Everything you need to know

What is citrine?
Citrine is a golden-yellow to orange-brown quartz – the birthstone for November. Madeira Citrine is the most valuable color. Affordable for large stones. Read more...
What is a tennis bracelet?
Tennis bracelet = unbroken row of diamonds in a gold setting. Important: safety clasp. Name originated with Chris Evert in 1987. Read more...
How do you clean gold jewelry at home?
Cleaning gold jewelry: lukewarm water + dish soap + soft brush. Soak for 10 min, brush gently, rinse – no chlorine, no bleach. Read more...
What is aquamarine?
Aquamarine is blue beryl (Mohs 7.5) – March birthstone. Very clear, sea-blue, ideal for engagement rings as a sapphire alternative. Read more...
What does 585 gold mean?
585 gold means 58.5% pure gold (14 carat). The standard for everyday jewellery – robust, warm and affordable. Read more...
Fashion Jewellery 2026: Which Jewellery Style Truly Suits You?
Fashion Jewellery 2026: Which jewellery style suits you? Minimalist, Romantic, Statement & Boho – with Trend Guide. Read more...
Jewelry Gifts for Women: The Best Ideas for Every Budget and Occasion
Jewelry Gifts for Women: Ideas from 30 to 1000 Euros, sorted by occasion & type. The only gift that truly lasts – at Corelune. Read more...
Everyday Jewelry for Women: The 12 Best Gold Jewelry Pieces for Daily Wear
Everyday Jewelry for Women in Gold: The 12 Best Pieces for Daily Wear Explained. Which Jewelry Truly Works – at Corelune. Read more...
Buying a Diamond in 2026: The Most Honest and Comprehensive Guide
Buying a Diamond in 2026: The 4Cs in Depth, GIA Certificate Explained, Lab-grown vs. Natural & All Diamond Cuts. The Most Honest Guide. Read more...
Buying a Gold Chain: The Ultimate Guide for Women and Men 2026
Buying a Gold Chain in 2026: Fineness, Chain Styles, Lengths, Care & as a Gift. The Most Comprehensive Guide – for Women and Men. Read more...
Buying an Engagement Ring in 2026: The Complete Guide to the Perfect Ring
Buying an Engagement Ring in 2026: Budget, 4Cs, Color Gemstone vs. Diamond, Ring Size, GIA Certificate & the Perfect Moment. The Best Online Guide. Read more...
Diamond Clarity Scale: FL to I3 Explained
Diamond clarity scale: FL, VVS, VS, SI and I explained. Which clarity for whom and the best value for money – at Corelune. Read more...