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Gemstone
A diamond is a gemstone formed by cutting a raw diamond. Diamonds have high monetary value as one of the best-known and most sought-after gems, and they
Diamond_(gemstone)
Piece of mineral crystal used to make jewelry
gemstones or to colorless diamonds. In diamonds, the cut is the primary determinant of value, followed by clarity and color. An ideally cut diamond will
Gemstone
Type of cut used when shaping a diamond
diamond. The cut of a diamond greatly affects a diamond's brilliance—a poorly-cut diamond is less luminous. In order to best use a diamond gemstone's
Diamond_cut
Gemological organization and certification company
organization that provides grading and certification services for diamonds, gemstones and jewellery. IGI was founded in Antwerp, Belgium, in 1975 by Marcel
International Gemological Institute
International_Gemological_Institute
Name list
Diamond is a given name derived from the name of the diamond gemstone. The word is derived from the Greek adamas. The name was among the 1,000 most popular
Diamond_(given_name)
Saw blade enhanced with diamond grit
industry; and cutting gemstones, including diamonds, in the gem industry. Diamond blades are available in different shapes: Circular diamond saw blades are the
Diamond_blade
consumer diamond gemstones. Apollo Diamond (defunct, assets sold in 2011 to Scio Diamond) ALTR Created Diamonds De Beers (Lightbox) Diamond Foundry Gemesis
List of synthetic diamond manufacturers
List_of_synthetic_diamond_manufacturers
Color due to impurities or crystal lattice defects in diamond
of diamond as a gemstone: if other gemological characteristics of a stone are good, a low-color diamond can remain more valuable as a gem diamond than
Diamond_color
Unit of mass
200 mg (0.00705 oz; 0.00643 ozt; 3.08647 gr), which is used for measuring gemstones and pearls. The current definition, sometimes known as the metric carat
Carat_(mass)
American comic book distributor
Family Enterprises, which is also the parent company of Gemstone Publishing, E. Gerber Products, Diamond International Galleries, Hake's Americana & Collectibles
Diamond_Comic_Distributors
now known as Rapaport Trade, is an online trading platform for diamonds, gemstones, and jewelry. It was launched in 1996 and is operated by the Rapaport
RapNet
Quadrilateral with sides of equal length
cross section of a bicone. The name diamond comes from the shape of an octahedral diamond gemstone; the diamonds suit in playing cards is named after
Rhombus
Diamond-like object which is not a diamond
diamond nanorods, are harder.) Since a diamond is unlikely to encounter substances that can scratch it, other than another diamond, diamond gemstones
Diamond_simulant
Form of carbon
Godavari. Diamonds have been known in India for at least 3,000 years but most likely 6,000 years. Diamonds have been treasured as gemstones since their
Diamond
Variety of beryl
and possesses a hexagonal crystal system. Aquamarine is a fairly common gemstone, rendering it more accessible for purchase, compared to other gems in the
Aquamarine_(gem)
Faceting of a rough diamond to increase its brilliance
The process of maximizing the value of finished diamonds, from a rough diamond into a polished gemstone, is both an art and a science. The choice of cut
Diamond_cutting
Notable individual diamonds
media related to Diamonds. List of largest rough diamonds List of Golconda diamonds List of emeralds by size List of individual gemstones List of gold nuggets
List_of_diamonds
Variety of corundum; mineral; gemstone
emerald, and diamond. The word ruby comes from ruber, Latin for red. The color of a ruby is due to the presence of chromium. Some gemstones that are popularly
Ruby
Gemstone cut with many facets to increase the brilliance
A brilliant is a diamond or other gemstone cut in a particular style with 57-58 facets so as to have exceptional brilliance. The word 'brilliant' is often
Brilliant_(gemstone_cut)
Historic 45.52-carat diamond of deep-blue color
Pradesh, India. The gemstone's exceptional size has revealed new information about the formation of diamonds. The Hope Diamond's recorded history begins
Hope_Diamond
Shaping a gemstone for use in jewelry
Trilliant cut, a.k.a. trillian or triangle cut Diamond cut "The Secret Teachings of Gemcutting: 50 Classic Gemstone Designs". www.wikidata.org. Retrieved 2025-05-22
Cut_(gems)
Process to enhance a gemstone's optical properties
ultraviolet, X-rays, and gamma rays. Certain natural gemstone colors, such as blue-to-green colors in diamonds or red colors in zircon, are caused by exposure
Gemstone_irradiation
Diamond created by controlled processes
diamonds accounted for 0.28% of rough diamonds produced for use as gemstones, and 2% of the gem-quality diamond market. In 2023, synthetic diamonds were
Synthetic_diamond
Most common color variety of natural diamonds
brown diamonds becoming valued as gemstones and even referred to as chocolate diamonds. A significant portion of the output of Australian diamond mines
Brown_diamond
Wayback Machine, Mining.com, December 3, 2012 "PureFunds to Abandon Diamond/Gemstone and Mining Service ETFs | Investing News Network". investingnews.com
Diamonds_as_an_investment
This is a list of gemstones, organized by species and types. There are over 300 types of minerals that have been used as gemstones. Such as: Actinolite
List_of_gemstones_by_species
worldwide focus. Representing individuals and companies across the diamond, gemstone, jewelry and precious metal sectors, its membership spans over 40
World_Jewellery_Confederation
First discovered double diamond gemstone
The Matryoshka (Russian: Алмаз-матрёшка) is a double diamond, one with a second diamond moving freely inside. It was mined in Yakutia at the Nyurba mining
Matryoshka_(diamond)
2006 American political thriller film by Edward Zwick
refers to blood diamonds, which are diamonds mined in war zones and sold to finance conflicts, thereby profiting warlords and diamond companies around
Blood_Diamond
Topics referred to by the same term
refer to: Diamond (gemstone), use of the mineral as a gemstone Diamonds (suit), a suit in a standard deck of cards Diamond (surname) Diamond (given name)
Diamond_(disambiguation)
Relating to the appearance of internal and surface defects in diamond
Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called inclusions
Diamond_clarity
Cubic crystalline form of zirconium dioxide
high at 0.058–0.066, exceeding a diamond's 0.044. Cut: Cubic zirconia gemstones can be cut differently from diamonds: The facet edges can be rounded or
Cubic_zirconia
Williamson diamond mine has produced 19 million carats (3,800 kg) of diamonds. Gemstones, nickel, copper, uranium, kaolin, titanium, cobalt and platinum are
Mining_industry_of_Tanzania
Large cut diamond
re-cut as an oval brilliant by Coster Diamonds. By modern standards, the culet (point at the bottom of a gemstone) is unusually broad, giving the impression
Koh-i-Noor
Rare red-coloured variety of diamond
attribute is the diamond's carat weight, followed by its clarity, and cut. Given their rarity, red diamonds are among the most expensive gemstones on average
Red_diamond
Public diamond mine and state park in Arkansas, United States
for diamonds and other gemstones. Park visitors find more than 600 diamonds each year of all colors and grades. As of 2015, over 75,000 diamonds had been
Crater_of_Diamonds_State_Park
American toy line
Golden Girl and the Guardians of the Gemstones was a line of toys manufactured by Galoob in 1984-1985. Galoob's toy line was focused on eleven 6" action
Golden Girl and the Guardians of the Gemstones
Golden_Girl_and_the_Guardians_of_the_Gemstones
A number of individual gemstones are famous in their own right, either because of their size and beauty or because of the people who owned or wore them
List_of_individual_gemstones
Multinational coloured diamond & jewelry retailer
Scarselli Diamonds is a multinational retailer of colored diamonds, color diamond jewelry, and rare gemstones. The company was founded in Italy in 1957
Scarselli_Diamonds
Netherlands. Diamond (gemstone) "KP Annual Report - World Diamond Council 2014" (PDF). Archived from the original (PDF) on 2022-07-01. Conflict Diamonds: Hearing
World_Diamond_Council
Gemstone representing a person's birth month
A birthstone is a gemstone that represents a person's birth period, usually the month. Birthstones are often worn as jewelry or a pendant necklace. The
Birthstone
Brand of perfume
is sold in a bottle decorated with small imitation white diamond gemstones. White Diamonds was accompanied by a US$20 million advertising campaign, which
White_Diamonds
Diamond mined in conflict areas
Blood diamonds, also known as conflict diamonds and less commonly as hot diamonds, are diamonds mined or traded in areas affected by armed conflict and
Blood_diamond
American jewelry seller (1991–2012)
States. ULTRA was a manufacturer as well as a direct importer of diamonds, gemstones, and gold jewelry. At one point, Ultra operated over 100 stores in
ULTRA_Diamonds
Gemstone that has been shaped and polished
A cabochon (/ˈkæbuʃɒn/; from Middle French caboche 'head') is a gemstone that has been shaped and polished, as opposed to faceted. The resulting form is
Cabochon
Diamond with prior use
number of reasons including their hardness and the gemstone being a finite and valuable resource. Diamonds are the hardest known naturally occurring substance
Recycled_diamond
Indian jewellery group
Malabar Gold & Diamonds is an Indian jewellery group headquartered in Kozhikode, Kerala. The company was founded by M. P. Ahammed in 1993. As of May 2023
Malabar_Gold_&_Diamonds
names derived from gemstones include the following: Gemstone Jewellery "100 Beautiful Baby Names Inspired by Jewels and Gemstones". Family Education.
List of names derived from gemstones
List_of_names_derived_from_gemstones
significant mineral deposits often create a state mineral, rock, stone or gemstone to promote interest in their natural resources, history, tourism, etc.
List of U.S. state minerals, rocks, stones and gemstones
List_of_U.S._state_minerals,_rocks,_stones_and_gemstones
Topics referred to by the same term
group of learning competencies and skills in 21st century learning Diamond (gemstone), the Four Cs are carat, cut, color, and clarity Marketing mix, may
Four_Cs
Beryl variety
Morganite is an orange or pink variety of beryl and is also a gemstone. Morganite is mined in Brazil, Afghanistan, Mozambique, Namibia, the United States
Morganite_(gem)
Shaping of gemstones for jewelry
lapidarius 'stone, stony') is the practice of shaping stone, minerals, or gemstones into decorative items such as cabochons, engraved gems (including cameos)
Lapidary
Research institute in Carlsbad, California
is to protect buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality. The institute does so through
Gemological Institute of America
Gemological_Institute_of_America
Synthetic diamonds manufacturer
Scio Diamond Technology Corporation was a synthetic diamond manufacturer that produced near flawless single-crystal diamonds for gemstone and industrial
Scio Diamond Technology Corporation
Scio_Diamond_Technology_Corporation
Diamond type
fees), a world record for any gemstone. The record had been held by the Graff Pink. The Pink Star was bought by New York diamond cutter Isaac Wolf who renamed
Pink_Star_(diamond)
Academic journal
Gemological Institute of America. Each issue is devoted to research on diamonds, gemstones, and pearls. Topics include geographic sources, imitations and synthetics
Gems_&_Gemology
Bottom protective gemstone facet
integrity of the gemstone. On a diamond, the cleavage plane runs parallel to the octahedral faces, and so any damage to the tip of the diamond could cause
Culet
Rough diamonds sales and distribution arm of De Beers
controlling rough diamond production and trade. The KPCS became effective in 2003. Diamonds Kimberley Process Diamonds (gemstone) Diamonds as an investment
Diamond_Trading_Company
Watergate scandal plans by G. Gordon Liddy
Attorney General. Operation Gemstone proposed a series of plans with each having their own code name. Operation Diamond involved kidnapping and drugging
Operation_Gemstone
500-carat (100 g) spinel gemstone
Commandments. A diamond was later added to conceal the hole. List of individual gemstones Grande, Lance; Augustyn, Allison (2009). Gems and Gemstones: Timeless
Samarian_spinel
Red gemstone
almandine gemstone that has been cut with a smooth, convex face in a method called cabochon. Traditionally, the term referred to any red gemstone, most often
Carbuncle_(gemstone)
American alternative-pop singer-songwriter and record producer
BLACK DIAMOND (2025), and GENESIS: The Live Album (2025). Beginning with EMERALD, EMM developed an interconnected visual narrative centered on gemstone-themed
EMM_(singer-songwriter)
Blue-colored variant of a diamond
four basic parameters that govern the grading of all gemstones are used to grade blue diamonds–the four Cs of Connoisseurship: color, clarity, cut and
Blue_diamond
Silicate mineral
and fluorine with the chemical formula Al2SiO4(F, OH)2. It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless
Topaz
Gemstone mount in jewelry
(or "set") a gemstone to the jewelry item. A common setting for diamond engagement rings, the prong setting allows light to strike a gemstone from more angles
Prong_setting
Flat surface of a gem, crystal, etc
structure. Gemstones commonly have facets cut into them in order to improve their appearance by allowing them to reflect light. The earliest diamond cutting
Facet
Israeli diamond and jewelry company specializing in natural fancy-color diamonds, colored gemstones and fine jewelry. Founded in 1979 by diamond dealer
Leibish_&_Co.
Gemmology laboratory located in Basel, Switzerland
published in a book called "SSEF Standards & Applications for Diamond Reports, Gemstone Reports and Test Reports". Moreover, SSEF places a strong focus
Swiss_Gemmological_Institute
Worldwide motif in mythology and history
phosphorescent minerals such as diamonds. First, it will be useful to introduce some mineralogical terminology for gemstones that can glow when exposed to
Luminous_gemstones
Former gem museum in Tel Aviv, Israel
consisted of rough and finished diamonds and gemstones and provided information on the history and industry of diamonds. The museum was founded in 1986
Harry Oppenheimer Diamond Museum
Harry_Oppenheimer_Diamond_Museum
State owned diamond collection
the Great exhibited a particular interest for gemstones, even naming her stallion "Diamond." The Diamond Fund received more contributions from her than
Diamond_Fund
Types of Gemstone found in Pakistan
There are many types of gemstones of Pakistan. They can be found among the nation's three mountain ranges - the Hindu Kush, the Himalayas, and the Karakoram
Gemstones_of_Pakistan
Gemstone discovered in Eagle, Wisconsin in 1876
The Eagle Diamond is a gemstone discovered in Eagle, Wisconsin in 1876 that was about 16 carats. It was found on a hillside about 30 feet below the surface
Eagle_Diamond
Mineral or gemstone of beryllium aluminate
The mineral or gemstone chrysoberyl is an aluminate of beryllium with the formula Be Al2O4. The name chrysoberyl is derived from the Greek words χρυσός
Chrysoberyl
Dutch diamond-cutting company
The Royal Asscher Diamond Company (Dutch: Koninklijke Asscher Diamant Maatschappij) is a Dutch company founded in 1854 by the Asscher family of gemcutters
Royal_Asscher_Diamond_Company
Indian gemstone
Romance. London. p. 223. G.F. Herbert Smith: Gemstones. London, 1941. p. 171. Streeter, p. 128. "The Great Diamonds of the World - Edwin Streeter - Farlang"
Shah_Diamond
Antique Indian diamonds
They continue to be a popular gemstone in the 21st century. Golconda diamonds are the world's most magnificent diamonds. They are formed of pure carbon
Golconda_diamonds
American publishing company in the comics field
Gemstone Publishing is an American company that publishes comic book price guides. The company was formed by Diamond Comic Distributors President and Chief
Gemstone_Publishing
Mineral, quartz variety
century, amethyst was included in the cardinal, or most valuable, gemstones (along with diamond, sapphire, ruby, and emerald), but since the discovery of extensive
Amethyst
American recommerce company
purchase and resale of pre-owned luxury goods, including fine jewelry, diamonds, gemstones, watches, and bullion. It operates several retail brands, some of
Envela
Mineral, semi-precious stone
group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. Garnet minerals, while sharing similar physical and crystallographic
Garnet
well as clever marketing, determines the exceptional value of diamond as a gemstone. Diamonds exhibit fluorescence, that is, they emit light of various colors
Material properties of diamond
Material_properties_of_diamond
Large uncut gemstone set in the UK's Imperial State Crown
(34 g) and is approximately 4.3 centimetres (1+3⁄4 in) long. All red gemstones used to be referred to as rubies or "balas rubies". It was not until 1783
Black_Prince's_Ruby
Airlines Luanda 2001 Charter airline P A African Diamond Producers Association Basic materials Diamonds & gemstones Luanda 2006 Policy agency for industry P A
List_of_companies_of_Angola
Synthetic diamonds manufacturer
Sustainability Rating through SCS Global Services, Inc. WD Lab Grown Diamonds was focused on the gemstone market, but also serviced the technology sector through their
WD_Lab_Grown_Diamonds
Independent gemological organization
Mark Gershburg and Debbie Azar, GSI's laboratory division provides diamond and gemstone grading and identification services as well as gemological research
Gemological Science International
Gemological_Science_International
Type of diamond that has pink color
diamond's crystal structure.[citation needed] The same four basic parameters that govern the grading of all gemstones are used to grade pink diamonds–the
Pink_diamond
Gem cut
sometimes called a trillion, trillian, or Trielle is a triangular type of gemstone cut. The cut has many variations. It may have curved or uncurved sides
Trilliant_cut
Diamond manufacturer, cutter, and/or specialist gemologist
expertise in different types of gemstones, particularly when it comes to increasing the value and quality of a rough or raw diamond. They are highly skilled
Diamantaire
Blue diamond
Connoisseur's Guide To Precious gemstones, ISBN 0-9728223-8-0 Fancy Blue Diamonds, p. 235–236 "Recut and Renamed Wittels Diamond to Face Public and Critics"
Wittelsbach-Graff_Diamond
Variety of beryl
colorless gem variety of beryl. It is sometimes called the “mother of all gemstones” because the addition of various trace elements in nature transforms it
Goshenite_(gem)
Material trapped inside a mineral during formation
clarity and value of many gemstones, such as diamonds, and increase the value of others, such as star sapphires. Many colored gemstones are expected to have
Inclusion_(mineral)
Green gemstone, a beryl variety
considered a top gemstone. This member of the beryl family ranks among the traditional "big four" precious gems along with diamonds, rubies and sapphires
Emerald
Rare gemstone
such, it is the only gemstone to have been initially identified from a faceted stone. Taaffeite is a million times rarer than diamonds, and it comes in shades
Taaffeite
American cartoon characters
to fight Blue Diamond. She has powerful telekinetic control over water and can produce wings made of water from the lapis lazuli gemstone on her back.
List of Steven Universe characters
List_of_Steven_Universe_characters
Arabian smoking pipe
metal bowl), or glass. They may incorporate precious items such as diamonds, gemstones and rings of precious metal inscribed with symbols, such as a falcon
Midwakh
Comic book publisher
Previews available separately, for contractual reasons. Diamond also publishes (through Gemstone and Diamond International Galleries) a weekly e-newsletter dealing
Steve_Geppi
Brand of lab-grown diamonds
prize in the 2020 INSTORE Design Awards for Laboratory-Created Diamond and/or Gemstone Jewelry for their 35-carat necklace called 'Indra's Net', which
ALTR_Created_Diamonds
Cyclosilicate mineral group
This gemstone comes in a wide variety of colors. The name is derived from the Sinhalese tōramalli (ටෝරමල්ලි), which refers to the carnelian gemstones. Tourmaline
Tourmaline
1884 short story by Guy de Maupassant
"The Necklace", or sometimes "The Diamond Necklace", (French: La Parure) is a short story by Guy de Maupassant, first published on 17 February 1884 in
The_Necklace
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DIAMOND GEMSTONE
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