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Jewelry  Half-round file  Hallmarking

Hallmarks are small impressions, struck in jewelry by official assay offices which serve as a type of consumer protection. Once a specific mark was impressed in the metal, the assay office would guarantee the fineness of the material used.

Hallmarks from around the world
In India jewelry is stamped with a Pt950 mark, shown on the right.

Silver Hallmarks
The four marks that can be found impressed on a piece of silver show its purity and where, when, and by whom it was made ...

Hallmarking is an official designation that can only be added to an item after it has been assayed to determine its purity by an Assay Office.

Hallmark stamped k or kt is same.
Sometimes there is not much room to leave hallmark so k is more often used.

Check the hallmarking on the piece (ie 14K stamped on inside of ring), and be sure it matches what the salesperson tells you the piece is. Be careful of phrases such as "solid gold plate" or "gold-filled".

A hallmark is the official mark stamped or inscribed in metal which indicates the fineness of the metal and the manufacturer. For example, a hallmark of 925 indicates the piece is 92.5% fine Silver while a mark of 14K indicates the piece is 14/24 Gold.

A hallmark is an official mark (or a series of marks) made in metal that indicates the fineness of the metal and the manufacturer's mark. For example, a hallmark of 925 indicates 925 parts of gold per 1000 weight.

Hallmark: A form of consumer protection against fraud, hallmarks are simply marks stamped onto a precious metal by a legally appointed official after assaying to denote the amount of precious metal contained in a piece.

The most reliable method of ascertaining the purity of a sterling silver piece is to examine it for hallmarks.

HALLMARK - A mark or number of marks made on gold or silver jewellery and other fabricated products to confirm that the quality is of the fineness marked on the item.

Hallmark Stamp -
The mark(s) stamped on most articles of gold and silver jewelry that designates the precious metal content and attests to the purity of the jewelry's metal.
Heart-Shaped Cut -
Stones cut in the shape of a heart. Heart-shaped diamonds are a variation of the round brilliant.

The mark stamped on some items of gold and silver, certifying the purity of the metal.

Marks stamped on gold, silver or platinum by assay offices after the metal has been tested and determined to contain the proper amount of precious metals required by law ...

See assay mark
The measure of how resistant a gemstone is to being scratched. The Mohs Scale of hardness ranges from 1 to 10, with 10 being the hardest. Diamonds are rated 10 on the Mohs Scale ...

Hallmark - a mark indicating quality or excellence; in jewelry, a mark used to stamp gold and silver articles that meet established standards.
Hammered Finish - refers to an uneven finish, typically on a metal such as silver.

This is a stamped mark applied to items of jewellery and silverware by the Assay Offices of Britain as a guarantee of authenticity. The mark consists of four components: ...

HALLMARKS: An official mark first adopted in England. The mark is incised, punched, or stamped on gold or silver to show quality and to signify purity of metal according to "sterling" or "carat" standard.
Marks Mistaken for Name of Manufacturer/Designer/Jeweler: ...

A stamp or mark that is unique to a jewelry maker, indicating the identity of the item's creator.
hammered: ...

A quality mark indicating precious metal content (10kt, 14kt, 18kt, platinum, etc). Typically stamped on a jewelry item in an inconspicuous location (back, inside ring shank, etc.).

A mark, or number of marks, made on gold, silver items to confirm that its quality is up to the correct standard. The concept of a 'hallmark' dates back to the Byzantine Empire in the fourth century AD, where a system of 'marks' was used on silver.

hallmark - today it refers to the mark placed on a piece of jewelry by the maker.
hard platinum - see iridium
hardening - the process of heating and working metal to reduce its malleability.

Hallmark - this is the term used for an official mark made on metal. It is used to indicate the metal content. Sometimes, the year of manufacture will be noted. Examples are 925 which indicates silver content, or 18K for gold content. See also Maker's Mark.

Hallmarking Association - International organization of administrative members of state-recognized hallmarking authorities for precious metals (bureaux de garantie)', established in 1965, to promote uniformity, protect hallmarks (poincons de garantie) from forgery, ...

A mark stamped into precious metals to indicate its purity or fineness, the maker or sponsor, the Assay Office where it was tested, and the year that it was tested.

The mark stamped on the back of jewelry indicating the fineness or purity of the metal content. e.g. 925 for sterling silver.
I ...

A Hallmark consists of five components -
The BIS Mark
The fineness number (corresponding to given Karatage)
The Assaying and Hallmarking Centre's mark
The jeweller's mark
The year of marking denoted by a code letter and decided by BIS (e.g.

Search hallmark Marks punched onto a piece of silver or gold that identify the place where the object was assayed for purity, the maker, and date.

Hallmarked Hand Made Fine Tanzanite Jewelry
The Tanzanite jewelry collection showcased here has been hand made to the highest standards. Each piece was designed around a fine Tanzanite Gemstone by Sheelagh Zagoritis.

Hallmark showing the office which assayed the metal used in a piece of jewelry (English)
Baguette ...

Hallmarks should not be confused with a manufacturing stamp which is unique to the manufacturer.
What is Fine Gold?

Hallmark - A mark stamped on to attest to the purity of the metal after assay.

Hallmark - A mark or impression made on gold and silver bullion which indicate the producer and purity of the particular item. (See Assay, Mint Mark)
Ingot - A generic term used to describe a gold or silver bar. (See Bar)
Intrinsic Value - The value of a coin's metal content.

A mark, or series of marks, on a piece of gold, silver or platinum jewellery to guarantee the purity of the metal. In the UK this is applied by an Assay office and is a legally required mark for precious metal items over a specific weight.

HALLMARK A manufacturers mark which indicates the content of the metal used to make an item. Examples are: Sterling ".925", 14 karat gold "14K" or .585", Platinum "PT950" or "PLAT". In other countries symbols such as an anchor, double eagle heads etc.may be used to denote metal content.

The hallmark depicted here is a French hallmark that was struck in jewelry in finished condition that were brought to be examined by the French assay office. Therefore one cannot be sure of the origin of a piece of jewelry with this hallmark. It has been used since 1893.

Movado is the hallmark of some of the most famous timepieces ever created, notably the Movado Museum Watch with its legendary single dot dial - an icon of modern design.
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Victorinox Swiss Army ...

Gemological Hallmark International Co ltd
Jewellery Trade center 919 Silom rd
Bangkok Thailand 66 2236 2131 ...

and 1910; the jewelry is characterized by flowing lines, unusual interpretations of nature, the use of women with long flowing hair and the utilization of unusual materials Assaying Process of determining the proportions of precious metal contained in a piece of gold or silver Assay Hallmark ...

Watches: Pocket and wrist, modern and period, condition analysis, authentic vs. fake or after-market parts
Hallmarks and Trademarks: Manufacture's marks (a piece made by Cartier is more valuable than the same piece as an unknown) ...

Valentine's Day, Hallmark Day, Singles Awareness Day, no matter what you call it, February 14 is a day of love and proposals. It is a day of jewelry and candy and great expectations. It is a day for romance inevitable to all.

Eclecticism was the hallmark of the first years of the nineteenth century. One of the first of these diverse sources of ideas was the prolongation of a trend set in the eighteenth century, that of imitating nature. By 1820, full bouquets of flowers were used to decorate all sorts of ornamentation.

Official assay offices determine whether a piece qualifies for an appropriate hallmark. AssayingThe process of determing the proportion of precious metal contained in an alloy. Asscher, JosephJoseph Asscher was an eminent diamond cutter who cut the 3,106 carat Cullinan diamond.

If gold is your choice then always go for 18K gold, and the gold should be hallmarked. For a sapphire, white gold is just perfect, as the blue and white complement each other perfectly.

In 1918, when Carl Fishel joined the company, they renamed the company Trifari, Krussman and Fishel (their hallmark was T.F.K.). Alfred Philippe, who had been a jewelry designer for Cartier and Van Cleef & Arpels, designed pieces for Trifari for many years.

The flaws and inclusions in an emerald is a hallmark of most natural emeralds, and generally the best colored stones are sometimes the most included. The types of flaws found are cracks and fissures and the inclusions can be solid, liquid and gaseous.

5% pure gold and hallmarked accordingly. Similarly in 18 carat gold, 18 of the 24 parts are fine gold so this alloy is referred to as 18ct, 18/25. or 75% pure gold and hallmarked accordingly.

Remember to check the inside of the band for hallmarks and engraving and to work around them. The shank is bent so the ends come together to make a tight seam, and here again it is important to file the surfaces so they make a clean joint.

18k is also hallmarked as 750 and is 75% pure gold per volume. Therefore, if you had 10 grams of 18k then 7.5 grams would be pure gold the other weight would be in alloy material. 14k is 58.5% pure gold per volume and is listed as 585.

Britannia silver is an alternative hallmark-quality standard containing 95.8% silver and is often used to make tableware.
Hallmarks are applied to precious metals by an assay office to verify the content or purity and may be accompanied by a maker's mark or the date of manufacture.

Silver has been held in esteem through the centuries. Silver hallmarks came into use in A.D. 1300, and Sheffield plate, an innovation of the eighteenth century, gave birth to an important plating industry which still flourishes in the United States and in England.

Britannia Silver: A silver alloy composed of 958 parts silver in 1000 hallmarked with the figure of Britannia. Britannia silver was mandatory in England from 1697 to 1720 to prevent the melting down of sterling coins to create silver objects.
Broker: See Agent.

In addition to the karat mark, every piece of gold jewelry should be stamped with a hallmark or trademark of its maker, and sometimes its country of origin. These designations assure you that you are buying genuine karat gold jewelry. Heavier pieces contain more gold.

One hallmark of the trade in gem-quality diamonds is its remarkable concentration: wholesale trade and diamond cutting is limited to a few locations (most importantly Antwerp, London, New York, Tel Aviv, Amsterdam and Surat), ...

Millesimal fineness if usually rounded to a three figure number, especially when used as a hallmark or quality mark.
The millesimal fineness system is an extension of the older karat system.
(Read full article on Sterling Silver) ...

Value is a human set of conditions: gems must have rarity, durability and beauty. Great rubies display all three hallmarks. Rubies - especially fine rubies - are rarer than diamonds, emeralds or sapphires. The beauty of their color is without peer.

Other than this karat mark, every gold piece should also be stamped with a hallmark or trademark of its manufacturer and sometimes its country of origin. This description will assure you about the authenticity of the gold jewelry.

Other countries used a marking system well before the United States. For example, Britain has had a system of hallmarking in place for hundreds of years.

Some countries hallmark gold with a three-digit number that indicates the parts per thousand of gold. In this system, "750" means 750/1000 gold (equal to 18K); "500" means 500/1000 gold (equal to 12K). Alloyed gold comes in many colors: ...

Eight metals are considered precious: gold, silver, and the six members of the platinum family - platinum, palladium, rhodium, ruthenium, iridium and osmium. The National Gold and Silver Marketing Act, first passed in 1906, requires that the manufacturer's hallmark (registered trademark or trade ...

Classic elements like braids, nail heads and twisted rope designs are
now recognized as the hallmarks of a Balinese designed piece.
Their careful use of oxidation produces a gorgeous patina,
giving their hand crafted silver jewelry a finish
that is similar to the look of antique silver jewelry.

Assay: A test of the purity of an alloy by scraping a bit of metal from the piece and determining the percentage of gold or silver. A piece that meets the standards of purity is given a hallmark for use outside of the U.S.

An assay is a test of the purity of an alloy. A tiny piece of metal is scraped from the piece and the percentage of gold or silver is determined. Official assay offices determine whether a piece qualifies for an appropriate hallmark.

Mostly microscopic in nature, inclusions are a fascinating hallmark of authenticity, recording a gem's natural relationship with the earth. They are also extremely useful to gemologists when identifying natural gemstones from synthetics and imitations.

technique in whice precise, intricate, symmetrical patterns are mechanically engraved into a metal base: sometimes referred to as an "engine tuning". It was named after a French engineer who invented a machine to replicate these precise patterns that were previously done by hand.
Hallmark ...

Difficult to mine and laborious to isolate from its ore, platinum is brittle and tough to work with. The alloy that's most commonly used for jewelry is 950 platinum, which means that there are 950 grams of pure platinum in every 1,000 grams of jewelry metal. The "PT 950" hallmark identifies this ...

Lockets are usually attached to necklaces but may also be found on bracelets or brooches.Loupe:A small magnifying lens used by jewelers to inspect jewelry or gemstones for inclusions, blemishes, hallmarks, etc, generally at 10x magnification.

See also: See also: Jewel, Jewelry, Antique, Hallmarks, Gold

Jewelry  Half-round file  Hallmarking

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