw Radiant Lab Grown Diamond Five Station Tennis Necklace
10 ctw Radiant Lab Grown Diamond Five Station Tennis Necklace
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Quality","position":2,"values":["F-VS2","DE-VS1"]}]
10 ctw Five Station Tennis Necklace $ 9,145
Carat: 10
WG
YG
RG
PL
Oval Created with Sketch.
Emerald Created with Sketch.
Marquise Created with Sketch.
Radiant Created with Sketch.
Point to Point Pear Necklace in Rose Gold
Point to Point Pear Necklace in Rose Gold
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Quality","position":2,"values":["F-VS2","DE-VS1"]}]
2 ¼ ctw Circle Pendant $ 1,980
Carat: 2 1/4
WG
YG
RG
PL
Pear Created with Sketch.
Round Accent Necklace in Rose Gold
Round Accent Necklace in Rose Gold
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Quality","position":2,"values":["F-VS2","E-VS1","D-VVS2"]}]
3 ctw Ornate Bail Pendant $ 3,030
Carat: 3
WG
YG
RG
PL
Round Created with Sketch.
Heart Lab Grown Diamond Mom Solitaire Pendant - 16 to 18 Inches
Heart Lab Grown Diamond Mom Solitaire Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["½ ctw","1 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","DE-VS1"]}]
Mom Solitaire Pendant $ 1,685
Carat :½ - 1
WG
YG
RG
PL
Heart Created with Sketch.
Enjoy Free Shipping & 60-Day Returns
Heart Lab Grown Diamond Nonna Solitaire Pendant - 16 to 18 Inches
Heart Lab Grown Diamond Nonna Solitaire Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["½ ctw","1 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","DE-VS1"]}]
Nonna Solitaire Pendant $ 1,685
Carat :½ - 1
WG
YG
RG
PL
Heart Created with Sketch.
Heart Lab Grown Diamond Mommy Solitaire Pendant - 16 to 18 Inches
Heart Lab Grown Diamond Mommy Solitaire Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["½ ctw","1 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","DE-VS1"]}]
Mommy Solitaire Pendant $ 1,685
Carat :½ - 1
WG
YG
RG
PL
Heart Created with Sketch.
Heart Lab Grown Diamond Mama Solitaire Pendant - 16 to 18 Inches
Heart Lab Grown Diamond Mama Solitaire Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["½ ctw","1 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","DE-VS1"]}]
Mama Solitaire Pendant $ 1,685
Carat :½ - 1
WG
YG
RG
PL
Heart Created with Sketch.
Round Lab Grown Diamond Shared Prong Cross Pendant - 18 Inches
Round Lab Grown Diamond Shared Prong Cross Pendant - 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["1 ctw","1 ½ ctw","2 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","DE-VS1"]}]
Shared Prong Cross Pendant $ 1,505
Carat :1 - 2
WG
YG
RG
PL
Round Created with Sketch.
Signature Collection
18 ⁷/₈ ctw Round Lab Grown Diamond Solitaire Drop Tennis Necklace - 18 Inches - Signature Collection
18 ⁷/₈ ctw Round Lab Grown Diamond Solitaire Drop Tennis Necklace - 18 Inches - Signature Collection
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold"]}]
18 ⁷/₈ ctw Solitaire Drop Tennis Necklace - Signature Collection $ 16,245
Carat: 18 7/8
WG
YG
RG
Round Created with Sketch.
Signature Collection
Multi-Shaped Diamond Necklace with Pear Center in Rose Gold
Multi-Shaped Diamond Necklace with Pear Center in Rose Gold
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold"]}]
12 ½ Bezel Tennis Necklace - Signature Collection $ 15,200
Carat: 12 1/2
WG
YG
RG
Pear Created with Sketch.
Emerald Lab Grown Diamond 4 Prong East West Solitaire Pendant - 16 to 18 Inches
Emerald Lab Grown Diamond 4 Prong East West Solitaire Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["1 ctw","1½ ctw","2 ctw","3 ctw","4 ctw","5 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","E-VS1","D-VVS2"]}]
4 Prong East West Solitaire Pendant $ 1,380
Carat :1 - 5
WG
YG
RG
PL
Oval Created with Sketch.
Emerald Created with Sketch.
Radiant Created with Sketch.
Round Lab Grown Diamond 3 Prong Solitaire Slider Pendant - 16 to 18 Inches
Round Lab Grown Diamond 3 Prong Solitaire Slider Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["1 ctw","1 ½ ctw","2 ctw","3 ctw","4 ctw","5 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","E-VS1","D-VVS2"]}]
3 Prong Solitaire Slider Pendant $ 1,470
Carat :1 - 5
WG
YG
RG
PL
Round Created with Sketch.
Pear Created with Sketch.
Heart Created with Sketch.
Marquise Lab Grown Diamond 6-Prong Bail Solitaire Pendant - 16 to 18 Inches
Marquise Lab Grown Diamond 6-Prong Bail Solitaire Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["1 ctw","1 ½ ctw","2 ctw","3 ctw","4 ctw","5 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","E-VS1","D-VVS2"]}]
6-Prong Bail Solitaire Pendant $ 1,250
Carat :1 - 5
WG
YG
RG
PL
Emerald Created with Sketch.
Marquise Created with Sketch.
Oval Created with Sketch.
Round Created with Sketch.
Round Lab Grown Diamond 4 Prong Solitaire Pendant - 16 to 18 Inches
Round Lab Grown Diamond 4 Prong Solitaire Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["1 ctw","1½ ctw","2 ctw","3 ctw","4 ctw","5 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","E-VS1","D-VVS2"]}]
4 Prong Solitaire Pendant $ 1,380
Carat :1 - 5
WG
YG
RG
PL
Round Created with Sketch.
Oval Created with Sketch.
Cushion Created with Sketch.
Emerald Created with Sketch.
Radiant Created with Sketch.
Princess Created with Sketch.
Pear Created with Sketch.
Asscher Created with Sketch.
Round Lab Grown Diamond 3 Prong Solitaire Pendant - 16 to 18 Inches
Round Lab Grown Diamond 3 Prong Solitaire Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["1 ctw","1 ½ ctw","2 ctw","3 ctw","4 ctw","5 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","E-VS1","D-VVS2"]}]
3 Prong Solitaire Pendant $ 1,470
Carat :1 - 5
WG
YG
RG
PL
Round Created with Sketch.
Pear Created with Sketch.
Heart Created with Sketch.
Star Solitaire Pendant in Rose Gold
Star Solitaire Pendant in Rose Gold
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold"]}]
2 ctw Star Solitaire Pendant $ 2,700
Carat: 2
WG
YG
RG
Round Created with Sketch.
Round Lab Grown Diamond Half Bezel Solitaire Pendant - 16 to 18 Inches
Round Lab Grown Diamond Half Bezel Solitaire Pendant - 16 to 18 Inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]},{"name":"Carat Weight","position":2,"values":["1 ctw","1 ½ ctw","2 ctw","2 ½ ctw","3 ctw","4 ctw"]},{"name":"Quality","position":3,"values":["F-VS2","E-VS1","D-VVS2"]}]
Half Bezel Pendant $ 2,240
Carat :1 - 4
WG
YG
RG
PL
Round Created with Sketch.
Emerald Created with Sketch.
Princess Created with Sketch.
Radiant Created with Sketch.
1 ctw Round Lab Grown Diamond Asymmetrical Bow Pendant - 16 to 18 inches
1 ctw Round Lab Grown Diamond Asymmetrical Bow Pendant - 16 to 18 inches
[{"name":"Metal","position":1,"values":["14K White Gold","14K Yellow Gold","14K Rose Gold","Platinum"]}]
1 ctw Asymmetrical Bow Pendant $ 2,020
Carat: 1
WG
YG
RG
PL
Round Created with Sketch.
Load more

FILTER

REFINE

What Makes a Lab Grown Diamond Necklace a Smart Choice?

Lab-grown diamond necklaces offer the same radiant brilliance as mined diamonds but with the added benefit of being ethically produced. A lab-grown diamond necklace is a beautiful, sustainable way to add elegance to any outfit. Whether for everyday wear or a special occasion, it’s a thoughtful, luxurious gift that’s both stunning and responsible.

Are Lab Grown Diamond Necklaces Durable?

Yes, lab-grown diamond necklaces are incredibly durable. With a hardness rating equal to that of mined diamonds, they’re resistant to scratches and damage. When cared for properly, your lab-grown diamond necklace will retain its stunning sparkle for years to come, making it a worthwhile investment.

Can I Design My Own Lab Grown Diamond Necklace?

Absolutely! We offer a variety of customization options for lab-grown diamond necklaces. You can choose from a range of diamond shapes, necklace designs, and metals to create a piece that is uniquely yours. Whether it’s a pendant or a statement necklace, MiaDonna’s design team will help you craft a piece that reflects your individual style.

Search MiaDonna

x