Search Results
Fine Jewelry University Articles matching: “18kt fl”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Gem in the Spotlight: Aquamarine
… but this tiara she special ordered from Garrard in 1957. The Gemology of Aquamarine Like emerald, aquamarine is a member of the beryl family (along with morganite, heliodor, and others). Unlike emerald, it is frequently free of flaws and often occurs in large crystals. Aquamarine’s main pigment comes from iron. The color spectrum of aquamarine varies from very pale blue to a deep blue, the finest specimens being the deepest in color. Most aquamarine stones have a …
-
Anatomy of a Ring
… rest of the ring without using a separate part. These designs can use a combination of prongs, channels, beads, or flush setting to hold the center stone in place. The important thing to note here is that the stone must be set somehow… know, it’s a cathedral ring. Cathedrals integrate the center top of the ring with the rest of the design creating a flowing line in contrast to simple solitaire rings which leave the center stone hovering in space above the ring shank…
-
Gem in the Spotlight: Opal
…, making it susceptible to scratches and damage from sharp impacts. Household chemicals and extreme temperature fluctuations can also harm opals, so gentle care is essential. To keep opal at its luminous best, wiping it clean with a … body color, many of these stones have little to no play of color. The best stones have strong greens and blues that flash through the orange body color. Boulder Opal: Boulder opals are gem opal material that still incorporates some of …
-
Caring for and Cleaning Your Jewelry
How to Clean Jewelry A diamond’s spectacular beauty is due to its light show. Diamonds make light reflect, show its many colors, and dazzle. To perform its magic the diamond must be clean. Diamonds are grease magnets. … solutions that contain oil as they will spot and dull the stone. For hard spots you can use toothpicks and dental floss. Be careful not to scratch the metal or lift the prongs. A final wipe with a lint-free cloth will remove any dust …
-
What Are Lab Grown Diamonds?
… nature made a given gem. Lab grown diamonds, on the other hand, are made in a controlled environment. They have signs of a regulated process that is not like nature. Furthermore, human efforts are not perfect and they leave their own flaws and clues that humans made a given gem. The types of inclusions and subtle variations in crystal structure are one of the main ways to differentiate between lab grown and natural diamonds. You can also learn more about how to tell …
-
Jewelry Solder: What You Should Know
…of it is gold with the rest being made up by a variety of different metals like silver, copper, nickel, and so on. Each of these other metals contributes some of their unique properties of the final alloy changing its color, hardness, flexibility, and more. That’s great, but what does this have to do with solder? With solder a different set of alloy metals are used than with regular karat gold with the purpose of lowering the melting point of the finished metal. These…
-
What are “Blood Diamonds”?
Conflict diamonds are diamonds illegally traded to fund conflict in war-torn areas, particularly in central and western … 2000, the global diamond industry made clear to the international community its zero tolerance policy towards conflict diamonds. Dedicated to eradicating the trade in conflict diamonds, it worked closely with the United Nations, …to create the Kimberley Process Certification System. This system was formally adopted in 2003 and guards against conflict diamonds entering the legitimate diamond supply chain. The diamond industry also adopted a voluntary System of …
-
Frequently Asked Question about Jewelry
… refers to how clean, or free of imperfections a Diamond is. The GIA standard for the clarity scale consists of: FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2, ???, I1, I2, I3 The SI3 was born out of the desire of the Diamond Industry to …bands. A Comfort Fit Ring is beveled inside, in that manner the edges of the ring are not in direct contact with the flesh of the finger, resulting in a more comfortable fit. This might result in the feeling that the ring feels “looser…
-
Gem in the Spotlight: Tsavorite Garnet
…nomenclature of gemstones follows certain rules, and according to modern mineralogical methods, gemstones are given a name which ends in “-ite”. In honor of the Tsavo National Park where it was discovered and the Tsavo River which flows through it, the gem received the name Tsavorite. It is also less commonly referred to as Tsavolite. Mythology and Lore Unlike many of the other gemstones we write about, Tsavorite does not have a rich history or lore, given its recent …