Thesis Gems & Jewelry Inc.

@thesisgems

Concierge jeweler. @fairminedofficial gold & traceable gems. Representing @andrea_capello @leenheyne @duffyjewellery @de.vos @noonpassama
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Weeks posts
Outtakes from @tefaf with our small team soaking it in. The art generally felt relevant and relatable. A pleasure to attend. #tefaf #tefaf2026 #tefafnewyork
0 0
1 day ago
Antique and vintage jewelry in NYC, and we found some heavy hitters: Art Deco Colombian emerald ring, Cartier emerald & silver box, Pierre Sterlé shell birdy, Tiffany diamond four leaf clover pin, Suzanne Belperron rock crystal and gold ring, Louis Comfort Tiffany lapis and moonstone ring. Kindly reach out for details. #cartier #louiscomforttiffany #suzannebelperron #antiquefinejewelry #emeraldring
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1 day ago
Client meetings in NYC. We want to show you diamonds that have individual DNA, virtually impossible to clone. #rarediamonds #antiquediamonds #fancydiamonds #customfinejewelry #customdiamondring
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2 days ago
We only will offer you exceptional gems- kindly inquire for details on these rare specimens. #colombianemerald #spinel #antiquediamonds #raregems #naturalsapphires
77 4
3 days ago
2.74 carat N/VS2 2.28 carat M/VVS1 Both true antiques, same price and ohhhhh such different characters. Which would you choose? Comment if you know why the right diamond is almost pink in daylight. #antiquediamonds #oldminecutdiamonds #customdiamondrings #finejewelrydesign #diamondsofinstagram
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6 days ago
Progress on a transcendent custom diamond necklace, fully hand-fabricated in platinum by our master-goldsmith. More to come… #finejewelry #diamondnecklace #handfabricatedjewelry #customdiamondjewelry #diamondjewelry
0 6
9 days ago
Truly original @noonpassama - Large Hook #1, each piece is hand sculpted in clay and then cast into 18 karat gold. No CAD. Noon is a fine artist sculptor from The Netherlands and we are lucky to represent her visionary work at Thesis. Available at Thesisgems.com. #solidgoldjewelry #goldpendant #finejewelrydesign #oneofakindjewelry
0 1
10 days ago
Here is an antique Old Mine Cut with that special metallic tone that’s nearly impossible to describe, like gold crystal. 3.00 carats Fancy Yellow Brown, SI1. #desertdiamond #oldminecut #rarediamonds #fancydiamonds #loosediamonds
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11 days ago
We’ve got a gimme for you this morning- 18k solid gold vintage curb link, 7.25 inches long and 1 cm wide, 67 grams. Buttery links, and just above scrap at $9,000. Won’t last for long. #goldchain #curblink #solidgold #solidgoldcurblinkbraclet #solidgoldjewelry
0 5
13 days ago
Noon Passama’s solid 18 karst gold hook pendants- launching on Thesisgems.com soon 🪝 #goldpendant #anchor #finejewelry #goldjewelry #oneofakindjewellery
0 6
13 days ago
1.21 carat X/SI2 true antique Old Mine Cut with 0.93 carats of GF/VS single cut diamonds set in 18 karat gold by @andrea_capello . Available for purchase on Thesisgems.com. #diamondpendant #oldminecut #antiquediamondjewelry #pendantnecklace #oldminecutdiamondpendant
0 5
17 days ago
What’s more romantic than this Victorian amethyst locket? Engraved high karst gold with seed pearls framing the heart-shaped amethyst in the front and rock crystal in the back. Available for $2,300. #finejewelry #goldlocket #amethystpendant #amethystlocket #victorianjewelry
0 1
18 days ago