Antique Jewelry
By How Much Can Fluorescence Affect Value?
If a diamond engagement ring fluoresces “faint” or “weak” the effect on the diamond color grade or value is negligible. If it is graded as “more intense” or “very strong” fluorescence, it will affect the value negatively. If a diamond engagement ring has “medium” fluorescence, it can change the body color grade ½ to 1 color grade different than its actual color; if “strong” by 1-2 color grades and if “very...
Looking for a Diamond that is a “Cut Above”
Looking at the cut of a vintage diamond engagement ring is the most important thing, although you won’t see all that a diamond specialist will. Let’s talk about using the terms to describe your stone and terms relating to the cut of a diamond. It’s important to become familiar with a few general terms used when describing a faceted diamond. Proportion of a stone affects its brilliance, beauty and desirability. Terms...
Sapphire Quality and How It Affects Value
Sapphires come from the mineral corundum which comes in all shades of the rainbow. The color red is called a ruby. Sapphires are the most popular colored stone and are a wonderful change from a diamond for a beautiful engagement ring. More customers buy sapphires than any other colored stone. Among the colored stones, sapphire, emerald and ruby, sapphires and emeralds are the most affordable. Color Quality The fact that...
Color Changing Gem Stones - Sapphires and Alexandrites
A color changing gem stone changes color depending on different changing light sources. The more dramatic the change in color, the rarer and more valuable it becomes. Color Changing Sapphire In day light, color changing sapphires change from blue to violet. Other rarer sapphires change from green to reddish brown in incandescent lighting. Color is the most important quality for any sapphire. It is valued for its attractive color. The...