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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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3K
ariel144
dk168
  • Poll
Re-set or leave it as it is?
2
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31
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3K
Dandi
P
Help interpreting IGI report
2
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31
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1K
DejaWiz
Natylad
Independent appraiser claiming that lab grown diamond is not a real diamond and refusing to appraise it!!!
2
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31
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1K
vintageinjune
Alybird
Thoughts on JannPaul's new Octagon Nova?
2
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31
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2K
Alybird
Garry H (Cut Nut)
GIA examines 2 LightBox De Beers diamonds
2
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31
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18K
Garry H (Cut Nut)
S
First time buyer on LGD, looking for advice/guidance.
2
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31
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1K
serenity118
M
Lightbox 2ct. tw. Solitaire Studs in Platinum Setting
2
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31
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6K
MRBXXXFVVS1
Buttercookies
How people respond to your Lab diamond babies
2
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31
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4K
AprilBaby
MMtwo
So blue...for a J
2
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31
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979
MMtwo
L
Ouros five stone diamond ring
2
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31
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4K
Lauralei101
L
Need help with LGD
2
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31
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734
Lucky87C
B
40.4 Pavilion Angle - Deal Breaker or not always?
2
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31
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668
Bea Williams
Z
Lab diamond testing as Moissanite?
2
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31
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7K
Garry H (Cut Nut)
Rockdiamond
  • Poll
Can you tell the difference between Man Made, and Earth mined diamonds?
2
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31
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4K
123ducklings
D
STRMRDR - A decade old update / plea
2
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31
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2K
DejaWiz
Ol-Blue
I have this diamond on the way...
2
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31
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2K
OoohShiny
monipod
Completed! Asscher 3-stone Ring
2
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31
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4K
Ibrakeforpossums
S
Guess the colour
2
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31
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2K
Lisag103
MamaBee
Lightbox new facility and..
2
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31
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4K
OdetteOdile
sprinklesparkles
Vrai settings
2
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30
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7K
monipod
ArielleB
Help finding a HP LGD, please?
2
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30
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560
Kim N
Lisa Loves Shiny
Can We Please Start a Collection Thread for Lovely Diamond Lab Pieces
2
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30
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1K
Lisa Loves Shiny
P
It’s here! Thoughts?
2
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30
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782
Lcorb
0-0-0
Fancy blue lab diamonds
2
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30
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988
0-0-0
Runningmama
Can you please help me find a diamond with these specs?
2
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30
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1K
DejaWiz
Garry H (Cut Nut)
Appeal from Kiev, the growers of biggest LGD's
2
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30
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2K
Garry H (Cut Nut)
Jax172
New Ring from Adiamor
2
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30
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1K
FutureChocolateMLK
Lisa Loves Shiny
Nicole Sent Videos of My New OEC From Ashley at SW Diamond Cutters :)
2
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30
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1K
Cerulean
R
lab grown vs earth grown in a nut shell
2
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30
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2K
swaye2010
Musa15
Just got proposed to! 4.22ct F VS1 Old Mine cushion
2
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30
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1K
danielle622
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