Nothing serves you better than moissanite diamonds. There are usually clues that can help one identify what era a piece of jewelry is from. For example from 1910 to 1930 silver was the favorite color for metal, so jewelry was found in platinum, white gold, silver or a base metal colored to look like silver.
Diamond Certificate
Explanation of Cut, Color and Clarity of This Diamond
Cut Quality Good cut diamonds reflects most light that enters the diamond, but not as must as a premium cuts. They are less expensive than the premium-cut. Roughly 25% of diamonds are good-cut based on cut quality. This grade represents an excellent balance between quality and price.
Color An E color diamond is extremely rare and slightly less expensive than a D but is so similar that most people won’t be able to tell the difference. You pay a serious premium for an E color diamond. Diamonds of this color grade will appear colorless even when observed face down.
Clarity VS2 Clarity diamonds are very slightly included grade two. VS2 diamonds have minor inclusions that are visible at 10x magnification. They are less expensive than the VS1 clarity grade because they exhibit slightly more inclusions. VS2 clarity diamonds make excellent choices for jewelry because the naked eye will not be able to detect any inclusions.