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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
Replies
3
Views
641
jstorm
bcmacdonald
Blog Best Places To Buy Lab-Grown Diamond Jewelry
Replies
7
Views
6K
sahariaazmin12
J
Is it moissanite or lab diamond?
Replies
7
Views
824
Daisys and Diamonds
Daisys and Diamonds
Praxis
Yet another Help! with a ~3-3.5ct RB thread (with potentials and a bonus setting question)
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9
Views
437
emmy12
E
DejaWiz
Seems like new and exciting changes at Distinctive Gem!
Replies
5
Views
855
SparkleMax
SparkleMax
J
Old Mine Cushion Opinions?
Replies
5
Views
316
jrfl
J
M
Seeking 2-2.5ct Oval, D-F, VS1+, L/W ratio 1.4-1.5, minimal to no bowtie
Replies
6
Views
308
manhattan_mined
M
N
Help identify this two pieces of raw natural Rock's gem's
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0
Views
140
Nicholas Yelm
N
C
Radiant Diamond Selection
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0
Views
163
CMB2023
C
S
Diamond earrings upgrade - Lab Qs and size
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6
Views
382
0515vision
0
M
Is this windowing?!?!
Replies
9
Views
355
Rockdiamond
Rockdiamond
shellyisa
Trapezoid Help…
Replies
1
Views
189
Rockdiamond
Rockdiamond
dk168
Where to buy LGD melees please?
Replies
6
Views
506
dk168
dk168
SCARLETTE
Help Me Find a Diamond for Necklace
Replies
7
Views
247
DejaWiz
DejaWiz
jeaniefish
Insurance for Lab Diamonds?
Replies
4
Views
491
jeaniefish
jeaniefish
xxxxxx
Which diamond of these two would you pick
Replies
2
Views
168
DejaWiz
DejaWiz
N
Need help please with picking the right pair for earrings
Replies
11
Views
301
Kim N
Kim N
S
Looking for cushion
  • sln
Replies
4
Views
337
Ibrakeforpossums
Ibrakeforpossums
F
Diamond Clarity and Differences in Price -Whiteflash
Replies
9
Views
572
FLNurse
F
G
Terrified, looking for some help!
Replies
7
Views
411
gom712
G
T
Help me pick a stone, please.
Replies
28
Views
455
0515vision
0
Natylad
Independent appraiser claiming that lab grown diamond is not a real diamond and refusing to appraise it!!!
2
Replies
31
Views
1K
vintageinjune
vintageinjune
C
Need 3/4 eternity with .50 ct stones ASAP (Lab Diamonds) (3.5 - 4.5 CTW)
Replies
4
Views
324
Kim N
Kim N
L
Why are smaller diamonds more difficult to find?
Replies
7
Views
468
Karl_K
Karl_K
dkata
Please help me find an old mine lab diamond
Replies
3
Views
305
Slickk
Slickk
A
Ideal cut H&A lab diamond melee: easy to source? Takara diamonds?
Replies
9
Views
509
Alybird
A
Runningmama
Pear wedding set: facing point up or point down?
Replies
18
Views
591
cushioncutnut
cushioncutnut
J
Need help for getting a lab diamond for an engagement ring
Replies
4
Views
476
tyty333
tyty333
alene
  • Poll Poll
Do you see a difference in size?
Replies
17
Views
525
Natylad
Natylad
C
Is this the one?
Replies
4
Views
232
cnguyen1104
C
basil
Which one is better?
Replies
2
Views
171
lovedogs
lovedogs
petit_bijou
Which setting should I choose for studs?
Replies
0
Views
150
petit_bijou
petit_bijou
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