Buying & Value
-
Jade Quality Grading: 9 Essential Criteria for Translucency & Color
Jade quality grading requires a different approach from grading transparent faceted gemstones because jade is valued through mineral identity, treatment,…
Read More » -
Jade Price Per Carat: 12 Major Value Drivers for Nephrite & Jadeite
Jade price per carat can range from very modest levels for ordinary commercial nephrite or heavily included jadeite to thousands…
Read More » -
Iolite Quality Grading: 10 Steps to Evaluate Pleochroism & Clarity
Iolite quality grading should focus on how successfully the gemstone combines blue-violet color, controlled pleochroism, transparency, clarity, cutting, and usable…
Read More » -
Iolite Price Per Carat: 9 Key Factors Determining Worth
Iolite price per carat is usually moderate compared with sapphire, tanzanite, or fine blue tourmaline because gem-quality cordierite can occur…
Read More » -
Indicolite Quality Grading: 8 Essential Standards for Color Depth
Indicolite quality grading should evaluate color depth without rewarding darkness for its own sake. Fine blue tourmaline needs enough saturation…
Read More » -
Indicolite Price Per Carat: 11 Rarity Factors for Blue Tourmaline
Indicolite price per carat can range from roughly $100 to $300 for darker commercial blue tourmaline to several hundred or…
Read More » -
Hiddenite Quality Grading: 7 Key Standards for Color & Pleochroism
Hiddenite quality grading should begin with natural identity and color origin because the name hiddenite is sometimes applied too loosely…
Read More » -
Hiddenite Price Per Carat: 8 Value Drivers for Green Spodumene
Hiddenite price per carat can vary from roughly $50 to $150 for pale or included green spodumene sold at commercial…
Read More » -
Heliodor Quality Grading: 9 Essential Ways to Rate Golden Beryl
Heliodor quality grading should focus on hue, saturation, tone, transparency, clarity, cut, size, treatment, and natural identity because yellow beryl…
Read More » -
Heliodor Price Per Carat: 10 Key Drivers of Market Worth
Heliodor price per carat is usually moderate compared with emerald because clean yellow beryl can occur in relatively large crystals,…
Read More »
