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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
Replies
3
Views
596
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
Replies
6
Views
6K
pinklemonadegurl
OboeGal
Bad Experience with Loose Grown Diamond
2
Replies
45
Views
3K
lala646
lala646
cushioncutnut
My early 35th anniversary present!
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20
Views
527
cushioncutnut
cushioncutnut
J
yellow nuance
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6
Views
191
Karl_K
Karl_K
CSpan
Help, trying to decide in a hurry OEC LG
2
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46
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1K
Dreamer_D
Dreamer_D
J
Strong Windowing in Emerald Cut, Engagement planned for next week...Help
2 3 4
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98
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3K
0515vision
0
OboeGal
Need Feedback on OEC, Please
2 3
Replies
86
Views
2K
LightBright
L
M
Quality check. Blue/hazy?
  • Mlh
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4
Views
144
Mlh
M
J
Help Please - Damage to diamond (potentially by jeweler)
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15
Views
469
Natylad
Natylad
D
Advice/Recommendations for LGD for an engagement ring.
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0
Views
122
Distances
D
R
Wife's bday in 10 days, best place to find lab grown stud earrings?
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11
Views
441
ryan23
R
G
Almost perfect proportions but is it a hazy CVD? Please advise.
Replies
5
Views
295
GCan
G
J
Trusted jewelers for Yellow Diamond
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11
Views
302
lovedogs
lovedogs
B
Need help - RB 3.2 - 3.6 for E Ring
2
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38
Views
928
btme
B
J
input please #11
Replies
3
Views
141
Karl_K
Karl_K
E
Advice on a CVD diamond
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9
Views
318
joe2
J
J
input please #10
Replies
16
Views
164
joe2
J
O
Help shopping for 2ct Hearts and Arrows Cushion Cut
Replies
21
Views
328
cushion4eva
C
L
Opinions on this Lab cushion?
Replies
10
Views
307
lovedogs
lovedogs
Alybetter
So Jewelers can now easily assess whether a diamond is natural or lab?
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8
Views
886
Alybetter
Alybetter
J
input please #9
Replies
7
Views
233
joe2
J
princessk
Please help in choosing 6ctw for my 60th diamond studs!
Replies
3
Views
205
0515vision
0
C
OEC eval- GCAL attached. What do we think?
Replies
10
Views
346
CountryRoads
C
FixrUpper
Help, need feedback on Elongated Cushion, please.
Replies
0
Views
106
FixrUpper
FixrUpper
P
What's the windowing or light leakage like for this pear diamond?
Replies
7
Views
184
Dreamer_D
Dreamer_D
K
Thoughts on this Lab Diamond
Replies
10
Views
287
molecule
M
C
Setting this funky colored lab emerald cut
Replies
11
Views
362
ChickityChicken
C
D
Crazy stupid LGD pricing? Or the new normal?
2
Replies
42
Views
4K
OboeGal
OboeGal
Scooba116
Opinions on this stone for a pendant
Replies
4
Views
185
Scooba116
Scooba116
H
How does this one look -- would appreciate feedback!
Replies
5
Views
121
hkdia
H
D
Thoughts on this stone and help finding comparable for less
Replies
9
Views
262
Karl_K
Karl_K
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