ZéFir Blogs
The Ultimate Jewelry Tarnish Test - Which Metal Keeps Its Color Best? We Tested 7 Types for 10 Days So You Don't Have To
We tested 7 jewelry metals for 10 days of real-world wear: US 1/20 standard 14K gold-filled, standard gold-filled, gold-coated copper,...
How To Choose Your Ring's Surface Finish? The Complete Guide to Metal Textures in Jewelry
Complete guide to 9 metal surface finishes in jewelry: Metal Silk Matte, Mirror Hammered, Brushed Sand, Fine Sandblast, Straight Lines,...
Natural vs Lab-Created Gemstones: How to Tell the Difference (And Does It Matter)?
Complete guide comparing natural vs lab-created gemstones. Learn how to tell the difference, understand the science behind both types, explore...
Natural Zircon vs Cubic Zirconia: Which One Is Better Jewelry?
Discover the complete comparison between natural zircon and cubic zirconia. Learn about their origins, optical properties, durability, value, and which...