Provenance Proof Blockchain Participants
Aiming at bringing more transparency to every step of the gemstone’s value chain, the Provenance Proof Blockchain digitally records individual peer-to-peer transactions, creating a virtual ledger secured through cryptography, which is distributed and accessible to the custodian of the gemstone.
You are welcome to join the Provenance Proof Blockchain.
The following companies already did:
Type
Miner

Trader

Cutter

Treater

Jeweller

Retailer

Gem Lab

7thKrown
Canada, North America
AAA Gems & Co.
Pakistan, Asia
Aakarsha Gem House
Sri Lanka, Asia
Afai Consulting BV
Madagascar, Africa
Aimuluo
Colombia, South America
Ajs International
Sri Lanka, Canada, USA, Asia, North America
Alchemy Technologies
India, Asia
Amanda Li Hope
United Kingdom, Europe
Amor Gems Ltd.
Kenya, Africa
Amulet Arts - J. Dewey Design
USA, North America
Anabela Chan Limited
United Kingdom, Europe
Antares Diamonds
Kenya, Africa
Anubhav Gems Pvt Ltd
India, Asia
Anza Gems
USA, North America
ARTANER PARIS
France, Europe
Arzu Koch Designs
USA, North America
Assay Jewelers
USA, North America
Association of Women in Mining
Africa
Baraka Jewelry
Kenya, Africa
Bihoxab Diamonds
USA, North America
BILOKO
United Kingdom, Europe
Black Opal Direct
Australia, Australia
Bliss Lau
USA, North America
Blockwire
South Korea, Asia
Blue Pledge Foundation
USA, Fiji Islands, North America
Bolliger & Company
Thailand, Asia
Boma Jewelry
USA, North America
BomBom Specials
USA, North America
Buzz Internet
Kenya, Africa
bvc tech ag
Switzerland, Europe
C.K. Gems Place (1978)
Thailand, Asia
Cabinet of Curiosity
Hong Kong, Asia
Canada Streaming Inc.
Brazil, South America
Capriotti Mario Eredi S.A.S.
Italy, Europe
CARREN
China, Singapore, USA, Asia, North America
Chayanit Rangsilert
Thailand, Asia
Ceylon Gems
United Kingdom, Europe
Chow Tai Fook Jewellery
Hong Kong, Asia
Chulalongkorn University
Thailand, Asia
Cien Co., Ltd.
Thailand, Asia
Dana Bronfman
USA, North America
DCNZ Ltd.
New Zealand, Australia
Diacolor International DMCC
United Arab Emirates, Asia
D.M. Magalage
Sri Lanka, Asia
D. Swarovski
Austria, Europe
Diamonds and Dreams
Italy, Europe
DUARTE & BASTOS Ltda
Brazil, South America
Dudley Blauwet Gems
USA, North America
East Forth Street Jewelry
USA, North America
Eleora Gems
Zambia, Africa
Eleux Jewelry
USA, North America
Emeralds & Emeralds
Colombia, USA, South America, North America
Emergreen Exports
Hong Kong, China, Asia
EposJewellerySmith
Russia, Europe, Asia
Eshed Diam - Gemstar
Israel, Asia
Fathoo Gems
Sri Lanka, Asia
Fatone Gioielli
Italy, Europe
FIDHAS
Sri Lanka, Singapore, Asia
Filipe Ferreira
Mozambique, Africa
Fine Emeralds Inc.
USA, North America
Firestone and Parson
USA, North America
Flavia Tschanz Goldschmiedin
Switzerland, Europe
Florey & Tavernier
Bahrain, Asia
F'n'L Designs
United Kingdom, Europe
Fred Meyers
USA, North America
Fura Gems
Australia, Australia
Gemfields
United Kingdom, Europe
Gem Century
Madagascar, Africa
Gem Paradise
Sri Lanka, Asia
Gem Research International Lab
Indonesia, Asia
Gem Factor Emeralds
Switzerland, Europe
Gemology LLC
Mongolia, Asia
Gems from Paradise
Canada, North America
GEMS LOVE AFFAIR
Germany, Europe
GGG Laboratory
Brazil, South America
Gilty Club
USA, North America
Global Gemological Laboratory Sdn Bhd
Malaysia, Asia
Global Links
Hong Kong, Asia
Goldschmiede Seubert
Germany, Europe
Greenland Ruby
Greenland, France, North America. Europe
Green International
India, Asia
Gübelin
Switzerland, Europe
Gübelin Gem Lab
Switzerland, Europe
Gulab Diamonds
United Kingdom, Europe
Guilin University of Technology
China, Asia
Hannamori Gems
Malaysia, Asia
Hamed Drammeh (NIG) Ltd.
Nigeria, Africa
HASIMI PIRLANTA
Turkey, Europe
Hwa Chi Construction Co., Ltd.
Taiwan, Asia
Intertradingcentre
Thailand, Asia
J Hyman & Co.
USA, North America
Jai Jamal
Tanzania, Africa
Jessica Silli
Switzerland, Europe
Jewelers Mutual Insurance
USA, North America
Joanna Hardy
United Kingdom, Europe
JOHNNY AND JANE
Thailand, Asia
Joseph Gad
USA, North America
Joseph M. Menzie
USA, North America
Kagem Mining Limited
Zambia, Africa
Knupfer International Gems
USA, North America
Kolye Jewelry
Switzerland, Europe
Label Gem
Madagascar, Africa
Laura Elizabeth Jewelry
USA, North America
Larsen Jewellery
Australia, Australia
Lawson Gems International
Australia
Leso Can Diamonds
Lesotho, Canada, Africa, North America
Leyser
Switzerland, Europe
MACLE Gem Trade Laboratory
Myanmar, Asia
Mabuza Trading Company
South Africa, Africa
Macropact Exim
India, Asia
Maleta Gems and Jewels
Malawi, Africa
Maraismara di Mara Bragaglia
Italy, Europe
Martin Guthmann e.K.
Germany, Europe
MATTURI Fine Jewellery
United Kingdom, Europe
Mega Mining Products CC
Namibia, Africa
Megan Austin Valuations
Australia, Australia
Mensal Emeralds
Colombia, USA, Asia, North America
Mercurius Jewelry
USA, North America
Mevanjara Import Export
Madagascar, Africa
Micah Minerals Corp.
Canada, North America
Mineralien LLC
USA, North America
Ministry of Mines Petroleum and Natural Gas
Ethiopia, Africa
Mkuki Gems & Jewelry Ltd.
Kenya, Africa
mojo design
Switzerland, Europe
Montepuez Ruby Mining
Mozambique, Africa
MuHuaJinHui
Hong Kong, China, Asia
Mulya Handmade Jewelry
Mongolia, Asia
My Laboratory
Thailand, Asia
Nathan Thomas
Germany, Europe
National Gemstone Testing Center NGTC
China, Asia
Nature's Geometry Inc.
Brazil, South America
NCM
Colombia, South America
Ngg Enterprise
Thailand, Asia
Nineteen48
United Kingdom, Europe
NYC Knights
USA, North America
Obsessed Over Gems
USA, North America
Pacific Jewelry
USA, North America
Pari Jewellers
India, Asia
Parlé Jewelry Designs
USA, North America
Persian Viking Mineral
Afghanistan, Asia
Pipat Jewelry
Thailand, Asia
Piyadasa Gems
Sri Lanka, Asia
Pomellato S.p.a
Italy, Europe
Pornchai International
Thailand, Asia
Pracownia Bytomski Bytomska
Poland, Europe
Pranda Jewelry
Thailand, Asia
Prey Productions
Hong Kong, Asia
Prosperity Earth LLC
Madagascar, Africa, USA, North America
Pt. Sutjipto Wahana Kehidupan
Hong Kong, Asia
Quantum
Tanzania, Kenya, Africa
Responsible Gemstone Traders
Australia
Roam Bijouterie
Madagascar, Africa
Royal Gemeralds
China, Asia, Germany, Europe
Rutuli LLC
Nigeria, Africa
sasa fine jewelry
USA, North America
Saskia Shutt Designs
Belgium, Europe
Sanan & Co.
Hong Kong, Asia
Sapphire Studio
Sri Lanka, Asia
SAS ANICETT
France, Europe
SDS Limited
United Kingdom, Europe
Seven Fine Gems
Brazil, South America
Shakya Gems
Sri Lanka, Asia
Shamil Trading
Sri Lanka, Asia
Shanghai Jianqiao University
China, Asia
Sherman Adam
USA, North America
She's Lost Control
United Kingdom, Europe
Shiana LLC
USA, North America
Singapore Gemological Institute
Singapore, Asia
Sissai
Peru, South America
Soham Diamonds
USA, Thailand, China, India, North America, Asia
Soham Shyam Creatives
India, Asia
South Ceylon Gems & Jewellery
Sri Lanka, Asia
Spencer Collection
USA, North America
Srinakharinwirot University
Thailand, Asia
Starcodes Canada
Canada, North America
Stone Code Ltd.
Brazil, South America
Sunrise Enterprises
India, Asia
Susan Wheeler Design
USA, North America
Sunil Investment
India, Asia
Takat Gems
Hong Kong, Asia
Templeofficial
China, Asia
TGA Association
Taiwan, Asia
The Gem and Jewelry Institute of Thailand
Thailand, Asia
Thesis Gems and Jewelry
USA. North America
Tijo Jewellery
Hong Kong, Asia
Ungweluwane Enterprise
Malawi, Africa
University of Arizona
USA, North America
Vargas Partners Group
Brazil, South America
Veerasak Gems
Thailand, Asia
Vibhor Gems and Jewels
India, Asia
Virtu Gem
Kenya, Zambia, Malawi, Africa
Werner Minerals
Germany, Europe
Wonder Jewels DMCC
United Arab Emirates, Asia
Wykes Precision Cut Gemstones
USA, North America
Yangon Gemological Institute and Laboratory
Myanmar, Asia
Zenva Gems
Sri Lanka, Asia
新萬山金銀珠寶銀樓 (NWS Jewel)
Taiwan, Asia
Fabergé
United Kingdom, Europe
Imprinted Portal
South Africa, Africa
Andronyk Studio
Canada, North America
SGL Labs Inc.
United Arab Emirates, Asia
Arkansas Crystalline LLC
USA, North America
CHOPARD
Switzerland, Europe
Exclusive Gems, London
United Kingdom, Europe
C.T. Stones
Madagscar, Africa
Beth Stier Custom Gem & Jewelry
USA, North America
Discoverr.AI
Australia, Australia
Strang & Co.
Australia, Australia
Precious Colors Inc.
USA, North America
Jaipur Emerald Pvt. Ltd.
India, Asia
Vergemont Mining
Australia, Australia
Seda Gems
Australia, Australia
Nhlalala
South Africa, Africa
Lina Saleem
Germany, Europe
The Brian Lawson Company
USA, North America
Brittany Teei
New Zealand, Australia
Laxmi Jewellery Export PVT Ltd.
India, Asia
Mara Eduaba
United Kingdom, Europe
Petroworks
Colombia, South America
Poh Kong Bhd
Malaysia, Asia
ByEmerald
Brazil, South America
Richardson's Jewellers
Australia, Australia
JUVELIR-ZLATAR Valentin Batalak s.p.
Slovenia, Europe
Majesta Gems
Switzerland, Europa
GRA-International. Co. Ltd.
Thailand, Asia
Direct Source Gems
United Kingdom, Europe
Bellerophon | Gemlab
France, Europe