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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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595
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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6
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6K
pinklemonadegurl
A
Should I exchange? Or is this light return normal for a diamond?
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24
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5K
Additionalmatter
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M
Help me find a 2-2.5ct lab engagement ring for a friend!
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9
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1K
OoohShiny
OoohShiny
A
Help! Opinions on these diamonds please.....
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10
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1K
AJaded_09
A
O
Oval diamond advice needed!
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3
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777
OoohShiny
OoohShiny
DoeEyes
Upgrade from .5 to 1 carat
6 7 8 9
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258
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35K
ThiaChelf
T
N
Opinions - good?
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5
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912
Decision_Decisions
Decision_Decisions
T
Guess what I'm getting!
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8
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1K
ThiaChelf
T
L
Another LB question!!
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6
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813
sprinklesparkles
sprinklesparkles
Z
Opinions on an elongated cushion, please!
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6
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1K
zeebee
Z
S
Considering going for this lab diamond
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10
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1K
hollandog
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P
Cheapest source for quality lab diamonds?
2
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33
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7K
Strauberrychick
S
anangel
I joined the 2 carat club! Aka, third time is the charm
2
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34
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3K
diamondseeker2006
diamondseeker2006
W
Help Evaluating An Asscher
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6
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1K
Karl_K
Karl_K
N
Diamond Comparison: 1.53 VVS1 vs 1.53 VS1
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11
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1K
AprilBaby
AprilBaby
J
My Victor Canera setting with CVD 2.7 F VVS1 beauty
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15
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2K
ccuheartnurse
ccuheartnurse
S
What do we think about this diamond?
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10
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1K
Stephaniekate9210
S
A
GIA to End Censorship of Lab Diamond Grades
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4
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913
OcnGypZ
O
M
Poor Polishing?
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2
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794
Serg
S
Eeveepenny
Idealscope images, thoughts?
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8
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1K
Karl_K
Karl_K
anangel
So, who is going to buy the 5.75 F VS1 diamond I saw on IG?
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3
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1K
xxxxxx
xxxxxx
V
Final tips and pointers for diamond selection
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6
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1K
Mavimaui
M
M
Engagement Diamond Stud
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1
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447
anangel
anangel
M
Engagement Diamond Stud
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4
Views
572
mwilliamanderson
mwilliamanderson
A
Pls help rate this diamond! Love from London :)
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3
Views
512
AJaded_09
A
S
New here! Is My future stone any good? Please help!
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12
Views
932
OoohShiny
OoohShiny
S
Is my diamond any good?
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7
Views
562
Stephaniekate9210
S
M
Thoughts on these oval lab diamonds?
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1
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807
OoohShiny
OoohShiny
V
Thoughts on this MMD?
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29
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3K
OoohShiny
OoohShiny
Nlc920
Upgrading diamond/e-ring help
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5
Views
1K
Nlc920
Nlc920
bludiva
lab/natural hybrids?
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16
Views
2K
Ada Diamonds CEO
A
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