Man Made Diamonds – Myths Vs Reality, 2009

Real lab-grown diamonds have regularly offered the tantalizing prospect of making the beauty of true, real diamond affordable to jewelry lovers around the world. Unfortunately there is nevertheless a large gap between typical media articles and the reality of what diamond growing labs can truly grow as of November 2009.

This article is consequently designed to educate diamond buyers who are interested in purchasing a real, lab grown diamond to ensure your expectations are realistic and understand what is and is not obtainable (and why). In addition, this article can help prevent you from being taken by unethical CZ sellers who advertise their product as lab grown diamond or man made diamond when their product is truly noticeably advertised CZ.

White Diamonds:

Since our last article in 2007, there has been minimal progress on larger, lab grown white diamonds, though not for without of effort by scientists. Buying a 2ct, real gem grade, lab grown white diamond is currently about as likely as you encountering a unicorn…the reality is neither, as of November 2009, currently exist.

There are only two labs that have publicly noted that they are working on growing white lab diamonds for the consumer market at this time. While one lab has had a few as large as 1ct, these were scarce occurrences and not freely reproducible to date. already after years of research and effort, the typical diamond produced is less than.50ct, and often the color is below the typical gem grade white mined diamond. The few that are obtainable typically sell for the same price as or higher than a comparable natural mined white diamond and wait times for larger sizes (.75ct and higher) can go beyond one year with no guarantee of if or when you will be able to buy. consequently the reality remains that there is no diamond seller able to offer lab produced white diamonds on a consistent, freely obtainable basis and in sizes over 1ct (as of November 2009).

Because of this disparity between supply and need for real lab grown white diamonds, there are nevertheless a number of CZ sellers who run ads, likely already showing next to this article, proclaiming Flawless Man Made Diamonds, Perfect Lab produced Diamonds or similar false claims. These are unethical sellers peddling ordinary CZ under bait and switch advertising tactics. Their product is not actual lab grown diamond (carbon), but rather CZ (cubic zirconium), a widely obtainable simulated diamond material that mimics the look of white diamond, but is not real diamond. Plain CZ has been obtainable since the 1980s and is nothing new to the jewelry market. The only twist is how many sellers have succeeded in taking advantage of the consumers knowledge gap between media articles over-proclaiming the availability of real lab grown diamonds, and the limits of what truly is obtainable in real lab produced white diamond.

Larger, 1ct and higher lab grown white diamonds will hopefully ultimately come to fruition, but for now, the market is nevertheless constrained by the extreme difficulty of growing white diamonds in sizes desirable to consumers.

Blue Diamonds:

Lab grown blue diamonds are the one high point of the current lab diamond market. Natural mined blue diamonds are produced when grown in the presence of boron, which accounts for their scarce and rare blue color. Mined blue diamonds showing a high, saturated blue color (Fancy Vivid Blue is the diamond term) of any reasonable size are extremely scarce, and when obtainable are nearly always sold via auction (Sotheby or Christies) in order for the seller to acquire maximum value for what will likely be a once in a lifetime sale. As a consequence, natural vivid blue diamonds can command prices from $565,000 per carat to as high as $1.3 Million dollars per carat. A vivid blue diamond at auction is a media event, and regularly covered as such by the press due to the extreme rarity, beauty and eye popping prices presented by mined blue diamonds.

The goods news for diamond lovers not on the Forbes 500 richest list, is that as of two months ago, real lab grown blue diamonds are entering the market in sizes from.50ct to as high as 1.00ct. Supply is nevertheless quite tight, with an average of 5-10 Vivid Blues per month becoming obtainable, but it is the first time such an option has already been obtainable on a consistent basis. Just like mined blue diamonds, lab produced blue diamonds are grown in the presence of boron in conditions identical to what happens under the earth (high pressure and high temperature) and they are the chemical, optical, and physical equivalent – the only difference is where they were born.

The pricing on lab grown blue diamonds ranges from $5000/carat to as high as $10,000/carat ($2500 is an average price for a.50ct stone). Not cheap, but an incredible bargain compared to the pricing of the mined equivalent. One point of mentioning pricing here is to show the contrast between real lab grown diamond, and the CZs being sold as lab grown diamond for $150/ct. $150/ct would not already cover the costs of cutting the material, and consequently by pricing alone you can freely ascertain which sellers are selling real lab produced diamonds versus engaging in bait and switch advertising.

In terms of diamond beauty, while the chemical composition of both lab and mined blue diamond are identical (carbon plus boron), lab grown blue diamonds freely outshine their natural mined counterparts. The reason is the cutting standards employed. Cut controls 98% of a diamonds radiance, and hence diamond beauty. Most natural blue diamonds are poorly cut in order to keep the blue coloration as high as possible, and for the simple fact that cutting for optimal beauty (light handling) would consequence in a much smaller finished carat weight.

When you are dealing with material that is that incredibly scarce and expensive (again, as high as $1.3 Million per carat and considered one of the most valuable materials in the world), the focus is on preserving as much finished weight as possible. consequently cutting for maximum beauty gives way to cutting for maximum size. From a pure diamond cutting perspective, some natural blue diamonds likely rank among some of the worst cut diamonds obtainable, showing large windows where light passes by instead of being reflected back because of the focus on maximizing the finished size (steeper angles produce better light handling, but also average less finished size).

By contrast, the lower cost of lab grown blue diamonds method they can be cut with a focus on diamond beauty and not just size. For example, one lab blue diamond recently sold was a.63ct lab grown Fancy Vivid Blue Diamond that was independently graded as an ideal cut round…something that to our knowledge has never been seen in a natural blue diamond. Lab grown blue diamonds, cut to excellent standards, are consequently finally able to unlock the true beauty of blue diamond and in that respect have surpassed their mined counterparts.

It is important to observe that the lab grown blue diamonds are identical to natural blue diamonds in every respect, including the character of being electrically conductive, something only true blue diamonds have. This rare character is a consequence of boron being part of the diamond, which allows it to conduct electricity and is also responsible for its high blue coloration.

The inclusion of boron is a meaningful item to observe when shopping, as most blue diamonds being advertised (assuming they are real diamond and not colored CZ) are natural white diamonds turned blue by exposure to radiation. Irradiated (also termed treated or enhanced) blue diamonds do not have boron in them and consequently are not electrically conductive, making identification fairly unimportant already though they are real diamond. Irradiated blue diamonds also do not show the high thorough blue coloration of boron blues – rather they are a distinctive greenish-blue – pretty in their own right, but are not the same color as real blue diamonds (lab grown or natural) and are easily identifiable as treated and not boron blue diamonds.

Lab grown blue diamonds are consequently the one recent highlight of the current man made diamond market. This is one area where limited but recent, actual availability in sizes appropriate to make an engagement ring (over.50ct), and noticeable cutting never before seen in blue diamond is perhaps producing some of the most beautiful diamonds obtainable on the planet.

Pink diamonds:

Lab grown pink diamonds are an area that presents disappointing news. There is currently no obtainable supply of new pink diamonds, and those consumers who were able to buy one of the very few pink diamonds over.50ct in the past should be very glad they purchased when they did. The only lab that produced pinks has stopped production, and no other lab has stepped in. consequently, the only top color pinks obtainable are the remainders of past production, which are virtually all below.25ct in size.

The reason for this is not without of need, as lab grown pink diamonds over.50ct were in extremely high need, with wait times measured in months for the option to buy. Rather, it is the difficulty of producing the desired pure pink or purplish pink color. Pink in lab grown diamonds is due to the creation of what are called Nitrogen vacancy centers. Basically, within the carbon lattice, you have to coax a nitrogen atom and a gap in the carbon lattice to sit next to each other. Doing so is anything but consistent, and the consequence is most of the lab grown pinks come out off pink or have gaps within the diamond coloration where parts are yellow or clear, and parts are pink (color zoning)…consequently only a small percentage of production is the truly prized, already and high pink color, and the diamond grower is left with far more unsellable off- pinks than finished and sellable high pink diamonds.

With the inability to solve this question, there is simply no new supply of lab grown pink diamonds obtainable, and likely will not be for some time. Lab grown pink diamonds over.50ct consequently ironically begin to approach the rarity of their natural mined pink diamond brethren. The only distant hope is that ultimately CVD grown diamonds will make lab pink diamonds obtainable again. The reason is that CVD grown diamonds (diamonds grown in negative pressure and with gas, mimicking conditions found in outer space) naturally include these nitrogen vacancy centers. This makes them excellent candidates for pink diamonds for jewelry use, and also for chips for quantum computing, which requires these same nitrogen vacancies in diamond.

However, growing diamonds to larger sizes and to gem quality in the CVD course of action has its own set of challenges, and consequently the consequence is no new lab grown pink diamonds are being brought to market as of November 2009.

For those few consumers who did manage to buy a lab grown pink diamond over.50ct when they were obtainable, you should appreciate that you have one of the rarest types of diamond around. Be sure to have your ring inspected yearly to ensure you do not accidentally lose the pink diamond due to loose prongs, as there is no ability to replace it currently.

Yellow diamonds:

Lab grown yellow diamonds were the first kind of lab grown diamond obtainable to consumers (around 2002) and their arrival is what sparked most of the media coverage on lab diamonds. In total, five labs ended up producing yellow diamonds for sale to the jewelry market.

However, since then, only two keep as the others have ceased yellow diamond production. The reason? Similar to pinks, producing the pure yellow that consumers expect proved to be very difficult. Most lab grown yellow diamonds are in fact either orange-yellow or brownish yellow. Achieving a pure, vibrant canary yellow was a rarity.

As a consequence, most of the labs production ended up being orangy-yellow goods that sat stockpiled at jewelers who were unable to sell these diamonds to consumers who expected pure yellow diamonds. With minimal need for what they could consistently produce, and no easy way to grow the pure yellow consumers wanted, the consequence was the exiting of most of the producers from the business of producing lab yellow diamonds.

Only one lab was able to figure out how to consistently produce the pure, high yellow most consumers want (termed Fancy Vivid Yellow) and their production is only a few stones per month. consequently, supply is a limiting factor for the best of the lab grown yellow diamonds. The good news is that a few of these have been grown to sizes approaching the 2ct range, the largest of the lab grown diamonds obtainable. Our company sold a 2.08ct lab grown vivid yellow last year, setting what we believe was the record for the largest lab grown, pure vivid yellow publicly sold.

Summary:

Hopefully this article brings you up to speed on what is and is not obtainable in real man-made diamonds as of November, 2009 and allow you to consider whether purchasing a lab grown diamond is of interest, based on what is and is not obtainable. Such knowledge will certainly help you avoid what has become a shared consumer mistake of believing the many misleading ads run by sellers promoting their CZs as lab grown diamonds.

Looking forward, there is some possibility that white lab grown diamonds in very small sizes (.10ct,.15ct) may be obtainable in the next year on a consistent basis due to a technological improvement in how to grow multiple stones in one cycle. However, that is a work in progress for now.

Growing larger white diamonds (over 1.00ct and in the colorless grade that consumers want) on a consistent and profitable basis remains a substantial challenge and a problem that unfortunately no one has succeeded at solving to date.

Lab grown pink diamonds are no longer obtainable beyond what is left from past production due to the inherent inability to produce the desired pink color on a consistent basis. CVD-grown diamonds are likely the only hope of seeing lab grown pink diamonds becoming obtainable again in the future, due to having the necessary Nitrogen and vacancy centers naturally included during growth.

The most exciting development for 2009 is the recent, consistent availability of lab grown, vivid blue diamond in sizes appropriate for diamond engagement rings (i.e..50ct and higher) and these are perhaps the first lab diamonds to truly go beyond, instead of simply match, their mined counterparts in beauty due to the higher cutting standards used.