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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.

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bcmacdonald
Blog Lab-Grown Diamond Prices - June 2025
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3
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601
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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6
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6K
pinklemonadegurl
J
Lost and confused, would love some help on Oval Diamonds in YG setting
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1
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623
monipod
monipod
FL_runner
With Clarity Sparkler!
2
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30
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4K
FL_runner
FL_runner
A
Bought this J VS1 with blue nuance, came in today ... what do you think?
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9
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5K
MMtwo
MMtwo
whitewave
Charles and clovard are selling MMD now
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1
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1K
MeowMeow
MeowMeow
A
Help me choose between these two diamonds
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4
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492
aw08
A
A
Looking at a 4+ Carat Round - Which of the 3 is best?
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6
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1K
ashapir3
A
B
Head to head - which is better?
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5
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831
Garry H (Cut Nut)
Garry H (Cut Nut)
S
Difference in cut for lab vs Mined?
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27
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2K
sparklythings12
S
S
Will a K color look okay in yellow gold?
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6
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1K
Sprinkles&Stones
Sprinkles&Stones
S
DK Emerald mmd eternity ring - opinions please
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4
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1K
AprilBaby
AprilBaby
Garry H (Cut Nut)
My tuppence on Man made Diamonds
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9
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4K
GoldenTouch
GoldenTouch
J
Advice for a Lab Created Newbie
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5
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966
123ducklings
1
A
Which rock shines better?
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2
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695
tyty333
tyty333
Rpb
2 ctw. Lightbox white diamond stud earrings
  • Rpb
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7
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3K
MRBXXXFVVS1
M
A
Which 3.5 is best
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1
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624
AprilBaby
AprilBaby
A
Diamond advice - j color with blue hugh
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5
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900
Decision_Decisions
Decision_Decisions
A
Diamond advice - blue nuance J color
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7
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2K
xxxxxx
xxxxxx
A
Help with J blue diamond
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4
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784
OoohShiny
OoohShiny
A
Down to these 4 - help selecting the best stone
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5
Views
528
Kim N
Kim N
S
  • Poll Poll
Help choosing between two LG round brilliants - thank you in advance!
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13
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2K
Kim N
Kim N
A
Which stone is best?
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0
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359
ashapir3
A
FL_runner
Lightbox 2ctw in 14k preorder
2 3
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68
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9K
Garry H (Cut Nut)
Garry H (Cut Nut)
M
Second opinion - first time buyer
2
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39
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3K
moustafelsawy
M
Antique Chic
Game changer
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1
Views
512
sparklyshrink
S
A
Which of the two is best?
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2
Views
496
vintageinjune
vintageinjune
1
Lightbox 25% off at Reed’s
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21
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3K
Kim N
Kim N
M
Fyi: News article about creating lab diamonds
  • Mlh
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4
Views
854
VDK1
V
A
Help with diamond please
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1
Views
404
anangel
anangel
A
Help me with this stone please
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4
Views
537
xxxxxx
xxxxxx
A
Please help: Does this diamond have good brilliance?
Replies
5
Views
843
OoohShiny
OoohShiny
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