Plain definitions of every term you meet when buying a diamond or a piece of jewelry, what each one means for the price, how to check it, and where to buy it.
32 entries · listed by verification date
Learn how to clean jewelry at home safely by material, including diamonds, gold, silver, pearls, opals, emeralds, plated pieces, and antiques.
Learn how to read a diamond grading report by checking identity, 4Cs, proportions, clarity plot, treatments, inscription, and report number.
Learn how to tell if a diamond is real using a grading report, inscription, professional testing and the limits of fog, water, thermal and electrical tests.
What is a lab grown diamond? It is a real diamond made by CVD or HPHT, then identified, graded and priced separately from a natural diamond.
Lab grown diamond vs moissanite vs cubic zirconia explained by chemistry, hardness, sparkle, testing, certification, resale, and buying checks.
old european cut vs modern round brilliant: learn the facet, culet, crown, light, report and price differences that identify each style.
Learn how to measure ring size at home with a full US chart in millimeters and inches, UK and EU conversions, fit advice, and resizing guidance.
Is my vintage jewelry worth anything? Learn how age, materials, signatures, condition and rarity affect value, with typical 2026 selling ranges for fine and costume pieces.
