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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
663
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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7
Views
6K
sahariaazmin12
J
Are these good stones for 4 ctw stud earrings?
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7
Views
789
pinklemonadegurl
pinklemonadegurl
S
Is this a good deal?
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3
Views
684
petrock<3
petrock<3
Sezzwho
Setting options for Distinctive Gem modern rectangular cushion?
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20
Views
2K
petrock<3
petrock<3
AprilBaby
LB finest have arrived!
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12
Views
1K
distracts
distracts
Y
Clean origins setting question
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3
Views
975
Awgchun
A
B
[HELP] I bought a diamond on Etsy. Have I been scammed?
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8
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1K
blingbeginner
B
MMtwo
Odd or unusual diamonds - Lab version
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20
Views
3K
petrock<3
petrock<3
bcmacdonald
Blog WHAM! The Other Shoe Drops
2
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48
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3K
distracts
distracts
N
Opinion on This Diamond from Ritani from a Newbie, Please :-)
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2
Views
484
Nikksyny
N
I
About to bite the bullet - please critique this 2carat/F/Ideal/VS2 lab diamond
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24
Views
1K
DejaWiz
DejaWiz
M
Opinions welcome on three diamonds
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5
Views
417
DejaWiz
DejaWiz
La2020
Vendors to recommend for affortable lab grown non-classic tennis bracelet?
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0
Views
414
La2020
La2020
R
Thoughts on a wedding ring to go with this ring?
Replies
14
Views
902
EClove
EClove
H
Thoughts on this MMD please
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15
Views
420
mwilliamanderson
mwilliamanderson
tkyasx78
Lightbox has set 2 carat lab diamonds in a necklace available.
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3
Views
635
Itchy-feet93
I
A
MMD with crystal/growth remnants inclusions opinion
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3
Views
1K
monipod
monipod
S
Where can I buy R - Z color lab diamonds?
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6
Views
723
monipod
monipod
J
Help with this Aset Scope of this pear diamond
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9
Views
297
blingmeupscotty
blingmeupscotty
S
Same exact emerald cut stone listed at three different prices on rare carat
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5
Views
491
Rockdiamond
Rockdiamond
N
Opinion on Lab Created Diamonds
2
Replies
45
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3K
FL_runner
FL_runner
C
Thoughts on this stone
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21
Views
579
monipod
monipod
tuckie
Vendor suggestion for 2ctw studs?
Replies
15
Views
780
Sprinkles&Stones
Sprinkles&Stones
pinklemonadegurl
THIS. Is. Amazing (nod to Lightbox loose diamond quality)
Replies
21
Views
1K
pinklemonadegurl
pinklemonadegurl
petrock<3
Stack band CADS
Replies
7
Views
563
petrock<3
petrock<3
C
Can you please look at these IGI reports? Narrowed it down to three. Please help me with which is best!
Replies
4
Views
309
Christa H
C
A
Emerald Cut MMD Opinions Requested! (IGI + Pics attached)
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12
Views
846
ariaaaa
A
A
Does this D GIA graded HPHT lab diamond have a blue nuance?
Replies
6
Views
1K
Anttarus
A
singer
Need help choosing a lab diamond…
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13
Views
890
FL_runner
FL_runner
N
Feedback on This Brilliant Earth Lab Diamond, Please!
Replies
11
Views
700
Garry H (Cut Nut)
Garry H (Cut Nut)
737liz
Please dissect this EC, I can't tell what's going on.
Replies
2
Views
508
Karl_K
Karl_K
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