Gemstones

AJS Gems
Importer and exporter of rough and polished gemstones for the gem industry, gem cutters, jewelers, lapidaries and collectors.
http://www.ajsgems.com/

Algemco Hassam Ventures
Faceted gemstones and facet rough from Nigeria.
http://www.hassamventures.com

All That Glitters
Features a wide range of gemstones, crystals, and some jewelry.
http://www.atggems.com/

Allied Rough & Cut Gems
Australia based supplier of facet rough and loose faceted gemstones. Origin of gemstones is mainly Afghanistan, Pakistan, Thailand and Burma.
http://www.arcgems.com

Angara
Loose sapphires, rubies, emeralds, tanzanites, aquamarines and some diamonds. Build your own functionality for finished jewelry.
http://www.angara.com

ARC International
Pakistan and Afghanistan-sourced faceted gemstones, facet and cabbing rough. Features peridot, afghan tourmaline, kunzite, sapphires and lapis lazuli. Some Afghan finished jewelry.
http://www.arc-int.biz

Astro Gallery of Gems
Uncommonly fine specimen collections of minerals, rocks, crystals and unusual gemstone formations.
http://www.astrogallery.com

Astrological Gem
"Jyotish" gemstones - loose untreated natural faceted and cabochon gemstones for Vedic Astrology & Ayurveda uses. Notable information about Vedic usage, links to sourcing and mining articles.
http://www.astrologicalgem.com

Aurora Ammolite Mine
Unique Ammolite gem site. Pictorial info on history, origin, properties, and mining of these fossilized ammonites. Finished stones for purchase.
http://www.ammolitemine.com

AZ Emerald
Colombian emerald specialist based in Arizona. Extensive information about Colombian emeralds, best color, natural versus treated stones.
http://www.azemerald.com/

Beaut Gems
Australian supplier of faceted colored loose gemstones, each with certificate. Useful information in each gemstone category.
http://www.qualitygemstones.com.au/

B.G.A. Gems
European importer-exporter of faceted and cabochon colored gemstones. Prices in Euros.
http://bgagems.com

Buena Vista Gem Works
Cutter and retailer of Colorado-sourced gemstones: Mt. Antero aquamarine, peridot, rhodocrosite, and topaz. Collector and rare gems section. Some jewelry.
http://www.buenavistagemworks.com/

Carat-Online
Austrian supplier of faceted diamonds and colored gemstones. Prices in Euros.
http://carat-online.net

Champon Pearls
Tahitian pearl farmer supplying individual pearls, sets, and small lots. Photographs of farming operation. Prices in Euros.
http://www.tahiti-pearl-online.com

CN Thai and Sons Company Limited
Offers diamonds, sapphires and ruby, as well as jewelry.
http://www.cngems.com

Creative Gems & Jewelry
Thai manufacturer and exporter with broad inventory of colored gemstones loose and in small lots. Finished jewelry and some rough available.
http://creativegem.com

Crystal Vine
UK supplier of finished Ethiopian opals, specimen minerals and crystals, and some faceted gems. Mineral collections, gem fair dates, useful rockhound links. US, UK and Euro pricing.
http://www.crystalvine.co.uk/

D and J Rare Gems Ltd
Fine gemstones loose and in small lots. Rare faceted gems for collectors, gem show schedule.
http://djraregems.com/

Darbellay Company
Extensive inventory faceted and cabochon fine gemstones, collector's minerals, designer's fancy shapes. loose stones,sets, and small lots.
http://www.gggems.com

Day Gems
Bangkok-based cutter and fabricator specializing in natural, untreated Mogok rubies, Ceylon sapphires, and jadeite.
http://www.daygems.com

Embassy Emeralds
Loose Colombian emeralds and custom emerald jewelry.
http://www.embassyemeralds.com/

Erdenesgems
Faceted, cabochon and carved precious and semi-precious gemstones from Thailand. Singles, sets, lots and calibrated.
http://www.erdenesgems.com

EuroGem
German supplier offering loose certified diamonds and colored gemstones. Bilingual English and German website. Prices in Euros.
http://www.eurogem.biz

Facet Shoppe
Rough and cut gems, gemstone optics, faceting information for beginners, computer faceting programs, Faceter's Digest.
http://www.gemcutter.com/

Flecklin Trading
Wide inventory of gemstones, natural lab-created and rough, Australian opals, tahitian pearls. Related gem information.
http://www.swissgemshop.ch

Galarneau's Gems
Custom faceted gemstones and unusual cabochons plus 14k and sterling silver jewelry, bead and pearl necklaces.
http://www.galarneausgems.com/

Gallery of Gemstones
Faceted loose gemstones, faceting rough, and finished fine jewelry.
http://gemmologist.tripod.com/

Gem Country USA
Offers a wide variety of cut gemstones both faceted and cabochons.
http://www.gemcountryusa.com/

The Gem Quarry
Gem rocks and clusters for decorative purposes. Clear quartz clusters, amethyst, colored quartz, fluorite, other crystal for garden use.
http://www.gemquarry.com/

The Gem Zone
Loose faceted Tanzanite gemstones and jewelry. Mining information and history of Tanzanite.
http://www.etanzanite.com

Gemcal
Supplier of sapphires and spinel directly from Thailand.
http://www.gemcal.com/

Gemcolor
Supplies gems for private purchase and jewelry designers. Diamonds, ruby, sapphires, emeralds and tanzanite.
http://www.gemcolor.com/

The Gemcutter
Cutter of rough or damaged gemstones. Faceting, goldsmithing, and gem-setting school.
http://www.thegemcutter.com/

GemData
Faceted colored gemstones, SoLux Daylight lighting and the Gem, Mineral and annual Jewelry Show Calendar.
http://www.gemdata.com/

Gemhunters
Mine-owners and cutters of Australian gemstones. Supplies sapphires, zircons, worldwide as faceted gems or as unfinished rough.
http://gemhunters.com.au/

Gems by Genovese
Drusy and cabochon offerings of unusual material: dendritic, gold, copper, titanium or platinum coated drusy, cocoxinite, coyomito agate, dendritic shale. Carvings and custom cutting service.
http://www.sweetgemstones.com

Gems of East Africa
Gemstones from East Africa, Arusha, and Tanzaniza. Rough and faceted stones. Wholesale pricing said to be available.
http://www.gemsofeastafrica.com

GemsAmerica.com
Importer and retailer of faceted gemstones, freshwater, akoya and tahitian pearls; and jewelry in coral, jade and turquoise.
http://www.gemsamerica.com/

GemsBiz
Indian supplier of faceted loose gemstones both natural and lab-created, gemstone beads, and cubic zirconium. Extensive selection of fancy cut gemstones.
http://www.gemsbiz.com/

The Gemstone Connection
Extensive range of loose diamonds and colored stones in standard shapes and calibrated sizes, pearls, and opals. Best for goldsmiths, jewelers, designers, collectors due to limited photography.
http://www.thegemstoneconnection.com

Gemstone World
Fine facet rough and cut gemstones from around the world. Collector's gems, free Gem and Lapidary newsletter.
http://gemstoneworld.com

GemSuite.com
Retails most gemstone varieties. Also includes general information about the gemstones.
http://www.gemsuite.com

GemYes.com
Faceted colored gemstones and jewelry. Informative collection of unusual gemstone inclusions and anomalies.
http://www.gemyes.com

Geolite
Natural and synthetic gemstones including aquamarines, morganite, rhodolite garnets, amethysts, citrines, blue topaz, tourmalines, apatite, and cats eyes.
http://www.geolite.com/

Glyptic Illusions
Gemstone carvings for fine jewelry.
http://www.glypticillusions.com

Gram Faceting
Authoritative site for faceters. Faceted loose gemstones and facet rough; faceting machinery, supplies, equipment reviews, articles, pictorial guides, technical details, book reviews,and design how-to's.
http://www.faceters.com/

Harmon's
Montana agate cabochons, carvings, polished slabs, jewelry and rough.
http://www.harmons.net/

Joseph Gad & Company
Manufacturer of important loose faceted Columbian emeralds and emerald jewelry.
http://www.josephgad.com

Jyotish Gem
Importer of natural untreated sapphires from Sri Lanka. Some loose pearls, rubies, emeralds, and a limited diamond selection.
http://www.jyotishgem.com/

Kalat Fine Minerals
Minerals, fossils, jewelry, meteorites for sale to dealers, collectors and jewelry makers. Handmade jewelry from crystals, tektites and meteorites.
http://rockshop.cz/website/

Lambert Industries Ltd
Gemcutter and loose gemstone retailer of precious and semi-precious faceted and cabochon gems.
http://www.lambertgems.com

Lyssa Gem
Offering faceted and cabochon gemstones such as garnets, aquamarine, lapis lazuli, amethysts, tourmaline and topaz.
http://www.lyssagem.com/

M and M Gems
Manufacturers and exporters of colored gemstones. Calibrated emeralds is a specialty.
http://www.mmgems.com/

Mani Ratnam Company
Indian retailer of various precious and semi-precious gemstones and beads.
http://www.gemandgemstone.com/

Mexico Gemstones
Mexican Fire Opal and Fire Agate specialist, both finished and rough, Chiapas Amber, and native mineral specimens.
http://mexicogemstones.com/

Modern Stone Age
Hand cut faceted, cabochon and designer gemstones.
http://www.modernstoneage.8k.com/

MystiCrystals
Faceted gemstone jewelry, gem 'trees', and custom faceting.
http://mysticrystals.com/

National Gemstone
Dealers in GIA fancy colored diamonds and AGL colored gemstones to collectors and investors.
http://www.preciousgemstones.com

The Natural Sapphire Company
Specialist in untreated faceted loose sapphires and jewelry made with untreated gems.
http://www.thenaturalsapphirecompany.com

OBAI Pearl Jewelry Trade Company
South Sea, Tahitian, Akoya, Biwa, and freshwater loose pearls and strands. Some silver findings, gemstone strands.
http://www.pjymarket.com

Origem
Boulder opals, carved opals and other gemstones, related jewelry items.
http://www.origem.com.au/

Ozark Rock Exchange
Crystals, mineral specimens. Geology and history of gemstones ezine.
http://www.ozarkrockexchange.com/

PehnecGems
Specializing in Cubic Zirconia and other lab-created gemstones.
http://www.pehnec.com/

Perlas Del Mar De Cortez
Unique Mexican pearl farm in the Sea of Cortez. Links to exclusive distributors, designers featuring the gem, and a very limited number of retailers. Extensive gallery on pearl biology.
http://perlas.com.mx/

The Pink Emerald Company
Specializing in colored emeralds, some investment-grade colored gemstones, and carved gemstone objet d'art.
http://www.pinkemerald.com

Pioneer Gem Corporation
Featuring loose, unset gemstones with mounting services available.
http://www.pioneergem.com/

Pretty Rock Productions
Cabochon and faceted gemstones,rough, gemology tools and custom jewelry. Slab sawing service.
http://www.prettyrock.com

R. Schultz Gems
Brazilian loose colored gemstones and custom jewelry.
http://www.rschultzgems.com

Robert Bentley Company
Art jewel or designer gemstone strands. Unusual materials, shapes, and surfaces: random facets, textures, hammered, and etched stones.
http://www.robertbentleygemstones.com

Rodrigue and Son
Ceylon sapphire, Burma ruby, Colombian emeralds and custom jewelry.
http://www.awesomegems.com/

S and S Gems and Jewelry
Offers diamonds, cabochons, and faceted gems, with photographs and specifications of each item.
http://store.gemsevermore.com

Saint Hart Gallery
Offers important, possibly unique, gemstones, gemstone carvings, and objet d'art.
http://www.SaintHart.com

Seed Beauty
Supplier of gemstone beads and jewelry findings.
http://www.seed-beauty.com/servlet/the-Gemstones/Categories

Simply Sapphires
Specialist in loose sapphires. Some tanzanite and rubies also available.
http://www.simplysapphires.com/

Skye's Gems
Utah West Desert-sourced gemstones and rough: Tiffany stone, red beryl, bixbite, chrysocolla. Cabochons and some jewelry available.
http://www.skyesgems.com/

The Star Ruby Shop
Natural loose star rubies, faceted and cabochon rubies and some jewellery.
http://starruby.in/store/

Star Shine Ltd.
Bangkok-based manufacturer of faceted loose colored gemstones. Specialist in unusual chatoyant gems such as star sapphire, star ruby, star alexandrite, star chrysoberyl and others.
http://www.starshineltd.com

Starzz Diamonds
Specializing in uncut natural rough stones, in a variety of colors and shapes, offered loose and in settings.
http://www.starzzdiamonds.com

Steve Walters
Contemporary gemstone carvings for jewelry designers.
http://www.stevewalters.com/

SWD Import Export Co.,Ltd.
Offering precious and semi-precious gemstones, available in a variety of shapes. Located in Thailand.
http://www.swdgems.com

Synthetic Gems
Supplier of synthetic lab grown faceted and rough cubic zirconia, spinel and corundum. Some natural faceted stones.
http://www.syntheticgems.org

TowerCrystals.com
Offering wirewrapped jewelry, crystals and mineral specimens, moldavite-tektites, and meteorites.
http://www.towercrystals.com/

Tradeshop, Inc.
Loose diamonds, extensive jewelry, considerable gemology information.
http://www.tradeshop.com/gems/

Velasco Fire Agates
Lapidarist only of fire agates mined near Calvillo, Aguascalientes, Mexico. Finished cabochons, rough, and fire agate jewelry.
http://www.mexicanfireagates.com

W Scott Forrest Gemstones
Loose diamonds and colored gemstones direct from the cutter. Benitoite specialist.
http://www.wsfgems.com

Wild Fish Gems LLC
Natural unenhanced loose colored gemstones. Important articles re judging gems on photos (online), enhancement scams, gem treatments. Link to 'Natural Unheated Ruby' site.
http://www.wildfishgems.com

ZBV Enterprises
Designer shapes loose cabochons, slabs, and rough from uncommon materials.
http://www.zbestvalue.com