perliana3 articles
Care
Nacre is soft, organic and sensitive to acids, which is why pearls age differently from diamonds. We show how to preserve lustre, when a strand needs restringing and what a pearl can really tolerate.
Pearl Care and Storage: What Nacre Tolerates and What It Does Not
Put pearls on last, take them off first, wipe after wearing, store soft and airy. Why nacre fears acids and dry air, with the science behind it.
Pearl Necklace Restringing: Cost, Interval and What Happens
Restringing a pearl necklace costs 25 to 40 euros: a base charge plus 0.20 to 0.35 euros per knot. Due every 1 to 2 years with frequent wear.
How Long Do Pearls Last and Why Do They Turn Yellow?
Pearls last centuries: La Peregrina, found in 1513, is still intact. They yellow through drying, light and acids. Causes, table and what can be saved.
Lustre slider
Lustre is the sharpness of the reflection. The slider shows what graders distinguish between poor and excellent.