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SHOP GIFT CARDS
Gift of Gleem
TIFFANY & COSHOP THIS BRAND
Alloys are formed when two or more elements are combined to form a different type of metal with special attributes. The new metal is typically stronger, more durable, and may be a different color.
An Anniversary Band is a ring in which gemstones have been set one-third to one-half of the way around the perimeter. Anniversary bands can be the same width all the way around or they can be tapered. Typically anniversary bands are set with diamonds and symbolize romance.
Arts And Crafts
Axis Of Symmetry
A Bail is the top loop on a pendant that the chain slides through. Bails come in many different shapes, sizes and designs. Changing the bail on a pendant can make a big difference, both for aesthetic reasons and for strength.
no raised elements, although decorative designs can be engraved or cast into the piece. They can be thick or thin. Occasionally, gemstones will be flush set in bands.
Bar And Ring Clasp
June Pearl or Moonstone
November Topaz or Citrine
December Turquoise Tanzanite, or Blue Zircon.
Black Hills Gold
Black Star Diopside (Black Star Of India)
Butterfly Wing Jewelry
Cat's Eye Chrysoberyl
Chatham Synthetic Ruby
Contra Luz Opal
Dog Tag Jewelry
Doubly Refractive Stone
set with a larger diamond in the center as the focal point. Oftentimes, this diamond is surrounded by smaller diamonds. Designs range from simple, single stone settings to complex and wildly imaginative creations.
Finger Ring Size
Flat Bottom Shank
Fleur De Lis
In the laboratory, special ultraviolet lamps are used to check for this but the sun is also a source of ultraviolet rays so diamonds will react in daylight as well. About one third of all diamonds fluoresce. Of these, the most common color is blue, but diamonds can fluoresce other colors. More than 95% of those that do fluoresce will fluoresce blue. The next most common color is yellow. Any other color of fluorescence would be rare.
When a diamond fluoresces blue it has a tendency to appear higher in color than its true body color. This is a good thing. However, many years ago, fluorescence was thought to be a negative; it was thought that perhaps the color grade assigned was lower than its apparent color, so people were fearful that they would be paying too much for a diamond. For example, a J color diamond might look like an H or an I color if it had fluorescence. But as long as the diamond is correctly graded as J, then the fluorescence is really a bonus. The diamond looks higher in color than the price suggests.
Two factors should be considered regarding fluorescence. The first is the color of the fluorescence. If the diamond fluoresces blue, it may be a positive factor since it will make the diamond look whiter. However, note that there is still a stigma against fluorescence and some people will simply not buy the diamond and some sellers will offer a discount for fluorescent diamonds in the higher colors. If the diamond fluoresces yellow, this is a negative factor because the diamond will look lower in color in ultraviolet light.
The second factor is the strength of fluorescence. The range of strengths as reported on laboratory grading reports is None, Faint, Medium, Strong, Very strong. Some labs use the term Negligible for any diamond with no fluorescence or faint fluorescence. Sometimes when a diamond has very strong fluorescence, the diamond will have an “oily” look to it, even in normal lighting conditions. When this happens, a negative value is expected. The range of discounts that might be realized are anywhere from 0% to 15%, but a large discount is rare. Occasionally, a slight premium of 1% to 3% might be added for a diamond that is in the lower color grades but exhibits fluorescence.
Fold Over Clasp
Grossular Colorless, orange, yellow, pink, or brown
Pyrope Colorless, pink, or red
Pyrope-Almadine Red-orange to red-purple
Chrome pyrope Orange-red
Almandine Orange-red to purple-red
Hessonite Yellow-orange to red
Topazolite Yellow to orange-yellow
Malaia Yellow to red-orange to brown
Andradite Yellow-green to orange-yellow to black
Demantoid Green to yellow green andradite
Tsavorite Green to yellow-green
Pyrope-Spessartine Green-yellow to purple
Color-change garnet Blue green in sunlight; purple-red in incandescent light
Transvaal "jade" Bright green grossular garnet
Uvarovite Emerald green
Xalostocite Pink grossular garnet. Garnets are any of a group of semi-precious silicate stones that range in color from red to green (garnets occur in all colors but blue). Some garnets used as gemstones include pyrope (the deep red garnet), almandine, spessartine, grossular, the iron-aluminum dark red garnet (also known as the carbuncle stone), Uvarovite (rare), and the lustrous Andradite (which includes the valuable green demantoid garnet, Topazolite , and Melanite). Red garnet is the birthstone for January. Garnet has a hardness of 6-8 and a specific gravity of 3.5 - 4.3. The formula for garnet is: (Mg, Fe, Ca or Mn) with Al2Si3O12.
Glyptography is the art of engraving gemstones, making intaglio and cameos. Stones are engraved using grindstones with powdered emory or diamond as an abrasive
Karat Percent Gold
24 Kt. 100% Gold
18 Kt. 75% Gold
14 Kt. 58.3% Gold
12 Kt. 50% Gold
10 Kt. 41.7%
Gold is a precious metal that is very soft when pure (24 Kt.). Gold is the most malleable (hammerable) and ductile (able to be made into wire) metal. Gold is alloyed (mixed with other metals, usually silver and copper) to make it less expensive and harder. The purity of gold jewelry is measured in karats. Some countries hallmark gold with a three-digit number that indicates the parts per thousand of gold. In this system, 750" means 750/1000 gold (equal to 18K); "500" means 500/1000 gold (equal to 12K).
2. A grain is a tiny sphere of metal.
Hinging Ring Shank
Hook And Eye Clasp
Imperial Mexican Jade
Lab Ruby (Sapphire)
Leather Cord Jewelry
Liberty & Company
Linde Star Sapphire
Lobster Claw Clasp
London Blue Topaz
Lost Wax Casting
Milk And Honey Effect
The Mohs Scale of Hardness measures a substance's hardness, that is, how resistant it is to being scratched. In the Mohs scale, which ranges from 1 to 10, one substance is harder than another if it can scratch it. For example, a diamond (hardness = 10) will scratch garnet (hardness = 6.5-7.5), but not the other way around, so a diamond is harder than garnet. This scale was invented by Austrian mineralogist Friedrich Mohs (1773-1839).
Amber, Fingernail, Ivory, Shell, Jet 2.5
Bronze, Coral, Pearl 3
Amethyst, Chalcedony, Quartz, Steel (pocket knife) 7
Spinel, Topaz 8
Ruby, Sapphire 9
Old Mine Cut
Old Rock Turquoise
Pacific Cat's Eye
Paste is a heavy, highly transparent flint glass that when cut and faceted simulates the fire and brilliance of multiple gemstones, depending on the coloring added. It has relatively high indeces of refraction, and strong dispersion (separation of white light into its component colors).
Pate De Verre
Pave is a type of setting in which multiple small gemstones are set together as close as possible—much like paving stones.
Plane Of Symmetry
Platinum Group Metals
Plique À Jour
RENOIR OF CALIFORNIA
Rhodium Plating adds a very bright white and shiny metal and is good at resisting corrosion. In the plating process, the jewelry is dipped in a solution containing the rhodium and electricity is applied. The rhodium in the solution then adheres to the immersed jewelry. Rhodium is often used to plate white gold and silver jewelry to make the pieces look whiter and brighter.
and cause rashes. A better answer is to have the ring professionally sized.