d43ae596_mstone_Information___Ruby_Mill__Yes
[Alexandrite] Diamond [Chrysoberyl] Diamond [Excellent] Good [Yes_4] Yes Unless coated All gemstone cleaning methods are ok for untreated diamonds that do not have large inclusions. High temperatures may remove material from Cavity Filled diamonds. When stones are coated to improve the colour, avoid chemicals, ultrasonics, steaming and boiling. Although diamond is the hardest natural material, it has perfect cleavage and may chip if it strikes against a hard surface. Protect jewellery from physical blows, especially rings. [Yes] 
Yes Unless coated
Y e s
N o
Y e s U n l e s s c o a t e d
Gemstone Care - Gemstone Information - Ruby Mill
Yes