30% Off Black Friday - Ends Soon | Lightbox Lab-Grown Diamond Jewelry

Black Friday

30% OFF almost everything ends soon

Shop Black Friday

The Black Friday edit

30% off

The Round Brilliant Solitaire Studs

2 ct. tw. lab-grown diamonds

Sale price $2,300 Regular price $1,610 Unit price /

Other carats available

Explore

30% off

The Halo Pendant

1 ct. tw. round brilliant lab-grown diamonds

Sale price $1,000 Regular price $700 Unit price /

Other carats available

Explore

30% off

Round Brilliant Lab-Grown Diamond

2½ ct. lab-grown diamond

Sale price $2,250 Regular price $1,575 Unit price /

Other carats available

Explore

30% off

The Princess Solitaire Studs

2 ct. tw. lab-grown diamonds

Sale price $1,700 Regular price $1,190 Unit price /

Other carats available

Explore

30% off

The Round Brilliant Solitaire Bale Pendant

1 ct. lab-grown diamond

Sale price $1,000 Regular price $700 Unit price /

Other carats available

Explore

30% off

The Round Brilliant Solitaire Studs

4 ct.tw. lab-grown diamonds

Sale price $4,200 Regular price $2,940 Unit price /

Other carats available

Explore

30% off

Cushion Cut Lab-Grown Diamond

2¾ ct. lab-grown diamond

Sale price $2,475 Regular price $1,733 Unit price /

Other carats available

Explore

30% off

The Halo Stud Earrings

1 ct. tw. lab-grown diamonds

Sale price $1,000 Regular price $700 Unit price /

Other carats available

Explore

Free insured delivery

30 day returns

1 year warranty

Buy Now, pay later with Klarna

Shop now

Black Friday top picks

Bestselling styles

Perfect for gifting

New Styles included

Explore The Holiday Shop

Innovatively grown, artfully designed.

It's the season to sparkle, so get them what they really want. We make gifting easy with free insured delivery, 30 day returns and a 1 year warranty on all pieces.

Visit the Gift Shop

Shop Gifts

Minis

The Mini Pear Solitaire Studs

¼ ct. tw. lab-grown diamonds

Sale price Regular price $250 Unit price /

Other carats available

Explore

New In

The Round Brilliant Bezel Drop Earrings

4 ct. tw. lab-grown diamonds

Sale price Regular price $2,900 Unit price /

Other carats available

Explore

Special Value

The Riviera Necklace

19⅔ ct. tw. lab-grown diamonds

Sale price Regular price $12,779 Unit price /

Other carats available

Explore

New In

The Waterfront Bangle

2³⁄₇ ct. tw. lab-grown diamonds

Sale price Regular price $2,500 Unit price /

Other carats available

Explore

New In

The Emerald Bezel Drop Earrings

4 ct. tw. lab-grown diamonds

Sale price Regular price $2,900 Unit price /

Other carats available

Explore

New In

The Passage Ring

⅔ ct. tw. lab-grown diamonds

Sale price Regular price $800 Unit price /

Other carats available

Explore

New In

The Wistful Hoop Earrings

½ ct. tw. lab-grown diamonds

Sale price Regular price $600 Unit price /

Other carats available

Explore

New In

The Asscher Solitaire Drop Earrings

4 ct. tw. lab-grown diamonds

Sale price Regular price $2,900 Unit price /

Other carats available

Explore

Shop Necklaces

Shop Earrings

Shop bracelets

Shop rings

1 year warranty

Grown with 100% Renewable energy

Verified lab-grown diamond Quality

Free shipping

US	5	5.5	6	6.5	7	7.7	8	8.5	9
UK	J	K	L	M	N	O	P	Q	R
Europe	48.5	50	51	52	55	56	57	58.5	59
Inside Circumference - MM	49.3	50.6	51.9	53.1	54.4	55.7	57	58.3	59.5
Inside Circumference - Inches	1.94	1.99	2.04	2.09	2.14	2.19	2.24	2.29	2.34

Carat Weight	Min Carat Weight	Max Carat Weight	Diameter Girdle (approx. min. in mm)	Diameter Girdle (approx. max. in mm)
1/2	0.48	0.53	5.01	5.21
3/4	0.71	0.79	5.75	5.95
1	0.95	1.05	6.24	6.64
1 1/2	1.40	1.50	7.06	7.46
1 3/4	1.70	1.80	7.45	7.85
2	1.95	2.10	7.80	8.20
2 1/2	2.45	2.63	8.55	8.95

Carat Weight	Min Carat Weight	Max Carat Weight	Length (approx. mm)	Width (approx. mm)
1/2	0.48	0.53	4.20	4.20
5/9	0.53	0.58	4.42	4.42
5/8	0.59	0.66	4.60	4.60
3/4	0.71	0.79	4.92	4.92
7/8	0.83	0.92	5.17	5.17
1	0.95	1.05	5.41	5.41
1 1/8	1.07	1.18	6.02	6.02
2	2.45	2.63	7.02	7.02
2 1/2	2.95	3.15	7.35	7.35
3	2.95	3.15	7.85	7.85

Carat Weight	Min Carat Weight	Max Carat Weight	Length (approx. mm)	Width (approx. mm)
1/2	0.48	0.53	4.42	4.42
5/8	0.59	0.66	4.77	4.77
3/4	0.71	0.79	5.07	5.07
7/8	0.83	0.92	5.34	5.34
1	0.95	1.05	5.58	5.58
2	1.95	2.10	7.25	7.25
2 1/2	2.45	2.63	7.80	7.80
3	2.95	3.15	8.35	8.35

Carat Weight	Min Carat Weight	Max Carat Weight	Length (approx. mm)	Width (approx. mm)
1	0.95	1.05	6.70	4.85
2	1.95	2.10	8.40	6.10

$

$

Category

Category

Collections

Category

Category

Collections

Lightbox Jewelry

The Black Friday edit

The Round Brilliant Solitaire Studs

The Halo Pendant

Round Brilliant Lab-Grown Diamond

The Princess Solitaire Studs

The Round Brilliant Solitaire Bale Pendant

The Round Brilliant Solitaire Studs

Cushion Cut Lab-Grown Diamond

The Halo Stud Earrings

Lightbox Jewelry

Black Friday top picks

Shop Gifts

The Mini Pear Solitaire Studs

The Round Brilliant Bezel Drop Earrings

The Riviera Necklace

The Waterfront Bangle

The Emerald Bezel Drop Earrings

The Passage Ring

The Wistful Hoop Earrings

The Asscher Solitaire Drop Earrings

Shipping & Returns

Shipping

Returns

Ring Size Guide

1. Size Conversion Chart

2. Check the size of your existing ring

3. Helpful Hints

Guide

Round Brilliant Stones

Princess Cut Stones

Cushion Cut Stones

Emerald Cut Stones

Oval Cut Stones

Asscher Cut Stones

Baguette Cut Stones

Trillion Cut Stones

Heart Cut Stones

Quality Guaranteed

1 Year Warranty

Grown with 100% renewable energy