Find your diamond
Find your jewelry
shape
carat
color
clarity

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

New posts
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
Replies
3
Views
585
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
Replies
6
Views
6K
pinklemonadegurl
swaye2010
4 carat MMD Brilliant Cushion
Replies
10
Views
2K
OoohShiny
OoohShiny
Grilledcheese
AUSTFA form help
Replies
2
Views
833
Grilledcheese
Grilledcheese
M
33.5 degree crown and black edge. Help!
Replies
6
Views
1K
OoohShiny
OoohShiny
M
What am I missing? 2 great round offers
Replies
3
Views
1K
OoohShiny
OoohShiny
Grilledcheese
Any experiences with James Allen?
Replies
5
Views
6K
Grilledcheese
Grilledcheese
G
Insight and opinions needed on round diamond? TIA!
Replies
2
Views
659
OoohShiny
OoohShiny
Runningmama
Clean Origin solitaire is here! Keeper or no? And band help please.
Replies
4
Views
4K
OoohShiny
OoohShiny
Runningmama
Clean Origin lab diamond
Replies
7
Views
3K
Runningmama
Runningmama
DoeEyes
Almost 6 months after Lightbox launched, has there been a change in lab diamond pricing?
Replies
13
Views
3K
kgizo
kgizo
S
Help! Is this a good Radiant?
Replies
5
Views
911
OoohShiny
OoohShiny
DoeEyes
Lightbox Jewelry To Be Rolled Out To Retailers Within Two Years
Replies
1
Views
901
MissStepcut
MissStepcut
L
Conversation with Zales Salesman
Replies
21
Views
4K
OoohShiny
OoohShiny
jeaniefish
Need advice on this lab diamond please!
Replies
4
Views
826
jeaniefish
jeaniefish
evergreen
MMD wedding band from...a mall jeweler!?
Replies
5
Views
1K
Ally T
Ally T
foxinsox
Custom cut old cuts from Joseph Schubach
Replies
4
Views
3K
xxxxxx
xxxxxx
D
Radiant ASET assessment
Replies
1
Views
754
OoohShiny
OoohShiny
S
Find me a diamond radiant/ cushion
Replies
2
Views
835
OoohShiny
OoohShiny
M
Advice on this Diamond
Replies
1
Views
722
OoohShiny
OoohShiny
Ss52
Oval lab diamond for Strawberries1
Replies
1
Views
913
Strawberries1
Strawberries1
D
Used Lightbox for my three stone ring
Replies
7
Views
3K
dwts
D
sophiapetrillo
Lab Grown Emerald... Eeeeeek!
Replies
4
Views
1K
elizat
E
M
Why Would One Choose MMD Over Real?
  • MTHealthyLiving
2 3 4
Replies
104
Views
16K
jeffportnoy
jeffportnoy
jeffportnoy
Jeremy Clarkson on Lab Diamonds
Replies
4
Views
1K
jeffportnoy
jeffportnoy
R
Lab Grown 3 Carat Diamond.
  • RMI
2
Replies
33
Views
7K
denverappraiser
denverappraiser
swaye2010
Lightbox Pink Diamond
Replies
8
Views
6K
elizat
E
Garry H (Cut Nut)
Are lab grown diamonds more enviro friendly?
Replies
12
Views
2K
Garry H (Cut Nut)
Garry H (Cut Nut)
D
Cushion- expert opinions? Video!
Replies
8
Views
889
Diamondnewb12
D
S
Cushion help?
Replies
2
Views
712
tyty333
tyty333
IolantheJane
I’m trying to decide if I went with the right diamond
Replies
16
Views
2K
tyty333
tyty333
hungryhungrydinosaur
Help! HCA 1.1 but AGS is NOT 0 - light performance concerns?
Replies
13
Views
1K
OoohShiny
OoohShiny
You must log in or register to post here.
Top