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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
690
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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6
Views
6K
pinklemonadegurl
S
New 5-stone Distinctive H&A ring
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10
Views
832
Alybetter
Alybetter
swaye2010
OEC Lab Diamond 2.28 G/VS1 - with 1.84 G/VS brilliant & pear cluster halo in platinum
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16
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1K
petrock<3
petrock<3
F
Choosing a Diamond (and ring) - Help Please!
2
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35
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2K
Diamond Girl 21
Diamond Girl 21
F
Clean Origin Stud Earrings
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10
Views
554
FaBeOFeDe
F
C
Looking for Lab diamond to fit fiance's ring
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22
Views
898
DejaWiz
DejaWiz
dk168
Labs/MMDs Wish List
2
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44
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3K
dk168
dk168
Mrs Flowers
Help me pick out some lab grown diamonds for studs. Lab diamond newbie..
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28
Views
1K
Kim N
Kim N
Buttercookies
Vendor for rose cut lab diamond?
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14
Views
812
Buttercookies
Buttercookies
B
Opinion on JA Oval - 2.04 D VVS1
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14
Views
637
Diamond Girl 21
Diamond Girl 21
C
Using Diamonds from Diamond Crusted Watch on Auction
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6
Views
466
monipod
monipod
Scon_ce
LG Cushion cut—thoughts?
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4
Views
435
Scon_ce
Scon_ce
1
  • Poll Poll
If you participate in the MMD forum... (poll)
2 3
Replies
75
Views
6K
petrock<3
petrock<3
kris01vb
4 prong vs 6 prong…which do you prefer?
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27
Views
1K
_dracarys_
D
A
Princess Cut Decision my
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3
Views
459
oliverave
O
K
Multiple Qs: CVD, post-growth treatment, gray in store light
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6
Views
734
kassia
K
Rathbones
Lab Grown 3.75-4 carat for 30th anniversary!
Replies
20
Views
1K
kris01vb
kris01vb
maisie2
Rings with cushion center and half moon side stones?
Replies
4
Views
756
EClove
EClove
P
Will this diamond sparkle?
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14
Views
715
Ibrakeforpossums
Ibrakeforpossums
R
Need help comparing two ~1ct man made diamonds
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3
Views
373
monipod
monipod
La2020
Criss cut help again! How will this stone perform?
Replies
21
Views
748
Ibrakeforpossums
Ibrakeforpossums
B
Lab Diamond with Crown Angle Outside Excellent Specs. Thoughts?
Replies
11
Views
667
Karl_K
Karl_K
J
2 ct Elongated Cushion Review
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1
Views
471
AprilBaby
AprilBaby
Diamond Girl 21
The First Distinctive Emerald Cut Beauty
2 3
Replies
77
Views
3K
Diamond Girl 21
Diamond Girl 21
HerefortheBling
Opinions on this 3.55 ct Round Lab Diamond
Replies
4
Views
555
pinklemonadegurl
pinklemonadegurl
B
Help with 3.5 ct purchase
Replies
14
Views
842
DejaWiz
DejaWiz
L
1.25 Emerald Cut - ASET + Video - Buy or keep looking?
Replies
11
Views
990
oncrutchesrightnow
oncrutchesrightnow
S
Lab Trapezoids from Ouros-Need opinions please
Replies
16
Views
912
Alybetter
Alybetter
T
I like bad cuts and I cannot lie
Replies
25
Views
1K
CoolKat
C
C
Help to choose Lab-Grown for pendant
Replies
9
Views
680
DejaWiz
DejaWiz
S
2.22CT Marquise D VS1 price
Replies
7
Views
714
Rockdiamond
Rockdiamond
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