Your Diamond Guild Australia jeweller would be delighted to clean your diamond ring whenever you wish. At home, commercially prepared jewellery cleaner is suitable as is washing up liquid – in fact, anything that can cut grease. Ask your Diamond Guild Australia member the best way to clean your diamond.

Currently, engagement ring design is reflecting a trend towards greater personal expression. While the classic Round Brilliant cut is still the most popular choice, many more couples are choosing “fancy” shapes such as Oval, Pear and Emerald cut, and to a lesser extent, Marquise. We have seen growing interest in Oval diamonds as an alternative […]

The most important point to remember is that the ring is about you…. your style, who you are and where you are in life. Just as your love story is unique, let the ring you choose be something you love on your finger and makes you smile every time you look at it. If you […]

Our true passion is in diamonds and we pride ourselves on having access to the most beautiful diamonds in the world. Trewarne brings together the ultimate combination of the finest diamond rough, and the most technologically advanced diamond cutting, to unlock a brilliance and sparkle in our diamonds that can only be described as ‘breathtaking’. […]

We specialise particularly in the field of custom made diamond jewellery. Our designs are all crafted in-house in our Melbourne workrooms. We have a signature range of jewellery that draws on our long experience to be both beautiful and timeless – this encapsulates the design philosophy at Trewarnes. We use our generational knowledge to promote […]

We have two store locations with some of the industry’s most qualified and experienced jewellery professionals. We have gemmologists, designers, valuers and even presidents of industry associations working in store. You will often find Katrina and myself based in our Collins St boutique. Our Southland boutique is always bustling and there you will likely meet […]

Trewarne Fine Jewellery is a fourth-generation family owned and run business. It began in 1932 when my great grandfather’s uncle started the Australian Gold Buying Company, purchasing gold from the miners. The business evolved after the war to meet the demand for luxury fine jewellery pieces and my late mother, Suzanne Trewarne, pioneered the original […]

Understanding the meaning of diamond hue aids in the selection of the ideal diamond. Surprisingly, the absence of colour is used to assess the hue of most gem-quality diamonds. Like a drop of pure water, a chemically pure and structurally perfect diamond has no colour and thus a higher value. The GIA’s D-to-Z diamond colour-grading […]

Natural diamonds have been discovered in just 35 countries. Australia, Botswana, Canada, Angola, Russia, and South Africa are among the countries that produce gem quality grade diamonds. Natural diamonds can be found in two geological contexts. The majority are found in kimberlites, which are pipe-like structures formed by volcanic and tectonic action. Alluvial deposits are […]