'Good' is a judgement and you are the judge.
A 'good' diamond could be a perfect, flawless, diamond, as in a 'good' investment. Or a 'good' diamond could be a family heirloom, worn by several generations of fabulous women.
With every diamond comes a certificate
The field test for diamond is 'extreme hardness'.
A genuine diamond can be natural or lab-created. A certified gemologist can help you identify the source of your diamond, and whether the diamond is indeed a diamond.
In the field, you can identify a raw stone because of its clarity and its extreme hardness.
Diamond engraving pencils are specially designed for professionally engraving and writing on glass microscope slides.
A green diamond is a diamond in possession of a shade of green. A gemologist can help you identify the source of its colour -- whether natural or treated.
The best way to identify or get a grading on a diamond if you don't have the certificate is to take it to a local jeweler. They will be able to either give you an evaluation or put you in contact with someone that could.
Yes, a 10 carat diamond is 'good'.
A good site to identify seashells is seashells.org or seashells.com
No, for a naturally coloured diamond, and yes, for a treated diamond with enhanced colour. Any diamond can be treated, either chemically or by radiation, to enhance its natural colour. Many naturally coloured diamonds require no treatment, because their colour is judged to be naturally ideal. A certified gemologist can identify a naturally coloured diamond, and can also identify and describe treatments to a diamond intended to enhance its natural colour.
The field test for diamond is extreme hardness. Other tests include the use of a probe, which jewelers use to identify diamonds.
diamond is good for aquarius people