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44 Cards in this Set
- Front
- Back
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Express a one-carat diamond in grams and milligrams. |
One-fifth gram, and 200 milligrams |
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How did the term carat come into being? |
Gemstones were measured against the carob bean. |
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What are points? |
One point equals 0.01 carats. Five Points is the same as five one hundredths of one carat. |
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How much more valuable is a one carat, colorless, top quality diamond than several total weight stones with the same characteristics? |
10 times as much. |
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What are the six basic diamond shapes? |
Round Marquise Oval Pear Heart Square |
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Baguette |
A stone cut in a long, rectangular shape. The facets look like steps, instead of triangles. |
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Tapered Baguette |
A step cut with the classic elegance of the emerald shape but not the sparkle of brilliant cuts. Tapered baguettes are trapezoids. |
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What's the difference between 1 carat, and 1 carat TW? |
TW implies the weight of more than one diamond. |
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Where are flaws called blemishes located? |
On the exterior of diamonds. |
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Where are flaws called inclusions located? |
Inside the stone. |
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Facets |
The flat, polished surfaces or planes on a diamond. |
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Table |
The large, flat, top, fasset . It has an octagonal shape, on a round, brilliant diamond. |
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Girdle |
The narrow rim around the diamond. The girdle plane is parallel to the table. The girdle is the largest diameter of any part of the Stone. |
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Crown |
The upper part of the diamond, above the girdle. |
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Pavilion |
The lower part of the diamond, below the girdle. It is cone shaped, on a round diamond. |
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Culet |
The tiny facet on the pointed bottom of the Pavilion, parallel to the table. |
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How many facets has a brilliant cut stone? |
32 upper girdle facets, plus a table, and 24 lower-girdle facets, plus a culet. |
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Bezel facets |
Kite shaped facets, on the crown of brilliant-cut diamonds. Also called upper girdle, and lower girdle facets. |
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Fancy Shape |
Any shape except round. Also called fancies. |
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What are the three main cuts? |
Brilliant Step Mixed |
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What are step Cuts called if they have clipped on corners? |
Emerald cuts. Corner clippind provides places where prongs can secure the stone. |
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Which has more facets, emerald cut diamonds or bagguettes? |
Emerald cut diamonds tend to to have more facets than baguettes. |
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Fancy Color Diamonds |
Diamonds with a natural body color other than light yellow, light brown, or light gray. |
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What are the normal colors of diamonds? |
Light yellow, light brown, or light gray |
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Most diamonds seem colorless, but if you look closely, you'll notice one of these three tints: |
Yellow, brown, or gray. Note:, the more the tint, the lower the price. |
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How many carats constitutes a small diamond? |
One-quarter carat or less is called a small diamond. |
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What are the two gold standard certifications in the diamond industry? |
GIA and AGS laboratories. They are the gold standards for the diamond industry. |
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What are melee' diamonds? |
Melee diamonds are tiny diamonds that weigh less than 0.15 carat |
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What is the most accurate way to see differences in color grades from one Diamond to another? |
View the diamond upside down, through the pavilion side. |
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Name the three types of diamond girdles. And, give a short explanation of each type. |
1) faceted,,, 2) bruted (which means frosted or waxy.) 3) polished, (having no facets. Looking like a continuous rim of glass going around the diamond. |
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Name a great way to tell if a diamond is well proportioned. |
The diamond is highly brilliant. If a diamond is highly brilliant, one can assume it is well proportioned. |
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What is the dealer's term for overall brilliance, sparkle, fire, and trasparency? |
'Life' |
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What visual effect results from a high crown? |
A crinkled appearance from the top view. |
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What is the effect on Brilliance of a high-crown cut? |
High crown diamonds may have reduced brilliance. Also, high crown diamonds look small for their weight. |
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What effect does table size have on diamond brilliance? |
If the table is too large, there won't be much Sparkle or fire. If the table is too small, the diamond won't display much brilliance. |
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What is the relationship between table size and Crown size? |
Diamonds with large tables tend to have thin crowns. Diamonds with small tables tend to have high crowns. |
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How do you measure a diamond depth percentage? |
Divide the depth by the girdle diameter. I.e 60%. For fancies, divide depth by width. |
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What are Step cuts? |
A step cut diamond features 8 lines running down the sides to draw attention to the center of the stone. It has steps running along its length in parallel lines. Step cut diamonds are known for their dazzling hall of mirrors effect. |
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What are the three diamond shapes in the Step Cut family? |
Asscher cut Emerald cut Baguette cut |
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What are three defining characteristis of Step Cut diamonds? |
1) Step cut diamonds must have a rectangular or square shape.
2) The loose diamond facets need to be rectilinear; that is, made up of straight lines.
3) The facets run parallel to the girdle. |
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What is a Mixed Cut Diamond? |
Mixed cut diamonds feature a combination of step cut and brilliant cut facets. Mixed cuts mimic a brilliant cut with their table faceting, and a step cut with their pavilion faceting. |
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What are the 8 facets that extend downward from girdle to the culet called? |
Pavilion Facets |
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How many facets are there on the crown of an ideal cut diamond? |
32 plus a table = 33. |
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How many facets are there on the pavilion of an ideal cut diamond? |
24, plus the culet = 25. |
