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Forum
Diamonds and Jewelry
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Lab-Grown Diamonds/Man-Made Diamonds (MMD)
New posts
Learn about and discuss everything on lab-grown diamonds here! No simulants (CZ, Moissanite, YAG, etc), please.
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Featured Topics
Blog
Best Places To Buy Lab-Grown Diamond Jewelry
bcmacdonald
Jan 4, 2023
Replies
6
Views
5K
Apr 4, 2025
pinklemonadegurl
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GIA on HPHT synthetics. Fall 2017.
denverappraiser
Nov 10, 2017
Replies
2
Views
2K
Aug 1, 2019
OoohShiny
B
Please help me choose
berries
Aug 1, 2019
Replies
2
Views
819
Aug 1, 2019
berries
B
Poll
Poll
August Vintage Lab grown diamonds poll
Rpb
Oct 5, 2018
2
3
4
Replies
118
Views
17K
Jul 29, 2019
muesli
Differences between Laboratory Grown/MMD and Natural/Mined diamonds
OoohShiny
Jul 27, 2019
Replies
2
Views
1K
Jul 28, 2019
OoohShiny
Melee sources?
Antique Chic
Jul 4, 2019
Replies
22
Views
2K
Jul 25, 2019
OoohShiny
How Do Blue MMD's Get Their Color?
elle_chris
Jul 8, 2019
Replies
11
Views
1K
Jul 22, 2019
elle_chris
M
Interesting JCK Article on State of MMD Industry and Capabilities
Matthewgolf34
Jul 18, 2019
Replies
3
Views
805
Jul 19, 2019
elle_chris
Northern Lights?
MakingTheGrade
Jul 18, 2019
Replies
3
Views
1K
Jul 19, 2019
OoohShiny
M
Brilliant Earth Price Drop / Diamond Review
Matthewgolf34
Jun 15, 2019
Replies
12
Views
4K
Jul 8, 2019
OoohShiny
3 ct Brilliant Earth lab grown diamond studs
amillionstars
May 29, 2019
Replies
16
Views
3K
Jul 7, 2019
MelloYello8
We found my blue diamond after 14yrs of waiting!
Antique Chic
Jun 7, 2019
Replies
24
Views
3K
Jul 5, 2019
MelloYello8
J
Right proportions? Looking to exchange
joshhca
Jul 2, 2019
Replies
6
Views
1K
Jul 3, 2019
ForSeas
R
Super ideal proportions and symmetry but Ideal Scope shows light leakage - why!
rbank
Jun 29, 2019
Replies
12
Views
3K
Jul 1, 2019
Elsa2006
E
Do you love the lightbox new blue?? I do!
pearaffair
Jun 9, 2019
Replies
10
Views
3K
Jul 1, 2019
mrsthirdcharms
M
Help selecting princess cuts for diamond studs please.
Maude Bird
Jun 22, 2019
Replies
12
Views
1K
Jun 28, 2019
OoohShiny
A
GCAL Lab Made
ajfc1987
Jun 8, 2016
Replies
7
Views
13K
Jun 28, 2019
jeaniefish
Ring set with Lightbox diamond
mrsthirdcharms
Jun 25, 2019
Replies
8
Views
4K
Jun 27, 2019
mrsthirdcharms
1.73 Clean Origin solitaire upgrade (pic heavy) with vendor review
Runningmama
Jun 12, 2019
Replies
12
Views
4K
Jun 26, 2019
xxxxxx
C
Questionable Pricing for a James Allen diamond
chimikey606
Jun 10, 2019
Replies
9
Views
2K
Jun 22, 2019
OoohShiny
C
What are your thoughts on the emerging labgrown diamond market?
Celes Ventures
May 27, 2019
2
Replies
46
Views
6K
Jun 21, 2019
mrsthirdcharms
4 carat MMD Brilliant Cushion
swaye2010
Jun 16, 2019
Replies
10
Views
2K
Jun 20, 2019
OoohShiny
AUSTFA form help
Grilledcheese
Jun 20, 2019
Replies
2
Views
828
Jun 20, 2019
Grilledcheese
M
33.5 degree crown and black edge. Help!
Matthewgolf34
Jun 13, 2019
Replies
6
Views
1K
Jun 14, 2019
OoohShiny
M
What am I missing? 2 great round offers
Matthewgolf34
Jun 12, 2019
Replies
3
Views
995
Jun 14, 2019
OoohShiny
Any experiences with James Allen?
Grilledcheese
Jun 13, 2019
Replies
5
Views
6K
Jun 13, 2019
Grilledcheese
G
Insight and opinions needed on round diamond? TIA!
gradstudent112
Jun 9, 2019
Replies
2
Views
648
Jun 12, 2019
OoohShiny
Clean Origin solitaire is here! Keeper or no? And band help please.
Runningmama
Jun 10, 2019
Replies
4
Views
4K
Jun 12, 2019
OoohShiny
Clean Origin lab diamond
Runningmama
Jun 2, 2019
Replies
7
Views
3K
Jun 7, 2019
Runningmama
Almost 6 months after Lightbox launched, has there been a change in lab diamond pricing?
DoeEyes
Mar 13, 2019
Replies
13
Views
3K
Jun 7, 2019
kgizo
S
Help! Is this a good Radiant?
sparkleandfire
Apr 20, 2019
Replies
5
Views
896
Jun 7, 2019
OoohShiny
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