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Lab Grown Diamonds

Me Jewellery are your Central Coast, Australia and New Zealand stockists of Lab Grown Diamonds. You may prefer to know that you are helping the environment and have a 100% guarantee that your Diamond is ‘Conflict Free?’.

Lab Grown FAQ’s are listed below.

What are Lab Grown Diamonds?

Lab Grown Diamonds are exactly that, CREATED above the ground in a laboratory! Not dug out of massive holes in the Earth and under terms of war and corruption. Me Jewellery are proud to offer these laboratory-grown diamonds as an alternative to natural mined Diamonds.  Lab Grown Diamonds are sustainably cultured by recreating the extreme pressure and temperature required to convert carbon into a diamond crystal structure found in nature.

Lab Grown Diamonds have the same exact same crystal structure, chemical composition, optical properties and physical properties as a mined diamond – carbon atoms arranged in a cubic crystal structure. Diamonds are not fake, stimulants, or cheap substitutes.

We trust that our mined Diamond suppliers are giving us conflict free diamonds as they advocate, but if you are unsure about the diamond mining industry, yet still want a beautiful diamond then Lab grown are a very good alternative.

We have access to Lab Diamond suppliers in Australia, giving us fast access to supply to you. A huge range of other IGI Certified Lab Diamonds. (‘IGI’ International Gemological Institute in Antwerp or the USA) from 0.01cts to over 5.00cts.  We have Round Lab Grown Diamonds, Princess Cut Lab Grown Diamonds, Oval Lab Grown Diamonds, Marquise Lab Grown Diamonds and other Fancy cuts of Lab Grown Diamonds.  We are happy to courier these diamonds to you anywhere in Australia, New Zealand or further abroad. 

We will price match or beat your Lab Grown Diamond quote in Sydney, Newcastle, Melbourne, Brisbane, Adelaide, Tasmania, Darwin, Perth – wherever you are.

Learn more: Scroll down to FAQ’s about Lab Grown Diamonds

Natural Diamond Open Cut Mine

Alrosa Diamond Mine

Lab Grown Diamond Laboritory

Lab Grown Diamonds FAQ

Lab Grown Diamonds FAQ

Yes, they are considerably cheaper, you can expect to pay around 30-40% cheaper than a mined White Diamond equivalent, a third of the price for a Yellow and less than a tenth for a Pink or Blue naturally formed Diamond.

They are Diamonds – They are Identical !

Lab diamonds a created with the same elements as mined. They are sustainably cultured by recreating the extreme pressure and temperature required to convert carbon into a diamond crystal structure found in nature. Lab Grown Diamonds are equivalent in strength to mined diamonds because they are Diamonds, and so are the hardest material on Earth. Diamonds are approximately 10 times harder than Sapphire and 100 times harder than Cubic Zirconia.

While the process to grow diamonds is different to the way a natural diamond is formed they are cut just like a Natural Diamond, and so they come in all available shapes.

Lab Grown Diamonds are graded on the exact same criteria as mined diamonds, The Four C’s, ie Cut, Colour, Clarity, Carat. These diamonds are also graded by the top Gemological laboratories that grade Earth-extracted diamonds.  We only supply and Sell Diamonds from reputable Diamond Laboratories.

Me Jewellery offer diamond certification with all of our Lab Grown Diamonds over 0.30ct. Most Lab Grown Diamond certifications are from the International Gemological Institute (IGI), Gem Certification & Assurance Lab (GCAL) or the Gemological Institute of America (GIA).

In fact all our Lab Grown Diamonds are laser inscribed giving you peace of mind that it is an fact a lab Grown, Conflict-Free Diamond. 

Learn More about Diamond Education

The short answer is NO, Lab Grown Diamonds have identical Carbon properties as naturally formed diamonds, even the latest diamond testing probe testers will of course verify that it is in fact a diamond. Only extensive testing from a Gemmological testing lab will determine their true origin.

The process to develop precious diamonds in a laboratory is fundamentally the same as the geographical development process of Natural Diamonds only alot faster. Similar to Natural Diamonds Lab Grown Diamonds exhibit flaws and colour variations within the gemstones and are certified in the same way.

There are 2 processes to grow them – HPHT (High Pressure High Temperature) 
and CVD (Chemical Vapor Deposition)  – See below for further detailed explanations of their manufacturing processes.

At any one time there are up to 20 million carats of diamonds being dug up, cut, and polished every year, with billions of carats more in existing mines. One current major natural diamond company estimates its current diamond reserves at 479.7 million carats.  To build production facilities of Lab Grown Diamonds big enough to produce 1% of the current mined stocks would mllions and millions of dollars build these Labs. If indeed some companies do start large scale production, It will take many years before lab diamonds affected the market.

This misconception hinges on three incorrect assumptions:

  1. Diamonds are an extremely rare gemstone and always will be. Especially Coloured or White Diamonds with High colour and Clarity.
  2. There will be more Lab Diamonds grown and saturate the market reducing the rarity of diamonds (see previous Q&A)
  3. It is cheaper to grow diamonds than it is to mine them, so Natural Diamonds will always hold a price premium
  4. For long term diamond investments we would suggest Pink Diamonds from the Argyle Mine.

It is important to note the vast distinction between lab grown diamonds and diamond simulants. Lab grown diamonds are man-made diamonds that consist of actual carbon atoms arranged in the characteristic diamond crystal structure an Octahedron. Diamond look-alike simulants, such as Cubic Zirconia and Moissanite, are not true carbon crystals. The costs associated with Simulants is considerably less and they do not have the same chemical and physical properties as diamonds.  These simulants also have a lower hardness and make them prone to scratching and more importantly, they will not have the ‘Sparkle’ that a Diamond has.


At this point it is hard to say if Lab diamonds will hold there value, however at the moment the demand is so high, its hard for the Labs to keep up. Mass production may see the value change. As a diamond is mostly bought for a symbol of love and commitment, and for some luxury, so the sentimental value out ways the monetary value in the end, and is generally passed onto a loved one. It is very hard to sell a second hand mined diamond, even with high value. So time will tell on this question.

If you are looking for a Diamond for Investment purposes, then we can help you with Natural Pink Diamonds From the Argyle mine in Western Australia.

No, everthing is included, GST, Shipping and all Duties and tax’s.

Lab Grown/Created methods and a Natural Diamond Crystal

What's the difference between CVD and HPHT Lab Grown Diamonds?

The first successful synthetic diamond was made by imitating nature with High Pressure/High Temperature (HPHT) manufacturing. Over the years three main types of HPHT processes have been developed to make or often enhance these diamonds:

  • Cubic Press
  • Belt Press
  • Split-Shpere (Bars) Press

The objective being to create a similar environment to that of Earth , extreme heat and pressure. Each process method starts the same way,  with a little diamond seed, which is placed in carbon and subjected to these forced pressures and temperatures.

An invention or the General Electric Company, ‘the Belt Press’ uses upper and lower anvils to squeeze over 1.5 million pounds or pressure per sq. inch and temperatures well above  2,000 degrees Celsius. Whilst in this environment, the pure carbon slowly melts and begins to make a diamond around the seed.

On December 16, 1954, the first Lab Grown Diamond was created using the “Belt Press” method.  Although tiny and slightly opaque, one had been created and opened the door for further experimentation.

Since the 1950’s technology has advanced ten-fold. The early Belt Press Process were  dramatically scaled up, new methods like the Cubic and Split-Sphere presses were  introduced, and are bigger, more efficient and produce far better gem quality Diamonds.

HPHT Diamonds are classed as a Type II

Your Diamonds Report/Certificate will usually describe the Diamonds Growth method.

CVD or Chemical Vapor Deposition is the new player in town to produce Lab Grown Diamonds. This process uses a hydrocarbon gas mixture. As with the HPHT method, it starts with a seed, this time the seed is usually a thin slice of a HPHT diamond. The seed is placed in a pressure and heat resistant chamber and  heated to around 800 degrees Celsius. The chamber is then filled with a carbon-rich gas (usually methane) along with other gases. The gases are ionized into plasma using microwaves, lasers, or another techniques. The ionization splits the bonds between the molecular particles within the gases, resulting in pure carbon that then adheres to the diamond seed and gradually builds up into a crystal lattice, atom by atom, layer by layer.

Again there are different methods of CVD Diamond Production

  • Microwave Plasma Chemical Vapor Deposition – (MPCVD)
  • Plasma Enhanced Chemical Vapor Deposition – (PECVD)
  • Low-pressure Chemical Vapor Deposition – (LPCVD)
  • Ultra-High Vacuum Chemical Vapor Deposition – (UHVCVD)

The CVD Diamond process has a few advantages over the HPHT process. The extreme high pressures aren’t required, and the temperatures required are no where near as high as the HPHT Process. Another benefit is CVD diamonds can be grown over larger seed plates, bring in a better yield .

Finally, the CVD Diamond process allows manufacturers to fine tweak and control the growth process better to produce better results.

How Long does it take?  a CVD Diamond can be created around 6 to 12 weeks, a sizeable rough diamond is formed.

Colorless and near-colorless CVD diamonds are usually type IIa, while only 2% of natural gem diamonds are type IIa. Type IIa diamonds are characterized by high purity (low nitrogen) and transparency in specific parts of the ultraviolet and infrared optical spectrum. Numerous UV detection instruments on the market can provide the first indication of a possible CVD diamond.

Intense research is ongoing around the world into the field of Chemical Vapour Deposition, and each day the technology is improving. CVD diamonds can be grown in a range of colors and sizes, with high clarity. The gemstones produced are as beautiful and durable as natural diamond, and they are expected to fill an important market niche in the near future.

Your Diamonds Report/Certificate will usually describe the Diamonds Growth method.

What's does 'Post Growth Treatment' mean?

Some Lab Grown Diamond Certification Reports often indicate the Growth Method and if there has been any “Post Growth” treatment.

Like anything we grow or make, sometimes things aren’t perfect enough, Lab Grown Diamonds are no exception to this.  After growth some diamonds can show irregular colours and clarities.  Sometimes reheating them to extremes temperatures will reduce and or enhance a Diamonds Colour and Clarity.

Examples of such are seen below which are recorded on the Diamonds report;

  • As Grown – No Indication of post growth treatment. This Laboratory Grown Diamond was created by High Pressure Heat Temperature (HPHT).TYPE II
  • This is a man-made diamond produced by HPHT (High
    Pressure High Temperature) growth process. No evidence of
    treatment was detected.
  • This is a man-made diamond produced by CVD (Chemical Vapor
    Deposition) growth process and has evidence of post-growth
    treatments to change the color
  • may include post-growth treatment.

Note: Nearly all Fancy Coloured Lab Grown Diamonds have some form of Post Growth Treatment.

Sonny - 1.03ct Round Brilliant Cut Lab Grown Diamond. H-VVS2
Sonny - 1.03ct Round Brilliant Cut Lab Grown Diamond. H-VVS2
Cairns - QLD
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Amazing experience working with Mark from Me Jewelery We were looking for a diamond for our engagement ring, so we started searching online, you get bombarded with all the big online overseas retailers hammering you with ads & searches. So I started looking through their catalogues & talking with their experts. They asked you a few questions, looked at your budget & just put 3 options in front of you & said these were great for what you are looking for. Not really explained why these particular diamonds were suited to us or what other options we could look at. From all the work I had done learning about diamonds I think I could've chosen better diamonds traits at the same price. This was something that had to mean something to us, it was special & not just here is 3 options pick one & send us your card no. It had been 3 months of searching & learning & to be honest we were kind of just at that point where you just wanted it over & done ................."click to read more".
Jade & Tim - Trilogy Engagement Ring with three identical Ideal Cut  'Hearts & Arrows' Round Brilliant Cut Diamonds.
Jade & Tim - Trilogy Engagement Ring with three identical Ideal Cut 'Hearts & Arrows' Round Brilliant Cut Diamonds.
Bayswater - WA
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Unbelievably good experience building our custom ring with Emma and Mark. Not only were they very patient with our millions of questions, they kept us updated through every step of the process, ensuring the finished product was exactly what we were after. Absolutely in love with my engagement ring and couldn't recommend them enough-thank you!

We also offer some gorgeous Fancy Coloured Lab Grown Diamonds in various shapes, sizes, colours and clarities.

Just like White or Colourless Lab Grown Diamonds, Fancy Coloured Lab Grown Diamonds are a great alternative to naturally mined Coloured Diamonds, just without the exorbitant price tag.

Fancy Coloured Diamonds come in Fancy Vivid Pink similar to the Argyle Mined Diamonds, Bright Blues, Stunning Greens, Yellow, Oranges and all the colours in between.

Fancy Vivid Pink Lab Grown Diamond


This fancy coloured Pink lab grown diamond weighs exactly 1.00ct and has a clarity of VVS. IGI Certified. Search our live Inventory or get in touch for more options.

Vivid Blue Lab Grown Diamond


This fancy coloured Blue lab grown diamond weighs exactly 1.01ct and has a perfect clarity of Internally Flawless. IGI Certified. Search our live Inventory or get in touch for more options.

*Images: The images used- on this page are borrowed from other sources and are not associated with Me Jewellery. We are using these images as ‘Fair Use’ by education and will remove them if requested to do so.