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Diamonds
Get to educate and understand about diamonds, the 4 c and lab-created (lab-grown)
The History
The diamond is more than just aesthetically beautiful – it’s an enduring symbol of love, romance and commitment. The stone’s name is derived from the Greek word Adamas which translates to “unconquerable.” This symbolic meaning lends itself well to the diamond’s historic commemoration of eternal love.
The Origin
Your diamond has made quite a remarkable journey – consider the fact that almost all-natural diamonds have ages between one billion and three and a half billion years and were formed at depths beyond 100 miles deep within earth’s mantle.
Diamonds are born when carbon is subjected to the extremely high pressures and temperatures found at the earth’s lithosphere. It is then pushed violently upward until it arrives near the earth’s surface where it is forced from its hiding place by nature or by man. Finally, it is cleaved, cut and polished until its natural beauty shines through. The earliest diamonds were discovered in India in 4th century BC.
In The Early 1700 As India’s Diamond Supplies Began To Decline, Brazil Emerged As An Important Source.
However, the story of the modern diamond market really begins on the African continent in 1866 with the discovery of diamonds in Kimberley, South Africa. As years passed diamond mining expanded dramatically with the discovery of higher-quality white and yellow diamonds in Russia. In the years to follow, Australia rose to prominence with the offering of beautiful pink and red colored diamonds followed by new important deposits found in northern Canada.
Today, The World’s Diamond Deposits Are Slowly Becoming Depleted; Less Than 20% Of The Diamonds Mined Are Of Gem Quality.
Typically, more than 250 tons of ore must be mined in order to produce a one-carat, gem-quality stone. Much has changed too regarding the regulation and control of the flow of rough diamonds into today’s market. In November of 2002, the United Nations adopted a landmark resolution known today as the Kimberley Process. This certification process was enacted to mitigate the trade in “conflict diamonds.” We at Sky Diamonds strictly support ethical diamond practices and offer only diamonds that have adhered to the Kimberley Process.
The diamond’s rarity, beauty and strength make it a natural symbol of resilience and longevity. Just as each diamond possesses its own unique and beautiful journey, so too does Love.
Choosing The Right Diamond Shape
The 4 Cs Of Diamond Quality
The First C: Cut
The Cut is a diamond’s most important characteristic and has the greatest influence on a diamond’s beauty. Cut is often misunderstood as the shape of a diamond but it actually refers to the pattern, proportions and finish. Cut is graded on a scale from excellent to poor and considers the diamond’s brightness, fire, scintillation, weight ratio, polish and symmetry. A diamond should not be cut too shallow or too deep in order to ensure the maximum light return or sparkle inherent in each stone. Generally, the quality of the cut can mask other diamond characteristics. Color, clarity, even carat weight are mostly determined by mother nature. Cut is designed by man to maximize brilliance and sparkle.
Total Depth
- Possible grade
- Parameter range
- Excellent
- 57.5% to 63.0%
- Very good
- 56.0% to 64.5%
- Good
- 53.0% to 64.5%
- Fair
- 51.9% to 70.9%
- Poor
- <51.9% to >70.9%
Table size
- Possible grade
- Parameter range
- Excellent
- 52% to 62%
- Very good
- 50% to 66%
- Good
- 47% to 69%
- Fair
- 44% to 72%
- Poor
- <44% to >72%
The Second C: Carat Weight
The size of a diamond as measured by its carat weight has great bearing on its desirability and value.
Larger gemstones, especially diamonds, are relatively rare and are of greater value, though a larger diamond can be worth less than a smaller one depending on other factors, such as cut, clarity and color.
The Third C: Color
Describes the amount of color the diamond contains and ranges from colorless to light yellow. The evaluation of diamond color is based on the absence of color.
The Fourth C: Clarity
Describes the purity of the diamond. Most diamonds contain tiny natural marks called inclusions. The number of inclusions, their size, their color, their nature and location all affect the diamond’s clarity grade.
What is a Certificate?
A certification is an independent quality report on a specific diamond. It is issued by a diamond grading laboratory with no affiliation to any retail outlet. This gives the customer a completely objective opinion on the diamond’s quality. The certification includes the exact measurements, proportions, color grade, clarity grade, cut grade and carat weight of the diamond. It also includes specifics that most jewelers do not have the equipment or the knowledge to determine, such as the diamond’s fluorescence, polish and symmetry. Each certificate is numbered, dated and illustrates the internal and external characteristics of a diamond.
As a direct diamond importer, we certify our diamonds with the leading diamond laboratories in the world:
- GIA (The Gemological Institute of America): established in 1931 and is recognized as the world’s foremost authority in diamond grading.
- IGI (International Gemological Institute):established in 1975, IGI is the world’s largest independent gem certification and appraisal institute for diamonds, colored gemstones and jewelry.
The primary difference between the above laboratories is their grading standards; in general, the GIA is stricter than the EGL and the IGI. There are also other labs that certify diamonds and their grading standards may vary.
How is a Certificate different from a jewelry appraisal?
At first, a certificate and an appraisal may seem like a similar document – however, they are vastly different.
An appraisal is a document created for the customer by a jewelry store. There are no industry established guidelines when creating an appraisal, and for that reason the appraisal is based solely on the professional opinion of the jeweler.
A certification, however, is regarded as the undisputed, independent quality report of the diamond that has been determined by a laboratory that does not benefit financially from the sale of the diamond.
At Sky Diamonds we offer both certified and non-certified diamonds – all provided to you with a complimentary appraisal for your records and insurance purposes.
LAB Created Diamonds (Lab Grown)
In lieu of diamonds mined out of massive holes in the earth, SKYLINE proudly offers diamonds that are sustainably cultured by recreating the extreme pressure and temperature required to convert carbon into a diamond’s crystalstructure.Today the proprietary process for growing diamonds is one of the mostprecise and difficult manufacturing techniques that humans have ever achieved.So, the question is now, “are lab-created diamonds, real diamonds?” Theanswer is a very simple, yes.The only thing that makes a lab-created diamond different from a naturaldiamond is its origin. A lab-created diamond is grown inside a lab usingcutting-edge technology that replicates the natural diamond growing process.The result is a man-made diamond that is chemically, physically, and opticallythe same as those grown beneath the Earth’s surface.The diamond grading process is roughly the same for all of the diamondcertification labs. Each diamond is graded independently by several gemologistsat the lab and the individual grades are then compiled and analyzed todetermine the final grade.
