Archive for the 'Diamond Simulants' Category

Just a Reminder: Synthetic Diamonds

Saturday, September 20th, 2014

Living in that whirl of information existing in the Internet, there’s a chance to get confused with it. It precisely concerns diamonds. Regardless of how silly it may sound but there’s actually a great variety of them: natural and real diamonds, man-made diamonds, synthetic diamonds, laboratory grown diamonds, cultured diamonds and diamond simulants. The first [...]

D.NEA Company Wins the Market in Philippines

Wednesday, September 10th, 2014

Where there’s a demand, there’s a supply – this is the rule of economics that never fails. So to satisfy the demand for cheaper diamonds, the D.NEA company, the manufacturer of diamond simulants, opened yet another store in Philippines. The managers of the company claim their gems are 90% cheaper than real diamonds providing the [...]

What is the Future of Synthetic Diamonds With High Import Duty Levy?

Monday, July 14th, 2014

Environment… While one treat it as a home and take care of it, others use it as a never ending source of natural minerals. There is a conflict between them that can’t be easily solved. It’s a known fact that diamond mining has a devastating effect on nature. Naturally, people started to search for blander [...]

Yet Another Diamond Scam

Friday, January 24th, 2014

The more expensive the product is, the larger the number of scams about it is too. Logically, diamond scams are just numerous! Some of them are: diamonds with more facets sparkle more, diamond clarity is the most important factor, multiple color grade of a diamond, approximate carat weight, diamonds of SI3 clarity and so on. [...]

Diamond Scam

Tuesday, January 21st, 2014

Precious, expensive, everlasting, brilliant, thought-after and most-desired — it’s all about diamonds. With that list of attributes it’s no wonder why beautiful gems have lately turned into an apple of discord. Or they’ve always been the one? Diamonds as precious gems have been a nice option for investment in all times. The price for them [...]

Alternatives to Natural Diamonds

Friday, August 31st, 2012

Time flys, fashion changes, people come and go but there are timeless things that never change — diamonds. ‘Diamonds are forever’ is now a byword but with that it doesn’t mean they are affordable to get. Diamond jewelry is not the item for people from all walks of life, they are chiefly the privilege of [...]

Real? Fake! Briefly about Carat and Ti Sento Jewelry

Thursday, August 16th, 2012

Probably much time should pass in order to make people aware of what synthetic diamonds are. There is always a competition between synthetic and natural diamonds while synthetic and fake pair is often omitted. But before starting comparing both of them the notion of “synthetic diamonds” should be clarified. According to Wikipedia Synthetic diamond (also [...]

Diamantine — High End Diamond Simulants

Wednesday, June 13th, 2012

There is a range of diamond simulanted jewelry on the market. Cubic Zirconia and Moissanite are the most popular diamond alternatives as they are of less value but of diamond resebling luster. However, both of these gems could not stand the test of time. That was probably the reason why Dr. J. Neogi thought of [...]

Nexus Diamonds – Are They Diamonds?

Wednesday, April 18th, 2012

With an era of high-end technologies the jewelry market seems to be flooded with many diamond alternatives. On the one hand, it’s always a great thing to have a wide choice for customers to decide, but on the other there can be a sort of confusion for mere customers who are less competent in this [...]

Eco Diamonds: Environmentally-, Socially- and Pocket-Friendly

Saturday, March 31st, 2012

Pioneered by Gemesis, synthetic diamonds of jewelry quality are currently manufactured by many diamond-growing companies but along with them there are simulated diamonds that should not be mixed up with man made. One of the manufacturer of simulated diamonds is Eco Diamonds. Eco Diamonds offer a wide collection of jewelry for special events including wedding [...]

Sona Diamond Simulant – Information and Review (XPS analysis)

Thursday, December 15th, 2011

Sona Diamond Simulant has made a number of claims about their product, including statements that it is a non-CZ simulant created by high-pressure melding of natural diamond and sapphire, and that it has a special ‘sapphire’ coating. Please note that Sona Diamond was sold by two different companies – (C3 Jewelry, Billy Clayton) and their reseller, [...]

Diamond Simulants Retailers

Thursday, December 15th, 2011

Living in the age of Internet jewelery retailers are turning to on-line market these days. On the one hand it is easier to purchase jewelry from the comfort of your house, but on the other it can take hours to surf the net to find detailed information about diamond retailers. Moreover, if you want to [...]

Synthetic Moissanite

Wednesday, December 14th, 2011

Moissanite is a new product but its origins go back to 1893 when Dr. Henri Moissan, a French chemist and later a Nobel Prize winner, identified minute quantities of natural silicon carbide, known as lusenite, in the Diablo Canyon meteorite found in a remote area of Arizona. Recently, these elements were replicated in a synthetic [...]

Cubic Zirconia

Wednesday, December 14th, 2011

Cubic Zirconia: Zr02 mixed with Yttrium Oxide (Y203) or Calcium Oxide (CaO) as a stabilizing agent. Refractive Index:2.16; Relative Density:6; Dispersion:0.060; Hardness: 8.5. Introduced in 1977, the similarity with the figures for diamond make this the second best simulant produced to date, second only to a new type of stone called Moissanite.

YAG – Yttroaluminate

Wednesday, December 14th, 2011

YAG: Yttroaluminate Y3Al5O12; (not related to garnet); Cubic symmetry; Relative Density: 4.57-6.69 heavy; Small Dispersion:0.028; Refractive Index: 1.83; Good Hardness:8.5; Grown by flux melt method and used widely in the early 1970′s to be replaced later by Cubic Zirconia. This was first marketed in 1969, being made famous when Richard Burton had a copy of [...]

Synthetic Rutile

Wednesday, December 14th, 2011

Synthetic Rutile: Introduced in 1948. Has a high degree of brilliance. Faint yellow colour, doubling of back facets caused by high double refraction (Birefringence: 0.287). High Relative density 4.25; Refractive Index: 2.62-2.90; Scratches easily, Hardness:6. This looks similar to a diamond of low colour grade. It has a high refractive index and a dispersion 6.5 [...]


Wednesday, December 14th, 2011

White Zircon: Zirconium Silicate Zr[Si04]; crystal system: Trigonal; name derived from the Persian Zargun meaning golden; Relative Density: 4.6-4.7; Hardness: 7.5; Cleavage: Poor; Tenacity: Brittle; Refractive Index: 1.923-2.015; Birefringence 0.058; Dispersion:Strong; Pleochroism: Weak. This is a good simulant for diamond, it is hard has a high refractive index, and good dispersion. It is visually lacking [...]

White Topaz

Wednesday, December 14th, 2011

White Topaz: Hydrous Aluminium Fluorosilicate, AL2[(f,OH)2|SiO4] ; Crystal System: Orthorhombic; name derived from Sanskrit tapas meaning fire ; Relative Density: 3.49-3.57; Hardness:8; Cleavage: eminent along base; Lustre: vitreous; Refractive Index: 1.606-1.638; Birefringence:0.01; Dispersion: weak; Pleochroism:distinct. Occasionally found in jewellery eminating from the far East and easily distinguished again by refractometer. Visually there is much less [...]

White Sapphire

Wednesday, December 14th, 2011

White Sapphire: Aluminium Oxide (alumina) Al2O3; crystal system: Trigonal; from the Indian Sanskrit Kuruvinda meaning hard stone; Hardness:9 ; Relative Density 3.99-4.05; cleavage: none; refractive Index 1.765-1.773; Birefringence: 0.008 ; Dispersion: Weak. This is often used as a diamond substitute in cheaper jewellery without intent to deceive. Usually found in round brilliant cut form surrounding [...]

Diamond Simulants

Wednesday, December 14th, 2011

Definition A diamond expert is able to discern a loose diamond from a simulant just by eye alone, and is unconcerned with the following tests to separate the various impersonators, but we have included some of the differences for interest. Many jewellers use some of the tests for their own piece of mind, and no [...]

Website dedicated to synthetic, cultured, man-made, lab-grown, laboratory created, artificial, CVD, HPHT diamonds. We are gathering the most important information about natural colored diamonds, gemstone treatments and of course synthetic, treated diamonds and their applications.