White Fluorescence in Diamonds

Diamond fluorescence, is the effect that ultraviolet (UV) light has on a diamond. When you stand under an ultraviolet light or blue light, sometimes you can see your whites get brighter or your teeth appear to glow under these lighting conditions. This is the same effect the diamond has under UV rays. Fluorescence is the visible light that a diamond emits when it is exposed to the UV rays.

On a GIA Diamond Grading Report, fluorescence refers to the strength, or intensity, of the diamond’s reaction to long-wave UV, an essential component of daylight. The light emitted lasts as long as the diamond is exposed to the ultraviolet source of light.

There are three elements that can be absorbed by the diamond that will cause fluorescence:




It is rare to come access a white fluorescence stone, this Liberian rough diamond has a white fluorescence glow. White fluorescence usually does not affect the value of the rough diamond. Other fluorescent rough diamonds can lose up to 80% of their value due to fluorescence or phosphorescence.

Congo’s Ebola outbreak may not be containable warns CDC director







Servicios de gemologo de diamantes en bruto


MADNOX está especializada en gemología de diamantes en bruto. Ofrecemos nuestros servicios de gemología y clasificación de paquetes de diamantes en bruto en Amberes, Ginebra y en todas las ciudades de Europa.

Las parcelas de diamantes en bruto se clasifican según el tamaño de las piedras CT, el color y la forma, así como la forma y la fluorescencia de cada piedra. Una piedra fluorescente o incluso fosforescente puede valer la mitad o menos.

Nuestros servicios profesionales de gemología de diamantes se brindan en la mayoría de los países del mundo. En todos los países africanos excepto el ébola y las zonas de guerra.

Se enviará un gemólogo para clasificar los paquetes de diamantes en bruto para la compra o venta de compañías mineras, exportadores de diamantes, comerciantes de diamantes, importadores de diamantes y compañías de joyería de todo el mundo. .

Nuestras tarifas de trabajo están cubiertas por días laborables y gastos de viaje. Ofrecemos nuestros servicios en gemología a nivel mundial.

Hablamos francés, inglés, español, holandés, italiano y portugués.

Contáctenos ahora al + 1-305-600-1814 o envíe un correo electrónico a vince@madnox.com

Services de Gemmologie en Diamant Brut


MADNOX est spécialisé en gemmologie du diamant brut. Nous offrons nos services de gemologie et classification de parcelles de diamants brut a Anvers, a Geneve et dans toutes les villes d’ Europe.

Les parcelles de diamants bruts sont classifiées d’ après la taille des pierres en CT, la couleur et la , ainsi que la forme et la fluorescence de chaque pierres. Une pierre fluorescente ou meme phosphorescente peut valoir la moitié en moin ou pire.

Nos services professionnels de gemmologistes diamantaire sont fournis dans la majorité des pays du monde. Dans tous les pays d’ Afrique sauf les zones Ebola et les zones de guerres.

Un gemmologue sera envoye sur les lieux pour classifier les parcelles de diamants brutes a l’ achat ou la vente pour les sociétés minières, les exportateurs de diamants, les dealers de diamants, ainsi que les importateurs de diamants et les sociétés de joaillerie de par le monde.

Nos honoraires de travails sont couvert par jours de travails et frais de voyages. Nous offrons nos services en Gemmologie dans le monde entier.

Nous parlons français, anglais, espagnol, néerlandais, italien et portugais.

Contactez nous maintenant au +1-305-600-1814 ou par email vince@madnox.com ou visitez www.DiamondGemologist.com


Rough Diamond Grading



Rough diamond grading, just like brain surgery, should only be left to trained professionals. Grading rough diamonds is an art, and very specialized skill.

The major problem a lot of people encounter with rough diamond grading is that often times, the gemologist grading the rough diamond parcel in the Country of origin can be way off on colors and clarity.

This can result in major inconsistencies and severe money losses for the parcel owner. Once the parcel reaches CIF destination, it does not match the gemologist report on the ground, and there start the arguments.

What most importers do wrong, is that they offer a parcel on paper based on the rough diamond grading from the original grader in the country of origin, instead of re-grading the parcel once it arrives at CIF destination before sending the end buyer their manifest.

This process is vital to successful negotiation between sellers and buyers of rough diamond, and to retain the ability to negotiate a rough diamond parcel upwards rather than downwords.

To inquire about our Rough Diamond Gemologist Services worldwide, please call us at +1-305-600-1814 or vince@madnox.com. Rough diamond grading services are available anywhere in the USA, in Europe, Asia, South America, Rough diamond grading services in any countries in Africa, except war zones, Ebola areas and places or individuals sanctioned by OFARC.

We offer Rough Diamond Grading in the following Countries and Towns:

-Rough Diamond Gemologist in USA, rough diamond parcel grading in the US

-Rough Diamond Gemologist in New York, rough diamond parcel grading in NY

-Rough Diamond Gemologist in Miami, rough diamond parcel grading in Miami

-Rough Diamond Gemologist in Las Vegas, rough diamond parcel grading in Vegas

-Rough Diamond Gemologist in Los Angeles, rough diamond parcel grading in LA

-Rough Diamond Gemologist in Angola, rough diamond parcel grading in Luanda

-Rough Diamond Gemologist in Sierra Leone, rough diamond parcel grading in Freetown and Country

-Rough Diamond Gemologist in Liberia, rough diamond parcel grading in Monrovia

-Rough Diamond Gemologist in Guinea, rough diamond parcel grading in Conakry

-Rough Diamond Gemologist in Ghana, rough diamond parcel grading in Accra

-Rough Diamond Gemologist in Namibia, rough diamond parcel grading in Windhoek

-Rough Diamond Gemologist in South Africa, rough diamond parcel grading in Johannesburg

-Rough Diamond Gemologist in Lesotho, rough diamond parcel grading in Maseru

-Rough Diamond Gemologist in Tanzania, rough diamond parcel grading in Dodoma and Dar Es Salaam

-Rough Diamond Gemologist in Zambia, rough diamond parcel grading in Lusaka

-Rough Diamond Gemologist in the DRC, rough diamond parcel grading in Kinshasa

-Rough Diamond Gemologist in Zimbabwe, rough diamond parcel grading in Harare

-Rough Diamond Gemologist in Botswana, rough diamond parcel grading in Gaborone

-Rough Diamond Gemologist in Ivory Coast, rough diamond parcel grading in Yamoussoukro and Abidjan


Please inquire about any other countries not on the list vince@madnox.com

We speak English, French, Spanish, Dutch, some Italian, Portuguese & German, so you will never be stuck anywhere with us:)


Nine Missing in Alrosa Mine Flooding in Siberia

Sixteen people were reported missing on Friday after flooding of a diamond mine in Siberia, where 151 miners were found, the Alrosa group said in a statement.

At the end of the morning, 102 people had already been rescued and 33 were being evacuated, said the world’s largest diamond producer.

Others were evacuated later. “Research is underway for 9 people which remain missing,” the statement said.

The flooding took place in the later afternoon, in the underground mine Mir. It is due to a problem on a pumping station.

Alrosa is the largest diamond producing company in the world with large scale mining operations in Russia and worldwide.

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Diamond Regulations and Trading

Diamond regulations




FIU Professor Makes Major Diamond Exploration Discovery




And There it was!” Haggerty said.




