知识中心
Sapphire and jewellery guides
Plain-spoken reference on choosing, wearing and caring for Ceylon sapphires and the jewellery made from them.
我们的理念
Knowledgeisthequiethalfofagoodpurchase.Themoreyouunderstandaboutasapphire,howharditis,howitwastreated,andhowasettingprotectsit,thebettereverydecisionthatfollows.Wesetwhatweknowdowninplainwords.
更多指南
The collection of knowledge
6 min read
Sapphire Hardness: What Mohs 9 Means for a Ring Worn Daily
Why Mohs 9 matters for an everyday ring, and the property it does not describe.
6 min read
Settings and Metals for Sapphire Jewellery
What each metal actually is, and what each setting style does for the stone.
5 min read
Caring for Sapphire Jewellery
Safe cleaning, real risks, and the checks that prevent a lost stone.
6 min read
Sapphire and Its Look-Alikes: Spinel, Tanzanite, Iolite and Synthetics
The blue stones mistaken for sapphire, and what actually separates them.
5 min read
Star Sapphires: How Asterism Forms and What Makes One Fine
What causes the star, why it moves, and how to judge one.
它是否经过加热。一颗经确认未经加热的宝石十分稀有，并享有可观溢价，因为它的色彩纯然出自大地之手。其次，一份确认的锡兰产地与一份独立实验室报告最为要紧。