GemsVerified
Библиотека

Руководства по покупкам8 руководств

Данное руководство предназначено для покупателей, которые перечисляют реальные денежные средства продавцам, с которыми они лично не знакомы. В каждом руководстве подробно описано, что должно быть указано в документах, как выглядит раскрытие информации и где на самом деле кроется риск.

Отчеты по лабораторным работам

Gemstone certification, explained: what a laboratory report proves and what it never can

A dealer in Bangkok sends three photographs and a PDF, and the PDF is what you are really being asked to trust. Certified, in the coloured stone trade, means only that an independent house has looked at a stone and written down what it saw: the material, whether it grew underground or in a factory, what has been done to it since, and, where the extra fee was paid, which country the testers believe it came from.

7 Время чтенияОбновлено: 2 сент. 2026 г.
Обработка и раскрытие информации

Emerald oiling grades, explained

Nearly every emerald reaches the market with surface-reaching fissures, and nearly every one has had those fissures filled.

4 Время чтенияОбновлено: 2 сент. 2026 г.
Отчеты по лабораторным работам

How to read a lab report

The document that arrives with a serious coloured stone is short, and much of it is of no consequence at all.

8 Время чтенияОбновлено: 2 сент. 2026 г.
Оплата и доставка

How insured shipping of loose stones works

A fine loose stone crosses borders in a parcel the size of a paperback, and it does so safely thousands of times a week.

3 Время чтенияОбновлено: 2 сент. 2026 г.

Kashmir and Azad Kashmir sapphires

What is a classic Kashmir sapphire? One deposit, worked for about six years, a hundred and forty years ago.

7 Время чтенияОбновлено: 2 сент. 2026 г.
Оплата и доставка

Questions to ask a dealer before wiring money

The loose stone trade still runs on bank wires between people who have often never met.

4 Время чтенияОбновлено: 2 сент. 2026 г.
Происхождение

Ruby origin: Burma and Mozambique

Two names anchor the modern ruby market.

4 Время чтенияОбновлено: 2 сент. 2026 г.
Обработка и раскрытие информации

Heat treatment in sapphire, and what disclosure should say

Most sapphire on the market has been heated.

4 Время чтенияОбновлено: 2 сент. 2026 г.