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Every diamond is the unique product of heat and pressure over billions of years. So, how is one different from another and how do you determine its value?
The Gemological Institute of America (GIA) created the globally accepted standard of diamond grading, commonly known as the four C’s: Cut, Color, Clarity, and Carat. Creating a standard for diamond grading makes it easier to determine the value of each stone.
Here is what you should know about the four C’s and how to apply them to your buying process.
When you think of a diamond cut you probably think of the shape (round, princess, etc.), but the cut grade is so much more than that. The cut grade is about how well the facets interact with light.
There are three subcategories that make up a diamond’s cut grade according to GIA: proportions, symmetry, and polish. Cut grades range from Excellent to Poor for round brilliant cuts. Fancy shaped diamonds like princess or cushion cut often have polish and symmetry grades, but there is no set standard for ideal proportions on fancy shaped stones like there is for round brilliant cuts.
Of the four C’s, the cut grade is the most challenging characteristic to evaluate and grade.
Diamond graders view light return in three different forms:
A cut grade also takes into consideration stone depth, girdle thickness, facet symmetry, and the quality of polish on the facets.
Color grading for most gem-quality diamonds is based on the absence of color. You measure colorlessness on a letter scale ranging from D color (completely colorless) to Z color (light color). A grader will evaluate the stone under controlled lighting conditions and compare to masterstones to determine the color grade of a stone.
*Keep in mind, Fancy Colored Diamonds, like Fancy Yellow or Brown are on an entirely different color scale*
Clarity is the absence or presence of inclusions or blemishes in a gemstone. Inclusions are commonly referred to as flaws in the diamond, but this is a little misleading. Internal inclusions and external blemishes are created during diamond formation.
Diamond graders determine clarity grade by evaluating the types, size, position, and number of inclusions or blemishes in a stone. The closer a diamond is to perfectly pure, consequently the more rare and valuable it is.
Clarity grades range from Flawless (F) to Included (I1, I2, I3).
Carats are a unit of measurement for a diamond. Specifically, a “carat” is 200mg. Carats are divide into 100 units or points and measured to the hundredths place, for example 1.52 carats.
Two diamonds of the same weight can have very different values depending on clarity, cut, and color. Also, pricing jumps exponentially when the size hits certain “magic” numbers like 1.00, 1.50, and 2.00 carats.
The four C’s combined establish a standard for determining diamond value. The true value is creating a memorable experience when you purchase a diamond or give one as a gift.
Do you love showing off your car and getting great discounts on luxury watches?
Our Wheels & Watches Car Show will take place at our Ahwatukee store from 10AM-12PM. We welcome both new and classic car models to join us!
We will compile our pre-owned and closeout watch inventory for you to purchase at great discounted prices.
RSVP today! (480) 706-1850
Mother’s Day will be here before you know it. Don’t worry! We’ve got you covered with our Mother’s Day Pendant Sale!
Choose one of these Mother’s Pendants and customize with the birthstones you want for just $99 in sterling silver and $249 in 14K white, rose, or yellow gold.
The prices include up to 3 stones, each additional stone is $20. Diamond, sapphire, ruby, and emeralds are an additional charge.
Contact a salesperson for more details!
A big thank you to everyone who came out for our 2017 Holiday Party and Toy Drive! Your donations benefit Cardon Children’s Medical Center in Mesa, AZ.
For those who don’t know, each year we gather gifts with the help of our great customers for the Toy Closet at Cardon Children’s Medical Center. Throughout the year as young patients undergo difficult treatments they have the opportunity to pick a toy from the closet as a reward for their bravery.
Your small donation will make a difference in young patients’ lives throughout the whole year!!
For more ways to give visit the Cardon Children’s Medical Center website.
Come join us at our annual holiday party Thursday, December 7th from 6 – 8PM. There will be food, drinks and plenty of fun!
Bring an unwrapped toy to be entered into a raffle for great prizes. We look forward to seeing you there!
Present this offer at our sister company The Vault and receive a FREE 3″ x 5″ x 24″ safety deposit box for one year – A $125 value! For more information about safety deposit boxes visit The Vault website.
We’re hosting a party kick off the Care Card promotion on October 20th and 21st!
The Care Card is a promotional card you can purchase for $60 which gives you discounts on numerous businesses throughout the Valley between October 20th – 29th. The proceeds from the Care Card promotion benefit the Foundation for Blind Children.
You can purchase the Care Cards in store or online at the Board of Visitors website.
We’re opening our vault for one week only! Don’t miss out on our Annual Estate Sale, August 14th – 19th. This is the perfect opportunity to purchase fine diamond and gemstone jewelry at insanely discounted prices.
Come early for the best selection or make an appointment with a salesperson today!
Take advantage of this special opportunity to get brand new, designer jewelry for up to 80% off of retail. Join us May 5th through 7th and find a beautiful pieces for yourself or a loved one.