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How our tennis jewellery is made

There are no shortcuts. Which is why craftsmanship still lies at the heart of our manufacturing processes.

Alongside state of the art manufacturing technology a unique blend of traditional time-honoured techniques are employed to ensure the highest quality of production.

Craftsmanship is core to our continued pursuit of manufacturing excellence. Whilst individual components are precision machined, to ensure the inherent strength of the metal is retained and enable the precise manufacture of intricate designs, the meticulous attention to detail that is required to produce the finest jewellery means that experienced craftsmen finish every product by hand.

We hand polish to ensure the smoothest and most adhesive surface for high quality products. Each piece of jewellery goes through multiple stages of hand polishing by our skilled craftsmen.

The requirement is to produce a smooth finish for a flawless finish. It has taken many years to be fully trained in the craftsmanship of jewellery production but quality will always be at the heart of our work.

Quality and craftsmanship go hand in hand with us

Every piece for example is assembled by hand and individually inspected before going to our customers to ensure the highest performance and quality using traditional jewellery craftsmanship.

Jewellery Metals

A description of the metals normally used in Jewellery and the ones that we use at tennis Jewellery. Where required all our jewellery carries the appropriate hall mark.


At tennis Jewellery we use “Gold” in our jewellery. The main one is 9 carat gold which has a warm light yellow colour and is also very durable.

Gold jewelry is made up of an alloy of gold and other metals, such as silver, copper, nickel and zinc. Pure gold is yellow in color and is generally too soft for jewellery making and so other metals are almost always added to it - this is known as alloy. Alloy helps to add strength and colour. Different metals can be used as alloy and depending on which one is used will depend on the final colour of the gold. 

The actual gold content of metal is measured in Karats (K) or carats (ct), which describes the proportion of pure gold to the other metals in the material. The higher the proportion of gold in the final metal, the more expensive it will be

24 carat gold is as pure as you can get for jewellery making, this is made up of 99.7-99.9% pure gold. but because 24K gold is soft and malleable, it cannot usually be used for jewelry

18 carat gold contains 75% of real gold and 25% of another metal. This other metal could be, for example, white metals to create white gold or copper to create rose gold. 

14 carat gold contains 58.3% pure gold and 42.7% of another metal. This has a warm yellow colour and is more durable than gold of a higher carat. 

9 carat gold contains 37.5% pure gold and 63.5% of another metal. This is the most affordable option for jewellery making and is a light yellow colour. 

Colour of Gold

Pure gold is yellow in color. The non-gold metals used in the alloy determine the ultimate color of gold. The metal added to make the alloy gives it a different hue:

Gold in any of its colors makes beautiful wedding bands, rings, earrings and necklaces.


At tennis Jewellery we use “Silver” in our jewellery. The main one is Sterling Silver.

Fine Silver

Fine silver is pure 99.9% silver whereas sterling silver is 92.5% silver with the rest being made up of any alloy metal. 

Because sterling silver has dominated the market and often gets termed just 'silver', fine silver is often used to describe what is actually just pure silver

Fine silver is softer than sterling silver so great for wire wrapping designs. It is also great for working with a flame as it will not get fire stain when heated.

Sterling silver

Sterling silver consist of 92.5% pure silver with the remaining 7.5% being made of other alloy metals such as copper or steel.

This percentage can change depending on the quality of the sterling silver. The pure silver amount can be slightly less

Sterling silver is harder and more durable than fine silver and can be used for such a variety of things. Sterling silver is a popular metal for rings, necklaces, bracelets, cuff links, belt buckles, body jewellery and much more

Sterling is more susceptible to losing it's tarnish due to the alloy metals within it. 

Silver Filled

Silver filled metals (also called “silver overlay”) have been popular for years. Silver-filled wire is made by using heat and pressure to apply a layer of silver to a base of less costly metal.

This silver layer is hundreds of times thicker than a standard plating. The thickness of the sterling silver overlay on silver-filled wire constitutes a full tenth of its overall weight. This thicker silver layer lets you work deeper, polish more and even do light engraving without exposing the base metal underneath.

Silver filled components like ear wire and chains are affordable, long lasting and beautiful when paired with sterling silver pendants.

Eco Silver

Eco silver is produced from recycled scrap silver in a totally traceable and fully audited process.

It still has all of the same properties as sterling silver and therefore can be used in the exact same way as you would use sterling silver. 

This is a great environmentally friendly option for jewellery making. 


At tennis Jewellery we use plated Metals in our jewellery. The main one is Gold plating where we will plate small charms where the plating will be plated on top of sterling silver.

You can get both gold and silver-plated metals. They are the most affordable option as they have a very small percentage of silver and gold in them.

Plated metal has a base metal such as steel, brass or copper which is then dipped into a bath of electroplating solution. In this solution there will also be lump of solid gold or sterling silver. 

An electric current is sent into the bath of solution and a thin layer of the precious metal is deposited onto the base metal. This creates a thin layer of gold or silver on the base metal.

Due to the thin layer which is created, the 'plate' or colour of plated metals is known to rub off over time and wear. 


Base metals include iron, nickel, copper and titanium, among others. These metals are relatively abundant and tend to oxidize or corrode relatively easily. Noble metals, on the other hand, are rare and resistant to corrosion. Base metals like copper and brass make beautiful hammered disc pendants.


Platinum is the rarest and most expensive of the metals. It is incredibly durable and does not tarnish: Pure platinum melts at 3216.2 degrees fahrenheit, which is perhaps why it’s so popular for wedding bands, men’s rings and cuffs and other high-end jewelry pieces. 

To enhance its characteristics and durability, platinum is alloyed with copper and cobalt along with “platinum group” metals: Ruthenium, rhodium, palladium, osmium, iridium, and platinum together make up the platinum group of metals.


Titanium is the hardest natural metal known to man: It is stronger than gold, silver and platinum and even three times as strong as steel. Its strength, scratch resistance and light weight lends itself well to jewelry making. Plus, titanium is easy to color.

Titanium is completely hypoallergenic. In fact, titanium is the most hypoallergenic material known to man, and it is rapidly replacing body-piercing jewelry and other surgical implants and instruments since the body does not react to it.

However, if you are planning on buying a titanium ring, I highly advise you not to! Why, you ask? Your fingers will change size over time, and titanium is not solderable or resizable. 


Gilding metal sheet is an alloy of copper and zinc. It has a rich, warm, golden colour and is ideal for mixed metal pieces and larger projects. 

The composition of the metal is as follows;

Cu (Copper)=89-91%
Pb (Lead)=0.05%
Fe (Iron)=0.1%
Zn (Zinc)=Remainder
Total Impurities=0.4%

It feels the same as working with silver, and due to its low price is often used to test run pieces