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Lab-Grown Diamonds/Man-Made Diamonds (MMD)

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Learn about and discuss everything on lab-grown diamonds here! No simulants (CZ, Moissanite, YAG, etc), please.

Featured Topics

bcmacdonald
Blog Lab-Grown Diamond Prices - June 2025
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3
Views
666
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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7
Views
6K
sahariaazmin12
oncrutchesrightnow
  • Poll Poll
Theory: what happens now that 2 carat LGDs cost less than the average (U.S.) e-ring?
2
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53
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3K
MRBXXXFVVS1
M
K
1 3/4 ct for each ? Help!
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11
Views
586
musicloveranthony
M
mamalovesgems
Help judge my new lab grown studs
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17
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1K
DejaWiz
DejaWiz
M
  • Poll Poll
Would you want a Lightbox engagement ring?
2
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49
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3K
pinklemonadegurl
pinklemonadegurl
M
Which ideal scope looks better?
Replies
22
Views
728
DejaWiz
DejaWiz
E
How do these LGD look? Open to other suggestions as well!
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5
Views
547
Engagement_Diamond22
E
Alybetter
AVC arrived today! 1.05 F VS1
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21
Views
784
Alybetter
Alybetter
maisie2
Taking Name Suggestions for New Ring!
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20
Views
580
Mreader
Mreader
C
Thoughts on my ring (video)
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11
Views
675
Christa H
C
S
Black Friday/Holiday Deals on lab diamonds
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22
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2K
evergreen
evergreen
N
Lightbox finest
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5
Views
1K
namechangesogfdoesntknow
N
H
Newbie here... and feeling overwhelmed!
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17
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1K
DejaWiz
DejaWiz
YadaYadaYada
Can a round brilliant MMD be recut to an OEC?
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19
Views
1K
YadaYadaYada
YadaYadaYada
O
Just got the finished ring photos from Provence!
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3
Views
728
Roselina
R
E
Oval Experts - SOS!
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3
Views
587
elizanne
E
kgizo
Anyone know if MMDs have impacted moissanite supply or prices?
Replies
20
Views
2K
oncrutchesrightnow
oncrutchesrightnow
pinklemonadegurl
They’re done!!! 4ctw Lightbox round brilliant studs
Replies
21
Views
2K
MRBXXXFVVS1
M
B
Lightbox Finest 1ct. Round Brilliant Stud
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2
Views
759
MRBXXXFVVS1
M
sabinameister
Advice needed
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1
Views
475
Kim N
Kim N
P
5.28 Emerald Cut Diamond from James Allen
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9
Views
753
DejaWiz
DejaWiz
L
Thoughts on this CVD?
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2
Views
721
Garry H (Cut Nut)
Garry H (Cut Nut)
oncrutchesrightnow
Ouros selling 1 ct. LGD set in 10k solitaire
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5
Views
656
Alybetter
Alybetter
N
What was the 10% off code for Lightbox please?
  • nmg
Replies
2
Views
342
diamondyes
D
N
Does anyone know the general mm for the Lightbox 1.5ct round?
  • nmg
Replies
6
Views
474
nmg
N
I
Help me choose :(
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7
Views
618
DanyLavaggio
D
N
Need Opinion On This Diamond from Distinctive Gem
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9
Views
1K
musicloveranthony
M
lm3898
Price?
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1
Views
402
vintageinjune
vintageinjune
lm3898
3 carat stones
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7
Views
769
vintageinjune
vintageinjune
E
Help me choose between these two LGDs?
Replies
4
Views
616
DejaWiz
DejaWiz
G
New here - opinions needed!
Replies
4
Views
521
givemegardenias
G
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