First, it is important to mention that RDA uses the finest rough materials to produce stones, only A grade and above. Gems provided by RDA reach the client accompanied by a certificate confirming its quality and attributes. When necessary, a gemological certificate will be attached, objectively certifying the stone's quality and issued by a professional and objective laboratory.
Stones represented on our site are categorized by: shape, size, and color, All gems provided by RDA fulfill these criteria in order to match international gemstone standards. A certificate is provided with the stone, ensuring its properties and quality, matching measurements appear on our website for stones of its kind.
RDA does not provide synthetic gemstones or use diffusion methods. All gemstones provided by RDA are of natural origins only, meaning they are mined and produced in nature; and were processed under legal processing methods only.
Depending on where you are located!
All shipments are insured from the minute they leave the factory gates, to the minute they reach the client's address.
Sapphire stones are suitable for various uses, and are used in jewelry, fashion accessories and clothes. Gems set in jewelry are always burnished in standard sizes in order to fit the industry standards. Gems designated for other uses are provided in various shapes and colors.
At this stage RDA provides only 'loose' gemstones, and does not offer settings, but we can recommend several craftsmen who will be able to set the stone you have bought from RDA in a setting of your choice.