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April 23, 2017

Australian parti sapphires in bespoke engagement rings

Parti sapphires, including the beautiful gemstones from Australia, have been a firm favourite for couples looking for a unique coloured gem for their engagement ring, with gorgeous teal and blue green sapphires being the most popular choice. Each parti sapphire is unique, displaying zones of green, blue, teal and yellow colours. These amazing gemstones look spectacular on their own or paired with diamonds, such as kite shaped, trillion, pear cut, baguette or round. Contemporary take on the classic three stone, or trilogy engagement ring design is on point right now (and we believe will stand the test of time), and parti sapphires look gorgeous highlighted by a sparkling diamond on each side. 

As a contemporary Sydney jeweller, we have been seeing a trend of couples moving away from the more traditional diamond as their engagement ring gemstone, and towards coloured gemstone alternatives, which offer more individuality, versatility and value for money. Salt and pepper diamonds, grey spinel, morganite, aquamarine and sapphire are all beautiful choices, but the striking parti or bi colour sapphires really stand out, with many hailing from our own home country, Australia. 

Australia is blessed with some of the most unique and exotic gemstones in the world… precious black and white opal, yellow and pink diamonds well as unique and stunning parti sapphires.

When you think of a sapphire, the colour blue may immediately come to mind. However, this incredible gemstone is found in a wide array of colours, varying from black to all shades of blue, to green, yellow, pink, white, orange, violet and purple. These colours, apart from red (known as ruby), blue or white, are referred to as fancy sapphires.

Sapphire is a gem quality corundum that is hard wearing, measuring 9 on the Mohs hardness scale, making it an ideal alternative to diamond in a piece of jewellery worn every day, such as an engagement ring.

Parti sapphires are multi coloured stones that feature colour zones of two or more colours: predominantly blues and yellows - and sometimes greens. The stones are so striking as the colours contrast sometimes vividly, making them a delight for a jewellery designer. These gems are not seen in commercial, mass produced jewellery, where a manufacturer must bulk buy gems that are carefully matched in size, colour and shape. As each parti sapphire is unique, it makes the piece of jewellery, eg an engagement ring, unique to each couple.

Parti sapphires are cut from sapphire crystals that display colour zones of two or more different colours, in such a way that the colours are accentuated and shown off in distinct colour zones, or blended into more even shades. The skill and artistry of the gem cutter is truly put to the test when it comes to cutting parti sapphires! They must first carefully examine the rough, to determine the best cut to transform it into a beautiful stone that shows off its unique colour properties.

The gemstones display different colours when viewed from different angles and in different light sources, making them ideal for people who appreciate gems with personality and individuality.

Australian sapphires are all from alkali-basalt related deposits and are very rich in iron content. Most of the stones are dark blue to bluish black due to the traces of iron. Due to varying concentrations of transition elements (e.g. iron and titanium) in the chemical make-up of the parent fluids (sapphire is essentially aluminium oxide) different colours result. The parti sapphires are so special as each stone has a unique combination of zoning and banding.

We love working with this beautiful, truly unique gemstone, especially, when it's selected for a bespoke engagement ring. We source a selection of sapphires for you to view in person, prior to making this important decision, and talk you through all aspects of the design process. 

To book a complimentary bespoke jewellery design consultation, please contact us via 02 9221 1900 or email, or select a time that suits you via the button below. We would be delighted to create a unique engagement ring or piece of jewellery in collaboration with you.

BOOK AN APPOINTMENT

 

 

Image credit: https://geology.com/gemstones/fancy-sapphire/


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Ring sizes

We use Australian ring size measurements, which are in an alphabetical range from A-Z.

As your fingers contract and expand due to the temperature, humidity, exercise, etc, your ring will fit on your finger tighter or looser. Your ring should fit comfortably and you need to find a balance between too big and too small. It is recommended that you should have to push your ring on tightly over your knuckle and it should spin slightly around the base of your finger. There should be some resistance when the ring is taken off – this will help to keep the ring on when your fingers are cold or wet. The correct size is the one that you feel the most confident and comfortable with.

We suggest that you size the finger you intend to wear your ring on at room temperature – this should provide you with a size that should be close to perfect most of the time.

Top-heavy rings can tend to spin on your finger, as the base of your finger is usually thinner than your knuckle. We suggest when sizing your finger for a top-heavy ring, that you err on the tighter side, rather than a loose fit. This will mean that the ring will stay on the top of your finger and it will ultimately be more comfortable to wear.

If you’re choosing a wide ring, you will tend to go up a size. There is more surface area on a wider ring and therefore more metal to grip to your finger.

If you are interested in a ring that is 5mm or wider, we suggest going up a size (one size larger than the sizing gauge). We suggest going up another size if the ring you are interested in is 9mm or larger (two sizes larger than the sizing gauge).

If you are buying a ring as a gift for someone, we recommend that you measure the inside diameter of a ring the person you’re buying the gift for, regularly wears on the finger your gift will be worn on.

Measuring your finger

If you do not know your ring size you can use this guide to obtain an approximate measurement.

Before measuring the finger on which the ring you’re purchasing will be worn, please ensure the following:

The number that lines up with edges of the opening is the ‘interior circumference’. Please note this number and then refer to our Ring Size Chart to choose the correct ring size.

Download Ring Size Guide PDF

If you do not know your ring size you can use this guide to obtain an approximate measurement.

If you have a ring that is worn on the finger you need sizing, print out the ring size guide (take care to print it at 100%), and place the existing ring over the circles. Measure the inside of the ring against the outside of the circle. If you can hardly see the black line which goes around each circle, you have chosen the right size. Compare the ring to the adjacent circles to check that you definitely have the right size.

You can then double check this measurement by measuring the inside diameter of the ring, and matching that against the ring diameter measurements shown.

Alternatively, if you don’t have a ring available, you can measure the finger itself to obtain an approximate ring size. You can do so by wrapping a piece of string or thin strip of paper around the finger on which you wish to wear the ring, marking it with a pen where it overlaps. Measure the piece of string with a ruler to obtain the circumference of the finger, and compare that to the European Size measurement shown on the chart. We would recommend that in order to obtain the most accurate measurement when taking your ring size in this way, you do so at the end of the day when the finger is at its largest, and not when your hands are unusually cold as this would lead to a smaller ring size.

If you require any further assistance in obtaining your ring size, please  contact us and we will be happy to help.