r/SyntheticGemstones is a subreddit with 27k members. The community frequently discusses sapphire, lab, emerald, alexandrite, and stone, and they frequently recommend/review vendors and vendor.
Welcome! This is a subreddit dedicated to synthetic gemstone discussions, CAD reviews, lab gemstone evaluations, rings & jewelry share! We have a list of approved small business vendors and lapidaries that can help you source or cut your precision gemstone. Please check the menu under ‘See More/Menu or Community Highlights’
Please read through our ‘New Start Guide’ pinned at the top of this sub. Check out our menu for FAQ and reference material.
Gems for sale - see r/labdiamondgemstoneBST
Popular Topics in r/SyntheticGemstones
#1
Sapphire
123 posts
#2
Lab
60 posts
#3
Emerald
53 posts
#4
Alexandrite
35 posts
#5
Stone
30 posts
#6
Ruby
28 posts
#7
Gemstone
21 posts
#8
Jewelry
20 posts
#9
Design
17 posts
#10
Lab Grown
17 posts
Member Growth in r/SyntheticGemstones
Yearly
+7k members(33.8%)
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About
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Last updated: October 8, 2026