Welcome to our Help Centre

Do you have stone sizing charts?

Yes, first select the stone shape to find out more...               ...Read more

How do you polish pearls?

As pearls are quite a soft, delicate gemstone we recommend that you wipe them using a soft dry or dampened cloth. ...Read more

Which gemstones can be fired in Metal Clay?

The table below should help. ...Read more

Do you have an Ethical policy?

Here is our Conflict Minerals Policy statement and a copy of our Ethical statements   ...Read more

How can I measure cabochon stones?

One way of finding the outside measurement of a cabochon stone is to draw around it with a pencil. Usa a small piece of removable adhesive tack to hold it...Read more

Why after applying heat onto my gemset silver ring, have they both changed colour?

If you are using sterling silver, this is an alloy that contains 92.5% silver and copper. If heated to a temperature of 650ºC, in air; the copper...Read more

What is the Mohs scale of hardness?

The Mohs Scale of Hardness is a relative scale of hardness established by the Austrian mineralogist Friedrich Mohs. He based the scale on ten minerals...Read more

What is my birthstone?

Each month of the year has historically had birthstones to represent them dating all the way back to the 15th Century. For our recommendations, we have...Read more

How do I work with agate?

Agate Hardness: 6-7MohrsSpecific Gravity: 2.6Refractive Index: 1.53-1.54Crystal System: TriagonalChemical Composition: Silicon DioxideWorking with Agate...Read more

Do you have any gemstones that can be fired?

To look at our range of fireable gemstones click here ...Read more

What does the back of square cut gemstones look like?

The back of square gemstones from stock are faceted...Read more

How do you protect stones from being affected by rhodium solution?

We recommend a product called lacomit lacquer*. This can be applied with a brush to mask areas where plating is not required. After the plating process,...Read more

How do you repair jewellery that has gemstones already set in them?

For heat resistant gemstones This generally includes diamond, ruby and sapphire. They normally do not have to be removed before the metal is soldered or...Read more