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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
Views
688
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
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7
Views
6K
sahariaazmin12
jaqjaqjaq
Just received my Ritani stone
2
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36
Views
1K
MMtwo
MMtwo
Makem
What’s a good size round cut side stones for a 2.4ct round cut center stone?
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4
Views
290
Kim N
Kim N
J
Looking for some guidance on an engagement ring.
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23
Views
774
Kim N
Kim N
P
1st LGD purchase
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4
Views
286
peargal4life
P
G
JannPaul decagon second opinion
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28
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1K
musicloveranthony
M
F
Lab heart diamond
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6
Views
439
dkata
dkata
A
I'm Guest Lecturing at GIA HQ Tomorrow - Beyond the 4Cs of Lab Diamonds - Watch Livestream March 1st @ 3:15PM PT
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6
Views
433
nojs
nojs
S
Suspicious low LGD pricing
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4
Views
540
Septemberwedding
S
L
Oval Toi et Moi setting ideas
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4
Views
410
springsparkle
springsparkle
Round Halo Lover
Opinions on this Round Brilliant
2
Replies
36
Views
882
Kim N
Kim N
B
Where to source lab diamond side stones?
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6
Views
372
bearycute
B
L
Insurance for LGD/MMD
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4
Views
511
Slickk
Slickk
denverappraiser
What’s the biggest LGD these days?
Replies
11
Views
728
Karl_K
Karl_K
Rockdiamond
Proof that reality is setting into LGD prices
Replies
7
Views
663
Karl_K
Karl_K
MsP
Striations: how to ID via photos and in-person
  • MsP
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17
Views
806
MMtwo
MMtwo
S
Lab Diamond Future Cost Projection?
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4
Views
560
oncrutchesrightnow
oncrutchesrightnow
HarrietVane
Lab-grown diamond and natural ruby target ring
Replies
20
Views
787
JV36912
JV36912
momofive
Parks Antique Lab has some nice pears and radiants if anyone is interested.
Replies
1
Views
490
DAF
D
NAVA11182005
What are your thoughts on this ASSET Image from seller
Replies
0
Views
235
NAVA11182005
NAVA11182005
Txborn79
You can now search by CVD/HPHT on Ritani
Replies
7
Views
519
tyty333
tyty333
B
Large and In Charge Emerald Cut?
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23
Views
744
MMtwo
MMtwo
S
How does this Ritani stone look?
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6
Views
371
Kim N
Kim N
T
What do you think of this for an Upgrade for 20year anniversary - KIM, DEJA, Others......
Replies
23
Views
937
AprilBaby
AprilBaby
Rons Wolfe
Diamond Opinions Again?
Replies
9
Views
524
AprilBaby
AprilBaby
dkata
New dress for princess, i.e. new bands for my new solitaire
Replies
12
Views
700
dkata
dkata
F
Heart bezel ring
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2
Views
349
faded264
F
C
Please help with my Asscher cut purchase
2 3 4
Replies
99
Views
4K
lovedogs
lovedogs
T
I purchased my first LGD! How'd I do on this 2.02 carat pear?
Replies
8
Views
630
momofive
momofive
DoubleTrouble
Article says (treated) CVD diamonds should cost 50% of HPHT or "as grown" CVD - is this true?
Replies
6
Views
975
momofive
momofive
twosanguinehearts
Massive old cut
Replies
5
Views
669
MMtwo
MMtwo
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