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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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699
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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6
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6K
pinklemonadegurl
T
Opinions on these round lab diamonds?
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7
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434
Kim N
Kim N
xxxxxx
3ctw. Ideal cut studs - Advice needed!
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8
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659
Kim N
Kim N
W
Lab grown engagement ring
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25
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1K
joey_v
J
B
Looking for 2ct lgd for pendant
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7
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436
barkybarkybarky
B
L
Help deciding between 2 round brilliant
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9
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372
Kim N
Kim N
T
Second opinion on radiant diamond
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12
Views
592
Trixie28
T
J
Will all lab grown diamonds have an underlying hue?
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9
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989
monipod
monipod
glitterbomb
5.01 ct D / VVS2 lab diamond ring from Adiamor
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15
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2K
joey_v
J
S
How bad is this bowtie in my 2.35 carat pear shape diamond? I need to figure out if i should exchange it or not.
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20
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1K
joey_v
J
P
Second Opinion on this 2.5CT Oval Please
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5
Views
427
Pickapeppa
P
D
Looking for an engagement ring! Advice please!
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2
Views
420
Kim N
Kim N
Eeveepenny
I am now a proud owner of a MMD
2
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49
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5K
Larisa
L
X
1.62 Carat lab diamond review (H&A)
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4
Views
775
xmidox
X
J
Looking for second opinion on lab diamond
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18
Views
547
Kim N
Kim N
D
Looking for a second opinion on ~3 ct round (ASET included) - recs also welcome!
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3
Views
355
DejaWiz
DejaWiz
I
Need Opinion on Cut
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15
Views
575
itsviv
I
F
Help w/ Elongated Cushion Lab Diamond
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11
Views
999
AL12
AL12
D
Jeweller refusing to provide IGI report number prior to purchase
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17
Views
749
ariel144
ariel144
V
Torn between 4 carat mined or lab created diamond
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21
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2K
ariel144
ariel144
G
Long time lurker - Now it's go time. Please help a newbie find an engagement stone.
2 3 4
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95
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3K
Kim N
Kim N
itsfake
VS1 F 2.07 carat ideal cut light performance!!!
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13
Views
860
itsfake
itsfake
brandelyn_
Please help figure out if this lab-grown blue diamond is the ONE - it doesn't need to be perfect, but I can't tell how it will sparkle! Videos & pics
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14
Views
730
Kim N
Kim N
itsfake
What do you guys think...? 2.07 carat super ideal
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25
Views
645
itsfake
itsfake
pk888
Advice needed: Purchasing first loose lab grown diamond
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5
Views
873
Kim N
Kim N
vetrik
1.73 Faint Pinkish Brown MMD
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16
Views
3K
Jax172
Jax172
T
Help a newby with diamond studs for the wife
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3
Views
462
xxxxxx
xxxxxx
MMtwo
Big Bird yellow; lab FIY diamond
2
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42
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2K
MMtwo
MMtwo
J
Please help me pick a stone!
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11
Views
609
Kim N
Kim N
J
Color Difference in D, E, F & G
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17
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2K
icy_jade
icy_jade
C
Sharing the stone I chose for a RHR/anniversary ring!
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11
Views
802
petrock<3
petrock<3
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