This educational blog section is all about diamonds, engagement rings, precious metals and jewellery production. As manufacturing jewellers we know a lot more about jewellery production, diamonds and gemstones than many of our less educated colleauges in the trade.  Get the information you need to make an informed decision from the experts. Polished Diamonds Australia have a reputation for integrity, trust and our qualified staff are always ready to help - Freecall 1800-233-299.


As jewellery design requires accuracy down to the nearest point of a millimetre, Magnetic Resonate Image (MRI) scanning is the most effective and efficient way to do so. Quality and accuracy are paramount here at Polished Diamonds therefore, by using this method of scanning we can ensure that your ring is as close to perfect as physically possible.

Engagement rings are a gift that a partner gives to their prospective spouse which  symbolises that the person wearing it is engaged to be married. In Western countries, these rings are generally worn by women and they will often feature diamonds or gemstones as a decorative feature.

Diamond cutting is the term used to refer to the practice of changing a diamond from a rough stone to a faceted gemstone - a 'Polished Diamond'.

With the excitement that accompanies the process of choosing an engagement ring, many overlook the later task of choosing a wedding band that compliments it and forms the perfect set. Having a completed set that not only sits flush but has a beautiful, complimenting design is important to us. 

Polished Diamonds offer the Worlds premium GIA Certified Diamonds and produce the most accurate jewellery possible. We are award winning Jewellers of Distinction and can help you with an amazing diamond engagement ring or precious jewellery item.

diamond colour

Diamonds come in a variety of colours and the most popular for jewellery are the white series of diamonds.

Pink Diamonds

Natural pink diamonds aren’t very common they only account for about 1% of the total production of diamonds in the world. 


Polished Diamonds Australia provides an interactive tool to help select your diamond and compare the vital factors of price, colour, carat and clarity. The cut quality is also an important factor in deciding which diamond would best suit you.


Here at Polished Diamonds Australia we sell only conflict free and ethically mined diamonds that respect nature and the environment. The Diamonds we sell originate from Kimberley Certified and United Nations sanctioned countries only. 


The 5 C’s in the diamond grading process relate to Carat, Cut, Colour, Clarity and Certification.  In this educational blog article we discuss these diamond characteristics.

Carbonado, more commonly known as ‘black diamond’ is becoming a more and more popular choice in the jewellery world. Whilst offering a stark contrast in colour and shine to the more traditional white diamond, they are a unique and eye-catching addition to any piece of jewellery.

Perfect diamond ring

Here at Polished Diamonds Australia, technology has allowed us to create your engagement ring to perfection using our Computer Aided Design software, also referred to as CAD. This process is in replacement of hand drafting and sketches, meaning the design process is precise down to 0.01mm or the thickness of human hair.

Coloured Diamonds

Despite the fact diamonds exist in over 300 different colours, white is by far the most common and preferred. Diamonds can be found in nature in any colour form with varying shades and hues, with it also being the hardest naturally occurring material.

Here at Polished Diamonds we custom design and make both engagement and wedding rings. Each ring we create is personalised to best suit the customer’s needs.

Emerald engagement ring

Perhaps a diamond ring isn't for everyone, here at Polished Diamonds we want to help you create a unique ring that is perfectly suited for you. The Emerald gemstone is one of the four most recognized gemstones along with ruby, sapphire and diamonds. 

rose gold diamond ring

Rose gold is one the gold rings available and is less common than white and yellow.

celebrity rings

Wanting some inspiration for your engagement rings? Check out some of these celebrity rings, they're incredible!

Cleaning Rings

The oil from the touch of a human finger can cause dirt to collect on a dimaond, even though they are the hardest natural substance on Earth. It can make this nearly indestructible gemstone quickly lose its sparkling appeal. Here are some tips on how to keep your diamond ring sparkling.

Designer Rings

As we custom design all our jewellery right here in Australia you can have a really unique ring and get it exactly how you imagined it.

custom rings australia

Polished Diamonds manufacture every custom made diamond ring to suit each unique client so any design is possible. We have access to the Worlds best diamond stock so any diamond can be used in your chosen design. So how does it all work?

ring styles

Here at Polished Diamonds Australia we can offer you every ring style imaginable, from the traditional solitaire to the bolder halo, we have the perfect engagement ring for her lifestyle and your budget.

engagement ring

As Jewellers of Distinction, Polished Diamonds Australia can create any ring design to suit your dreams, budgets and expectations.  So how does it all work and where do I start?

metal types

There are a wide range of precious metals available for you to construct a diamond ring. The most popular metals are the ones that are very white or yellow in colour.

Traditions are a huge part of a couple’s wedding day. Whether it be ‘something old, something new, something borrowed or something blue’ or simply the bride wearing a white wedding dress, there is a reason behind everything.

Flower bouquets are a unique addition to any wedding. Many people are under the impression that brides carry a bouquet simply for aesthetic purposes however, there are far more sentimental reasons than just ‘the look’.

Style Guide

We have gathered colours and styles from global trends, textures, décor and themes.


Feeling overwhelmed about planning your wedding? This infographic can help you with every stage of your wedding planning, from setting a budget to getting your nails done.

Engagement Proposal

Is she a laid back type of woman, or the life of the party? A woman’s personality should always be factored into a marriage proposal.


Black is the new black. It’s what the all thr coolest people wear, from Darthvader and Batman to Ninjas and now you. Zirconium is a natural element found in our earth, mostly in Australia and South Africa. Zirconium has a super high resistance to corrosion.

wedding rings

In the midst of all the preparation for your wedding you might put finding a wedding ring at the bottom of your to do list, but it’s something you will be wearing for years to come so it’s important to get it just right.

Polished Diamonds Jewellery Design began in Christchurch, operating from 30 New Regent Street. Founded in 2003 and winning the ‘Best Retailer’ at the business awards, it was only fitting to open a second store in Ponsonby, Auckland.

Determining your ring size can be a challenge but is a crucial part of the design and manufacturing process. Due to a range of different factors one’s ring size can drastically change however, with a range of different techniques available you can be sure to find the best fit!

Finding and designing jewellery that is both unique and personal to you can be challenging. With an increasing number of Jeweller’s mass producing their stock, makes it easy to follow trends and settle for common designs. However, here at Polished Diamonds - Jewellery Design you can be guaranteed something unique, personal and incomparable at a better price than the mass produced clones.

Valentines day is one we all know and love. It is a celebration for those seeking love, in love and perusing love. It is a day for romantic gestures, gift giving and admiring. However, is it just all chocolates and flowers or is there some history behind the so called ‘day of love’?

Cameo Jewellery

The earliest widespread use of shells for cameo carving was during the Renassiance, in the 15th and 16th centuries. Antique cameos are recognised by their common attributes - a woman's profile carved out of a white shell placed against a coral background. Although this is now the standard design for vintage cameos, it certainly is not the only!

Sydney Jewellery

Buying diamond engagement rings and jewellery in Sydney, Australia


A diamond bracelet is a tangible touch of beauty, when placed on the wrist of a woman it flows with every movement of the arm, adding a fascinating sparkle.

Custom made ring

We can custom design any ring style, for any occasion just like these rings for the Euro 2016 championship.

Pantone are commonly known for their standardized colour matching system, used around the world. They not only specialize in differentiating colour shades but attempt to look beyond what the eye can see and discover what colours represent.

Sapphire is known as one of the hardest existing gemstones, therefore making it the most desirable gem to use for wedding and engagement rings due to it’s durability. Sapphires exist in a range of different colour shades from the classic blue to black, pink, yellow, green, white and the less well known padparadscha.

garnet gemstone and garnet colour

Did you know the garnet does not just come in red? The January birthstone offers an extensive palette ranging from greens to purples, through the more common red tones including orange, pinks and red. 

Sapphire is a beautiful gemstone that is suitable for all types of jewllery. It comes in a large selection of colours which make it versatile and easily able to compliment many other gemstones. Here we inform you of a few different colour varieties available.


Have you ever thought about how gemstones are actually formed? I hadn’t. I’d never really given it much thought. I just oohed and ahhed over the amazing colours and gorgeous jewellery that I’d seen in magazines, boutiques and on celebrities.


Tanzanite is a relatively recent discovery, found in just one place on earth. This blue variety of zoisite was named after Tanzania, the country where it was found, and can only be found.


The glorious green colour of Emerald's has made the stone highly prized for many thousands of years. Believed to protect the wearer from misfortune, it has a mystical quality that soothes and promotes tranquillity.


Peridot is one of the few gemstones in the world that exists in only one colour, a distinctive lime green.


Rubies are always stylish and compliment virtually everyone who wears them. In addition to being the official birthstone for July and the traditional gift for 40th wedding anniversaries, the ruby frequently is given in celebration of the birth of a daughter.


Pearls are unique as they are the only gems which come from living sea creatures and unlike other gemstones require no faceting or polishing to reveal their natural beauty.