The Carat/Karat (kt) is still used for the weight of gem stones (1 carat = 200mg). Pure gold, which weighs 24 kt, is the softest gold, and it is not the best choice for creating everyday jewelry.
Contents of gold made in other colors - 18kt yellow gold: 75% gold + 12.5% silver + 12.5% copper;
14kt yellow gold: 58% gold + 25% silver + 17% copper;
18kt white gold: 75% gold + 5% copper + 15% nickel + 5% zinc;
14kt white gold: 58% gold + 20% copper + 14.5% nickel + 7.5% zinc;
18kt rose gold: 75% gold + 5% silver + 20% copper; and
14kt rose gold: 58% gold + 10% silver + 32% copper.
Gold is the only naturally metal material that is not chemically affected by air, moisture and most corrosive reagents.
In 2008 China overtook South Africa as the world's largest gold producer.
A single ounce of gold can be drawn into a wire 60 miles long.
As of today, 88,000 tons of gold have been taken from the underground of the Earth.
Gold is so heavy that one cubic foot of its weighs half a ton. The largest gold nugget found in California (US) weighs 195 pounds.
The best diamonds are colored blue-white.
The largest diamond that was found so far weighed 3,106 carats.
Pearls melt in vinegar.
Jewelry - Watches
Resources
Amber- manufactures products in the rough stone with that the loss of material survives
justifiably and beauty survives most of all.
Amstel Diamonds -
one of the oldest diamond factories of Amsterdam, has been producing gems since 1876. It is situated
on the Amstel river in an old canal house in the very heart of historic Amsterdam.
Apollo Diamond- produces single crystal diamond wafers and crystals for
the optoelectronics, nanotechnology, and consumer gem markets.
ARC International - Parkistan wholesale gemstones, crystals, tumbles stones, beads,
and finished jewelry. It offers a fine collection of quality rough and cut loose gemstones.
Arizona Traders - a manufacturer and distributor of sterling silver, opal, and turquoise Indian jewelry.
Bali Beads- offers wholesale Bali silver beads and silver jewelry design.
Blanka Diamonds- a major diamond supplier with factories in Antwerp and Sri Lanka
producing small brilliants for rings, pendants, earstuds, as well as for watches and other decoration of jewelry.
Baltic Amber- a source of amber, beads, and silver jewelry.
Bapalal Jewellers- An Indian manufacturer of gold, diamond and gemstone set jewellery.
Canada Diamonds- manufactures the quality diamond jewelry from facilities in Vancouver,
and supplies the quality Canadian diamonds and diamond jewelry worldwide at wholesale prices.
Charles & Colvard- the sole-source manufacturer of Moissanite;
a near colorless, created jewel with a fire, brilliance and luster unmatched by any other jewel. Charles & Colvard sells Moissanite jewels
to its distributing and jewelry manufacturing partners, who then provide exquisite Moissanite jewelry to fine retail jewelers around the world.
Diamond Broker- a diamond manufacturer, and supplied diamonds to wholesalers and major diamond and jewelry retailers around the world.
Elsa- manufactures custom wedding and engagement rings.
It does business with retailers as well as the general public.
Goodfine Diamond- specializes in manufacturing a
vast range of diamonds, sizes from 0.30 to 5 carat + in round and fancy shapes, "D" To "K" color, "IF – SI" clarity.
It also carries commercial quality goods.
Larimar- specializes in making handmade artisan jewelry using the natural gem Larimar.
Leo Schachter- offers handcrafting the world's most beautiful and brilliant diamonds. Its reputation circles the globe with stops in
Paris, London, Milan, New York, L.A. and Hong Kong.
NB Gems- specialize in rare and unusual minerals in their natural or sculpted form complemented by a unique jewelry selection.
Qingdao Pure Gems- specializes in high quality cut stones in Clear CZ, Color CZ and Synthetic stones including cutting of semi-precious stones.
Polar Bear Diamond- manufacturer of diamonds that are mined, cut and polished in Canada.
Sasha Primak- offers certified collections of jewelry and diamond to the trade, includes product and dealer information.
Russian Brilliants- a diamond dealer buying and selling diamond rough and loose diamonds
Scintilla- features original pieces and collections of jewelry and diamonds with photographs and distributor details.
Spence Diamonds- a chain of Canadian diamond and jewelry retail stores.
It offers a selection of pendants, bracelets, earrings, and anniversary rings for every taste and price range. It provides hundreds of gift ideas in gold,
silver and platinum.
Auroratime- a watch manufacturer and
exporter in Hong Kong. Product range includes fashionable watch, automatic watch, mechanical watch, quartz watch,
pocket watch.
Ebel - a Swiss upscale watch company
opened since 1911. It offers luxury watches with the conception of time through the Swiss watch tradition.
Coral Hong- a Hong Kong manufacturer and exporter of
watches, which include sports diver watch, sports chrono watch, classic watch, elegant watch, digital watch, sports watch.
Good Fortune Electronics- a Hong Kong manufacturer
and exporter of clocks that include alarm clock, travelling clock, quartz alarm clock, mini alarm clock, desktop clock.
Hamilton Watches- an
American watch manufacturer opened since 1892. Hamilton remains as one of the world's leading watchmakers.
Hanville- a Hong Kong watch
manufacturer and exporter. Its Own Brand: Michel Renee, Que, Kin-mix, Louis Armolo, Mabell, Louis Valentino, Magic-tunnel.
eMacromall.com
Loan Payment Calculator
Jayant Watch- an Indian watch company
manufacturing watches, clocks and parts.
K & B Time- a Hong Kong leading and exporter of quartz watches,
promotion watches, fashion watches, classical watches, and sports watches.
Kimsi- a manufacturer and exporter of LCD watch,
promotion watch, digital watch, fashion watch, expansion watch, premium watch, brass watch, and stainless steel watch.
Max Rene- a leading watch manufacturer of combination of
beauty and functionality in unique watch design.
Oemel- a well-established manufacturer
and exporter since 1989 of PLL Digital Receivers, LCD Clock Radios, Audio Mouse Pads, Radio Control Clocks, LCD Clocks,
Sound Technology and CD related products.
Omega- a manufacturer of prestige Swiss watches opened since 1848.
Precision Watches- a manufacturer and distributor for Andrew Marc watches, Cenere
watches, Focus Watches, Cynthia Rowley timepieces.
Poerre Laurent- has developed its collections of jewelry
to meet its expending customer base and its reputation for design and waulity.
Porsche Design- a majority-owned subsidiary of Porsche AG. The company’s activities are focused on the Porsche Design Studio
in Zell am See, Austria, and on the brands Porsche Design and Porsche Design Driver’s Selection.
PRG Watch Manufactory Ltd- a majority-owned subsidiary of Porsche AG.
The company’s activities are focused on the Porsche Design Studio in Zell am See, Austria, and on the brands
Porsche Design and Porsche Design Driver’s Selection.
Spring Bars- a manufactures high
Swiss quality spingbars for top class watches.
Over 500 models and custom designs were developed.
Rovoda- a Rovada Celtic, Claddagh and Irish watches that include
Celtic, Claddagh, Mythological, Heraldic, and watches of Irish interest. Designed and made in Ireland.
Silcom-China- a manufacturer of watches and clock
in Hong Kong, radio controlled clock, metal clock, wood clock, travel clock, and fashion watches.
Silconent- a watch and clock
manufacturer and exporter of all kind of watch and clock including classic watch, countdown
watch, analog watch, alarm watch, euro converter watch, memory clock, travel clock, mini
clock, table clock, and wall clock.
Tech-Bond Timepieces- a manufacturer and exporter of watches includes stainless steel watches, chronograph
watches, sport watches, military watches, ladies watches, men watches.
Tekday- offers a set of collection
of numeric watches based on sport and technology.
Tembo- a Hong Kong manufacturer and exporter of
fashionable watches, carbon fiber watches, stainless steel watches, titanium watches, sports watches, and ladies watches.
Time Creations- an exporter of
fashionable watches, classic watches, analog watches, wrist watches, promotional watches, quartz watches, and mechanical watches.
Temerald- a Hong Kong manufacturer and exporter of
fashionable watches, carbon fiber watches, stainless steel watches, titanium watches, sports watches, and ladies watches.
Time Emerald Industrial- a Hong Kong manufacturer and exporter of
fashionable watches, carbon fiber watches, stainless steel watches, titanium watches, sports watches, and ladies watches.
Traser - a Swiss
firm mb-microtec developed the technology to produce light sources so small, they can be installed
on the hands and dial of your wristwatch.
Wing Kwong Hong - a Hong Kong manufacturer and exporter of mechanical
watch, quartz watch, steel band watch, sports watch, alloy case watch.
Wings Industries Company - a designer, manufacturer, and exporter
of quality timepieces. The products ranges from quartz analog, sports watches, classic style, premium, diver style, ana-digital, and chrongraph to
multi-function, pocket watch, slim style, metal bracelet, eather strap, steel, titanium, aluminum, water resistant, and plastic.
Yes Watch- a manufacturer of an unique watch that tells time by
tracking natural rhythms of the sun and moon. It keeps both digital and mechanical time, sunrise and sunset of 500 cities
worldwide, alarm, stopwatch with lap time, adjusts for DST, water-resistant and night light.
Xemex Swiss Watch- a watch manufacturer that products
Swiss watches and Swiss wrist watches.
