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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.

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bcmacdonald
Blog Lab-Grown Diamond Prices - June 2025
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3
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596
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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6
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pinklemonadegurl
Eeveepenny
Diamond experts help, I need fire!
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21
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123ducklings
1
Eeveepenny
Show me your cathedral CAD
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2
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945
123ducklings
1
AprilBaby
Introducing my 2.10 , I, Vs1 sparkle bomb! 12Fifteen on Rare caret
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14
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993
Eeveepenny
Eeveepenny
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Fancy Cut Pendants
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9
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1K
monipod
monipod
C
Opinions on this 1.2ct stone
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6
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965
mwilliamanderson
mwilliamanderson
F
Gcal report decision
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5
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1K
purecarats
purecarats
Polished1911
Custom Cut Kite / Lozenge Ouros Jewels
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4
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OoohShiny
OoohShiny
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Charles and Colvard selling Manmade Diamonds
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6
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sparklyshrink
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H
  • Poll Poll
Your opinion on these 3?
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27
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2K
hollandog
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anangel
  • Poll Poll
Would appreciate opinions on bands ❤️
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16
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1K
anangel
anangel
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QVC lab created studs
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24
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2K
ThiaChelf
T
S
Poor Grad Student & $1000 Engagement Diamond Help
2 3
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75
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6K
AprilBaby
AprilBaby
B
Please help me choose my first diamond (OVAL)
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3
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815
OoohShiny
OoohShiny
B
Can someone help me analyze the IGI certification?
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2
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535
OoohShiny
OoohShiny
R
Feedback on Lab Oval
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15
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2K
Robinbby
R
mrsthirdcharms
Pulled the trigger... now I’m holding my breath!
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27
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2K
mrsthirdcharms
mrsthirdcharms
B
Opinions on this lab grown diamond
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6
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1K
monipod
monipod
C
Thoughts on this (almost pulled a trigger but HCA 2.3 made me think!) 1.32ct
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20
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2K
mwilliamanderson
mwilliamanderson
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  • Poll Poll
Which of these 3 would you choose?
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4
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531
Grade0922
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Thoughts on this MMD?
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23
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2K
ThiaChelf
T
mrsthirdcharms
Loose IGI CVD stones listed on Amazon
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10
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1K
Eeveepenny
Eeveepenny
A
Second opinions please!! Should I buy...
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6
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998
monipod
monipod
S
Thoughts on these Emerald Cuts from VRAI
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18
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6K
sparklyshrink
S
S
OMG it came!
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9
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1K
123ducklings
1
T
New world diamonds?
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6
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2K
ThiaChelf
T
T
ITS HERE!!!! 0.86 MRB SOLITAIRE
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15
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1K
ThiaChelf
T
A
Lab Grown Diamond Help!
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5
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1K
xxxxxx
xxxxxx
S
What is wrong with this diamond?
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4
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987
OoohShiny
OoohShiny
N
Help with this ASET?
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0
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330
natedogg
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S
I did it! I ordered my first MMD for a ring. Can anyone look at these ASET images?
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6
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782
ThiaChelf
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