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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
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1K
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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6
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7K
pinklemonadegurl
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Newbie seeking design advice on small lab diamond flower pendant
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11
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335
allieg
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M
Emerald Cut Assistance
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6
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263
0-0-0
0-0-0
D
Hi
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5
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213
diverg
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N
Help - Need reasonable, honest, but great quality ring maker recommendations!
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16
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625
Summertime_girl
Summertime_girl
MMtwo
Your Latest Jewelry Purchases/Things You're Considering (Lab Grown Version)....
2 3 4 5
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138
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8K
Ibrakeforpossums
Ibrakeforpossums
Rubygirl13
From 3 carat round to 4 carat oval.
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4
Views
445
Matthews1127
Matthews1127
S
Help finding cushion cut 2 ct
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25
Views
450
superk02
S
C
HPHT or CVD JP stone?
2
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30
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1K
DiamondDuck
DiamondDuck
T
Advice on oval diamond - bowtie worries!
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5
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201
DejaWiz
DejaWiz
C
OEC diamond check!
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2
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185
WinterCamellias
WinterCamellias
C
Jannpaul round 10 vs decagon 10? Which one would you prefer + why? Previously settled on the decagon with two options and now I’m doubting everything!
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7
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486
Shiyui
S
ashdawnp
Oec g color 5 carat lab diamond opinions needed please
2
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42
Views
952
ashdawnp
ashdawnp
DiamondDuck
"Melee diamonds HPHT is whiter, CVD is slightly lower quality to look like natural" how accurate is this?
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3
Views
284
ashdawnp
ashdawnp
Analysis Paralysis
Need Help Identifying the Perfect Oval Diamond
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7
Views
247
Analysis Paralysis
Analysis Paralysis
oobiecoo
Id Jewelry tennis bracelets?
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2
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265
purplesilk
P
diamondhoarder
Cheaper Alternatives to Brilliant Earth who carry the same inventory?
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9
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4K
Garry H (Cut Nut)
Garry H (Cut Nut)
RudolfHarras
Opinon needed
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1
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133
tyty333
tyty333
LolaBean12
Please Help with Round Solitaire Evaluation
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5
Views
199
LolaBean12
LolaBean12
Quiet Domino
Asscher Confusion!
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3
Views
229
Quiet Domino
Quiet Domino
tluu20902
Please help me evaluate this emerald cut ring
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1
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153
tyty333
tyty333
C
Ideal vs. Ideal plus ? Is this a thing?
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4
Views
194
cashton13
C
Kasey Bug
My brain is MUSH, help me with this OEC diamond please.
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3
Views
290
HGar
H
spicynoodles
How do I evaluate these princess cut diamonds without more photos
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14
Views
403
DejaWiz
DejaWiz
B
8ct vs 7ct
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4
Views
327
Matthews1127
Matthews1127
C
looking for a little help in the round department @dejawiz
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6
Views
157
cashton13
C
C
I need some help choosing!
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5
Views
115
cashton13
C
ariellenlv
Thoughts on this diamond
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10
Views
247
DejaWiz
DejaWiz
KiloSierra
It’s here! 6.07 leggy Emerald in 18kt gold with some friends!
2 3
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73
Views
3K
Oneys mom
Oneys mom
apt277
Can I get your input on this Oval?
Replies
12
Views
289
apt277
apt277
Lynniiee
How to source a good quality oval?
Replies
10
Views
328
Lynniiee
Lynniiee
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