r/SyntheticGemstones is a subreddit with 26k 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 vendor post, photo/video, question, 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
Vendor Post
: "Unicorn sapphire 2.04ct ( custom order )"
50 posts
#2
Photo/Video
: "Fantasy cut sapphire ring ✨"
41 posts
#3
Question
: "Struggling to find lab parti sapphires"
23 posts
#4
Discussion
: "3.74ct Periwinkle Blue lab Sapphire."
5 posts
#5
CAD check
: "In love with this lab sapphire ring"
5 posts
#6
Buying Experience
: "My 2nd purchase from House Of Sylas - 33 ct Czochralski lab sapphire, House Of Sylas custom cushion cut."
4 posts
#7
Redit Commission
: "Sharing a Reddit commission ✨ My client turned 30 and wanted to celebrate with a gift to themselves. 9mm Alexandrite cut in Marcos design Fritillaria (modified), with lab diamond pears, set 14kt petal basket. All custom made and tailored by me. Happy Tuesday!"
2 posts
Member Growth in r/SyntheticGemstones
Yearly
+6k members(32.2%)
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About
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Last updated: September 13, 2026