Redora Jewels

Bring Your Own Diamond: What Setting It Costs and Who Pays If It Breaks

Setter pressing the prongs onto a 20.06 carat emerald cut lab grown diamond with pliers at the bench

Can you bring your own diamond to a manufacturer and have the ring made around it? At Redora Jewels, yes. Some inquiries start with a stone rather than a picture. Others start with a finished 3D file, which is covered in custom jewelry from 3D model files. It might be a loose lab grown diamond […]

How Big Is a 20 Carat Diamond? Measured, Not Estimated

igi report showing a 20.06 carat emerald cut lab grown diamond measuring 18.16 x 12.73 x 8.29 mm with the ring alongside

How big is a 20 carat diamond? Face-up, about 18 mm long and 13 mm wide. That is the short answer, and it is worth ten seconds before the longer one, because carat weight on its own tells you very little about how large a stone looks on a hand. The numbers below are not […]

Engagement Ring Buying Guide: A Factory’s View

Solid gold custom ring held on a wooden bench pin while the diamond seats are cut by hand at Redora's manufacturing facility

A practical engagement ring guide covering budget, the 4Cs, stone shapes, settings, metals, and long-term care. Straightforward advice to help you choose a ring that suits your partner, your budget, and daily life.

Are Lab Grown Diamonds Real? What Buyers Need to Know

Lab grown diamond ring beside a loose diamond and grading report

Lab grown diamonds are real diamonds, chemically and physically identical to natural stones. But that is only the starting point. This guide covers the actual differences that matter to buyers, including resale value, quality variability, simulant confusion, and what certification to require before you buy.

Do Lab Grown Diamonds Hold Their Value?

Lab grown diamond engagement ring on a neutral jewelry tray

Lab-grown diamonds do not hold their value the way natural diamonds do, typically recovering 20 to 40 percent on resale. But that is only part of the story. This guide explains why the depreciation happens, how to think about total purchase economics, and when a lab diamond is still the right choice.

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