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Our Stones

Secrets stones are the world's most perfect diamond simulant cut by master craftsmen to the exact proportions and standards demanded by the diamond industry to ensure each stone has maximum brilliance and fire. Years of research and development by gemologists have produced a stone of such quality that it's indistinguishable from a diamond with the naked eye.

Secrets stones are grown in a state of the art laboratory from the natural mineral base zirconium oxide and this revolutionary stone is produced using intense heat and only the most perfect material is chosen for the finished product. As a result, Secrets stones have a hardness of 8.5 with a diamond measuring 10 on the industry standard MOHS scale.

Lifetime Guarantee

Secrets diamond simulants are guaranteed to retain their flawless beauty forever and this lifetime guarantee is our promise to you that your stones will be replaced for discolouration or loss of brilliance under normal wear.

Stone Terminology

Diamonds are valued on four criteria: colour, clarity, carat and cut.


Colour is graded alphabetically from D to Z, with D being the absolute finest colourless stone rating in the world. The presence of trace elements, such as nitrogen, within the atomic framework of the carbon crystal may influence the colour of a stone. Discerning the difference between each grade of colour is extremely difficult even to an expert.

Secrets stones are equivalent to D or E colour when compared on the diamond colour scale due to the superior quality of the material used.


Clarity is determined by the levels of imperfection in a stone. Almost all diamonds have very tiny internal marks (inclusions) and external irregularities (blemishes). Many inclusions are not discernible to the naked eye and can only be seen under magnification. A diamond can be described as "flawless" only if it has no visible imperfections when viewed under 10X magnification by a skilled diamond grader.

Secrets simulated diamonds are of flawless clarity, no blemishes are visible with a 10 x magnification jewellers loupe. This total absence of the impurities or flaws normally found in diamonds is due to the state of the art techniques employed in the creation of our simulated diamonds which allows for maximum brilliance.


The weight of a diamond is expressed in carats. The word carat originates from the seeds of the carob tree, which are well known for their uniformity and consistent weight. Historically diamonds and gemstones were weighed against these seeds. Nowadays it is a bit more scientific.

One carat is defined as one-fifth of a gram or 200 milligrams and because the carat is a measure of weight rather than size, two stones that have identical carat weights may actually appear very different depending on their exact geometry, proportions, and shape. In general, compact shapes such as round diamonds appear to be the smallest based on a comparison of carat weight and visual size, whereas longer gems such as emerald cuts or marquise shapes maximize the stone’s table with the illusion of greater size for the same carat weight.

The specific weight of a Secrets simulated diamond is heavier than a diamond so we measure our stones in millimeters and cross reference that to a diamond carat size e.g. 6.5mm diameter simulated diamond is the same size as a 1carat diamond.


Whatever the size and shape of the raw material, a well-proportioned and well cut diamond optimizes refracted light which creates brilliance and fire. Diamonds are cut with facets, or separate flat surfaces, which follow a mathematical formula and are placed at precise angles in relation to each other. This relationship is designed to maximize the amount of light refracted through the diamond and thereby increase its sparkle and beauty.

Secrets simulated diamonds are cut using exactly the same methods as the diamond industry. Secrets use only the best master craftsmen and polishers to make sure every stone is cut to perfection.

An example of the exacting proportions of the round brilliant cut is detailed below.

Secrets round brilliant cut stones all possess 58 facets and are cut with a hearts and arrows pattern. This is a high standard of cutting due to the loss of weight from the rough and the time taken to perfect it.

When viewed from above, hearts and arrows are seen as a series of eight gray arrowheads with intersecting hearts - these are highlighted on the diagram below.

Our Coloured Stones

Secrets also create an array of sparkling coloured stones that are then cut by master craftsmen to the same exact proportions and high standards as our white stones.

Our Designs

Secrets jewellery is designed and crafted by a team containing some of the world's most talented master jewellers, setters and polishers that have a long track record of producing jewellery of the highest quality to exacting standards.

Our signature designs are created from 14ct or 10ct Gold or sterling silver.

We can specially make any piece from our current range should you find it unavailable and this will take approximately 6-8 weeks. This excludes any limited release or seasonal items. Some styles in particular sizes will require a new master pattern to be created which may incurr an additional fee.

Stone Shapes

Secrets designs come in an array of stone shapes and the information below shows you the history and inspiration for those shapes.
The modern Round Brilliant cut came into existence roughly 60 years ago and is an adaptation of the brilliant cut that’s been around since the early 18th century that remains the most popular cut to this day. A brilliant cut possesses 58-facets; divided among its crown (top), girdle (middle top) and pavilion (base). The result of which, if well cut, is a firing gem that shines with brilliance. All Secrets simulated diamonds are cut with 58 facets and all feature hearts and arrows.
The Princess cut combines the high degree of light return of a round brilliant cut with a distinctive shape. The princess cut is relatively new being created in the 1960’s. It often finds its way into solitaire engagement rings or earrings. This design is very well suited for long fingers. All Secrets princess cuts are double faceted to increase the sparkle
The Emerald cut includes what are called “step” cuts. These comprise larger facets, which act like mirrors. There are fewer facets than most other cuts and because of the size and shape of these, the emerald cut shows less sparkle than the brilliant cut diamonds. However, the emerald cut has a classic beauty and elegance quite distinct from the fire and brilliance of others.
The Asscher cut is a unique design created specifically for the Dutch Royal Family in 1902. It has an almost octagonal shape and was a departure from the popular brilliant cut of the 1800s, and it became the forerunner of the standard Emerald cut. Its beauty however is breathtaking due in part to the angled corner facets which gives it a look of an inverted pyramid. It is also commonly attributed as having an Art Deco look which confers real class on the style.
The Radiant cut has 70 facets and is a variation of the brilliant cut. The crown section has a combination brilliant-step cut arrangement and the pavilion section has more of a brilliant styling with a slight step-styling in the upper sections just below the girdle. This is a supremely elegant style and the rectangular proportions lend themselves too many different styles of design.
The Heart shape is also a brilliant cut and sparkles accordingly. Its enduring appeal is in its elegance and as the eternal symbol of love
The Marquise cut is another adaptation of the 58 faceted round brilliant cut. This shape complements long slender fingers particularly well. The crown is modified in the marquise to form what is called a “French Tip”, where the bezel facet at the point of the stone is eliminated. Marquise diamonds have an elongated shape with pointed ends supposedly inspired by the smile of the Marquise de Pompadour and commissioned by the Sun King, France's Louis XIV
The Oval shape is also brilliant cut, borrowing the same faceting techniques from the round brilliant although additional facets are added to assist in the elimination of the “bow-tie effect” in the mid-section of the stone.
The Pear shape is also brilliant cut, except the proportions are elongated along the tip. One of the keys to cutting a good pear shape is the reduction of the bow-tie effect that appears in the lower mid-section of the stone. Additional facets are also added to the tip of the stone (called “French Tipping”) to counter light leakage in the area.
The Trilliant cut is, as the name suggests, cut in the shape of a triangle. It possesses sides equal in length and usually contains 50 facets and as a consequence makes its way into many leading designs.
The Cushion cut was one of the most popular cuts up until the early 1900’s and the advent of electricity. The shape was enhanced by the shimmering and flickering of candle light and was often referred to as the Pillow Cut due to its slightly rounded sides.

Care & Maintenance

Congratulations on purchasing your beautiful Secrets jewellery. We would like to share our secrets on how to care for your jewellery.

SECRETS DIAMOND SIMULANTS will retain their flawless beauty forever. If your stone is not looking as sparkly as it should then a simple clean is probably all that is needed.

Secrets use both 10 carat & 14 carat gold. These contain 41% and 58% pure gold respectively. We use these because they offer you a hard wearing, bright finish at a great price. Yellow gold will keep its colour and rarely need to be polished. If you have a special occasion we can polish your yellow gold item to really make it shine. Ask in store for our yellow gold polishing and cleaning prices.

White gold is produced by mixing pure yellow gold with white metals (alloys) which turns the gold a greyish colour. A white gold item is then rhodium plated to give a bright, white finish. Rhodium is a hard, durable metal that is highly reflective and a member of the platinum group of metals. Over time under normal wear, this rhodium plating will wear off, so white gold items need ongoing care. To ensure your white gold ring looks its best, you will need to have it re-rhodium plated periodically. This is standard for all white gold jewellery. Ask in store for our rhodium plating price.

All SECRETS silver jewellery is plated using an industry standard rhodium this is a hard, durable metal that is highly reflective. This gives the silver a bright, white appearance and stops silver tarnishing. Over time due to normal wear this Rhodium plating will wear off. In most cases the item can be re-plated. Ask in any of our stores for more information on rhodium plating silver.

Fresh water cultured pearls are delicate and should be treated with care. To clean them simply wipe with a clean, soft, damp cotton cloth. Your pearls’ surface can be damaged if exposed to rough surfaces including tissue paper and chemicals such as washing detergent and ammonia.

  • Dust
  • Lotion
  • Soap
  • Daily wear
These can cloud and dull the surface of your gold and stones. We suggest the following basic care steps.

Using Secrets exclusively manufactured jewellery cleaning solution will quickly remove residue and dullness from your Secrets gold jewellery (Do not use on silver, pearls, opal and other delicate jewellery). Please follow the directions on the bottle.
You can purchase Secrets exclusively manufactured cleaning solution from any of our stores.

All Secrets stores offer a complimentary cleaning service. Call into any of ours stores nation wide and we will professionally clean your jewellery for you anytime.

Precautions to protect your jewellery
Secrets diamond (and coloured stone) simulants should be given the same level of protection and respect as a diamond; even a diamond will chip/break if hit with force.
Gardening and heavy lifting can expose your jewellery to damage; avoid wearing your jewellery during these activities.

Hard and abrasive surfaces can damage your Secrets precious gold jewellery. Please take care to avoid any surfaces that may damage your jewellery.

All jewellery requires maintenance. We recommend that you take your Secrets jewellery to your nearest Secrets store for an annual maintenance check where our qualified jeweller will clean, polish and check your Secrets jewellery. An industry standard fee applies to this service.