Fine Jewelry Education


A.P. Shaps works exclusively with the highest quality standards in both our selection of diamonds as well as our craftsmanship. However, when purchasing a piece of fine jewelry, it is important to know what you are buying in order to feel confident that you’re getting value for your money.

The 4C:s

Each diamond is unique, with specific characteristics that dictate the value of the stone. To obtain a diamond’s value, we use various value factors, also known as the “4 Cs” – Carat Weight, Clarity, Color and Cut.

The basics

Diamond Shapes

Diamonds can be cut in practically any shape. Diamonds are typically separated into two categories: Round Brilliant Cut and Fancy Shapes. Fancy Shapes feature all cuts that are not Round Brilliant. The size and shape of the rough diamond determine the final shape.

Learn about diamond shapes

Different Metals

The choice of metal is a very personal choice. Metal colors suit people in different ways and sometimes the option may even be traditional over fashionable. All A.P. Shaps jewelry pieces are made with metals that are well accepted for jewelry production. However, it is important to remember that all metals will eventually get scratches and markings. The amount of wear and tear a jewelry piece succumbs to depends on the wearer.

Learn more about metals

Size Guide

Ring sizes are measured differently in different countries. To convert one size to another, please see our size list below. The most common way to measure ring sizes in Sweden is by using the European scale. If you have any questions regarding ring sizes or unsure of which size you should order, please consult with one of our sales consultants to guide you through the process.

Convert ring sizes

Ethical diamonds

Read about the Kimberley Process