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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
603
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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6
Views
6K
pinklemonadegurl
C
Please help my aunt picking her first LGD!
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13
Views
390
concun
C
J
This is what a TIC vs More fire looks like
2
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36
Views
927
Kim N
Kim N
0-0-0
What’s the difference between 2.5 carats and 1.8 degrees in a round?
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3
Views
258
0515vision
0
F
Rose cut bezel set ring
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10
Views
712
MMtwo
MMtwo
GemView
Lab Diamond for a 1 Carat Semi-Bezel Ring
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13
Views
403
GemView
GemView
D
Are these good diamond proportions? The image doesnt display all arrows
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18
Views
530
DejaWiz
DejaWiz
Jax172
New pretty coming this week from David Klass
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17
Views
823
LTCT814
LTCT814
C
Branded vs non-branded LGD
2
Replies
32
Views
871
0515vision
0
G
Stone advice please (help me pick)
2
Replies
43
Views
875
DejaWiz
DejaWiz
M
Considering a five stone anniversary ring with LGD
Replies
11
Views
556
AL12
AL12
jxl311
New member here! Arrival of 2.01 D VS1 35/40.6/55 with videos! Thanks DejaWiz!
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4
Views
357
LightBright
L
V
Help with stone selection for my upgrade
2 3
Replies
62
Views
2K
Kim N
Kim N
K
Oval Diamond Advice
Replies
11
Views
464
ariel144
ariel144
Rockdiamond
  • Poll Poll
Which is worth more, a D color or a J color?
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14
Views
615
ariel144
ariel144
earlygrey1
Opinions please on these cushions
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17
Views
838
earlygrey1
earlygrey1
Klee_Bee
Price difference
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19
Views
432
Klee_Bee
Klee_Bee
ariel144
Opinions please; Antique elongated cushion 3c H vvs2
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8
Views
507
ariel144
ariel144
N
Please help, lab diamonds for earrings
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13
Views
399
Kim N
Kim N
C
Cert or non-cert tennis bracelet?
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11
Views
546
0515vision
0
T
Please help with search for LGD Emerald or Asscher 2.5-3 ct
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3
Views
219
TXwidow
TXwidow
W
Newbie looking at this stone for engagement. Is that a good deal?
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9
Views
264
0515vision
0
J
H&A vs Ideal and which diamond is better?
2
Replies
56
Views
908
Kim N
Kim N
oncrutchesrightnow
When do you think mainstream LGD sellers will start offering silver settings?
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3
Views
213
Daisys and Diamonds
Daisys and Diamonds
ecf8503
Help me find some studs! :)
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8
Views
219
ecf8503
ecf8503
R
Help buying LGD earrings
Replies
15
Views
334
Ramsham
R
0-0-0
Comparison of fancy vivid blue and colorless H&A rounds
Replies
17
Views
511
0-0-0
0-0-0
O
Looking for feedback on ASET images
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13
Views
316
otiecat392
O
K
Need feedback on 3.2ct F, vs1, ideal cut I just bought (video of diamond linked)
Replies
11
Views
329
DejaWiz
DejaWiz
O
Seeking Advice in Choosing Between Several Diamonds
Replies
20
Views
554
otiecat392
O
J
Anyone has experience with Fancy color LGD?
Replies
1
Views
194
0515vision
0
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