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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 Best Places To Buy Lab-Grown Diamond Jewelry
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2
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ariel144
Antique Chic
We found my blue diamond after 14yrs of waiting!
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24
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3K
MelloYello8
M
  • Poll
Would you want a Lightbox engagement ring?
2
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49
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3K
pinklemonadegurl
L
Trying to understand light performance in colored diamonds
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11
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3K
periwinklegirl
K
Am I getting ripped off?
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4
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3K
EEFranklin
Halogirl1130
Rarecarat
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20
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3K
OoohShiny
S
Lightbox necklace pendant
2
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34
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3K
Miss_LK
R
How much is this "Synthetic" Diamond ring worth?
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3
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3K
Garry H (Cut Nut)
monipod
Lab Asscher arrived. I can't even...
2
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32
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3K
monipod
J
Sanity check on two MMDs and 2nd question related to setting
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11
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3K
periwinklegirl
whitewave
Alright, here I go: lab studs
2 3 4
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93
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3K
whitewave
AprilBaby
Jtv and others mmd
2
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35
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3K
Taurus2313
MMtwo
Odd or unusual diamonds - Lab version
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20
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3K
petrock<3
missy
My quest- Fat emerald cut lab diamond ring- Help appreciated
2 3 4
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100
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3K
Ibrakeforpossums
X
Clean Origin or another source?
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2
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3K
diamondinterested
fiona00004
Full eternity by Ouros
2
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35
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3K
SapphireStyle
K
Buyer's Remorse? Help!
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14
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3K
denverappraiser
drruby
Opinions on top Labs for LGD's?
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2
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3K
denverappraiser
DoeEyes
Been gone for a while, just checking in to see if any vendors are getting close to Lightbox prices for bigger stones yet?
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29
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3K
DoeEyes
D
  • Poll
Need Help Understanding the Difference between two Diamonds
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12
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3K
denverappraiser
oncrutchesrightnow
  • Poll
Theory: what happens now that 2 carat LGDs cost less than the average (U.S.) e-ring?
2
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53
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3K
MRBXXXFVVS1
amillionstars
3 ct Brilliant Earth lab grown diamond studs
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16
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3K
MelloYello8
H
Musings about HPHT vs CVD looking forward the most natural… please weigh in if you have thoughts!
  • h52
2
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46
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3K
Garry H (Cut Nut)
J
Opinion/Recommendations On Lab Diamond (Brilliant Earth)
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5
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3K
JacksonJack
gorri8
  • Locked
Question on synthetic diamond
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19
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3K
ring tutor
P
Is there a price point where LGDs are a no go?
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29
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3K
Philmc99
strawrose
New World Diamonds
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9
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3K
OdetteOdile
Dandi
Has anyone seen lab diamond prices increase recently?
2
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48
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3K
Rockdiamond
S
Quick lightbox review: cushion pendant, cushion studs, round studs; all white
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9
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3K
sunandsky
Inked
My 'upgrade' finally reset, 2.5 Alex Parks OEC
2 3
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63
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3K
Inked
W
Mind clean
2 3
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67
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3K
Peary
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