r/SyntheticGemstones is a subreddit with 25k members. The community frequently discusses sapphire, lab, emerald, alexandrite, and stone, and they frequently recommend/review vendors and vendor, and the most common flair used is question, vendor post, photo/video, discussion, and cad check.
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
Products Discussed in r/SyntheticGemstones
Flair Used in r/SyntheticGemstones
#1
Question
: "Struggling to find lab parti sapphires"
23 posts
#2
Vendor Post
: "Unicorn sapphire 2.04ct ( custom order )"
20 posts
#3
Photo/Video
: "Sakura pink sapphires check"
17 posts
#4
Discussion
: "4.2ct. lab ruby Domed Honeycomb round."
6 posts
#5
CAD check
: "In love with this lab sapphire ring"
6 posts
#6
Buying Experience
: "My 2nd purchase from House Of Sylas - 33 ct Czochralski lab sapphire, House Of Sylas custom cushion cut."
5 posts
#7
Interview/Education Series
: "Ever wonder about how synthetic gems are priced? Why do lab sapphires have such drastically different prices? How cheap can lab diamonds get? Hopefully that's all explained here!"
1 post
Member Growth in r/SyntheticGemstones
Yearly
+6k members(31.4%)
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About
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Last updated: August 10, 2026