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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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444
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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6
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6K
pinklemonadegurl
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Opinions on this diamond
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29
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415
freddyboston
freddyboston
Summertime_girl
Opinions on these ovals
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5
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132
Summertime_girl
Summertime_girl
Summertime_girl
Opinion on HPHT
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9
Views
402
0-0-0
0-0-0
echelon6
Loosegrown so cheap! any alternatives?
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9
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619
Texas Leaguer
Texas Leaguer
S
Opinion on these cushion LGD
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2
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165
molecule
M
S
Sharing my custom 2.99 carat lab OEC by Ashley with SW cutters :)
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7
Views
538
0515vision
0
GemView
Do you trust preowned diamond jewelry to be correctly identified as lab vs. earth-mined these days?
2
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33
Views
796
nala
nala
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2ct round with halo to large?
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13
Views
298
diverg
D
H
Show me your large (5+ carat) diamonds! Bonus points for antique cuts
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29
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2K
Halogirl1130
Halogirl1130
MrsT
What can I learn from this video
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28
Views
661
DejaWiz
DejaWiz
Lynniiee
Help me narrow down this list of lab ovals?
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15
Views
367
Lynniiee
Lynniiee
ShinyPink
Assistance with Blue LGD
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4
Views
167
ShinyPink
ShinyPink
P
GCAL diamonds
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11
Views
474
Summertime_girl
Summertime_girl
Z
Thoughts on this oval diamond for engagement ring?
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2
Views
174
DejaWiz
DejaWiz
R
Sourcing a large antique Emerald cut
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21
Views
999
ruffrock
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C
Upgrade little round help
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12
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231
cashton13
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M
4 carat round brilliant: Whiteflash, Ada, JP
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2
Views
328
MackPUK
M
R
Need help finding emerald cut
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1
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128
rjmr
R
L
Looking for 3 carat (6 ct total) lab grown round studs
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0
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138
lhaiat
L
N
Which oval diamond is better?
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8
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359
Nikac11
N
A
Round solitaire suggestions!
3 4 5 6
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159
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4K
Matthews1127
Matthews1127
echelon6
Understanding fancy colors
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3
Views
184
Rockdiamond
Rockdiamond
1
Thoughts and opinion on this pear lab diamond for an engagement ring.
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0
Views
130
1anddone
1
Halogirl1130
Help finding OMC or OEC lab diamond
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0
Views
154
Halogirl1130
Halogirl1130
Summertime_girl
Opinions on LG oval diamond
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1
Views
137
MissGotRocks
MissGotRocks
R
Need help findind 1:4 ratio old mine cushion
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2
Views
143
rjmr
R
G
Finding lab diamonds to match natural I color round
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0
Views
116
greenteabiscuit
G
A
Newbie seeking design advice on small lab diamond flower pendant
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11
Views
319
allieg
A
M
Emerald Cut Assistance
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6
Views
234
0-0-0
0-0-0
D
Hi
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5
Views
205
diverg
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