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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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695
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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6
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6K
pinklemonadegurl
aapple0112
Is this so called blue nuance?
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13
Views
964
aapple0112
aapple0112
Garry H (Cut Nut)
Growing diamonds at home
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6
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457
oncrutchesrightnow
oncrutchesrightnow
I
Advice needed, why is there such a big price difference?
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10
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642
irdiamondds
I
W
Mind clean
2 3
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67
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3K
Peary
Peary
Mreader
Question about Alex’s lab stones
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11
Views
772
Mreader
Mreader
Tigerlilyrosepetal
  • Poll Poll
First Lab: which setting for it?
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6
Views
550
Kim N
Kim N
L
Seeking opinions on stone choice!
  • Lau
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11
Views
758
Lau
L
M
Question about GCAL 8x and lab diamond evaluation
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18
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2K
WilliamBayless
WilliamBayless
Jax172
Help me find a stone for this setting
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15
Views
548
Jax172
Jax172
Musa15
Does anyone have pics of their Lightbox fancy shapes? Cushion/baguette?
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1
Views
409
2B2
2B2
A
Can you guys give me opinion on this lab stone?
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5
Views
291
akirax2578
A
Jax172
Plans for my 1.84 E VS2 GCAL 8x
2
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36
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1K
ItsMainelyYou
ItsMainelyYou
R
Looking to pair JA LGD diamonds for studs
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5
Views
281
Rosieblue
R
S
Please help me pick 3ct GCAL 8x for ring!
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2
Views
443
Sparklyeyes
S
shellyisa
Feedback on Ritani around Brilliant…tinge?
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3
Views
354
Kim N
Kim N
D
Can you help me find the biggest rock I can for $1100 not including setting?
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9
Views
483
diamondyes
D
M
Crown Angle / Pavilion Angle Feedback
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19
Views
771
DejaWiz
DejaWiz
P
Choosing between two pear-shaped diamonds for an engagement ring - need advice! :)
2
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30
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1K
Calliecake
C
D
Assistance in picking an oval diamond for an engagement ring
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6
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582
kgizo
kgizo
J
Need help from experts DejaWiz and Kim N!
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4
Views
413
jdierks1
J
M
Advice for 1.4 Carat
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17
Views
710
Milkyway103
M
whitewave
Brian Gavin has ideal cut ovals
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5
Views
543
kb1gra
kb1gra
Garry H (Cut Nut)
How Governments can change words and meanings
2
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35
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1K
Garry H (Cut Nut)
Garry H (Cut Nut)
phatenigma
Requesting opinions on ASET of emerald cut diamond
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13
Views
535
Garry H (Cut Nut)
Garry H (Cut Nut)
whitewave
Do you have to sign for ritani?
Replies
10
Views
636
LilAlex
L
C
Opinion on this LGD
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9
Views
339
Kim N
Kim N
2
Would appreciate your opinion
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9
Views
560
DejaWiz
DejaWiz
S
First time buyer on LGD, looking for advice/guidance.
2
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31
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1K
serenity118
S
aapple0112
  • Poll Poll
Please help choose bail style for my pendant
Replies
6
Views
730
aapple0112
aapple0112
T
Feedback on Lab Diamond for Engagement Ring
2
Replies
40
Views
2K
Kim N
Kim N
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