Posts by agni tro

Fancy-colour diamonds require a different valuation approach from colourless diamonds. Learn how hue, tone, saturation, colour origin, intensity, distribution, shape, condition and laboratory reports affect resale value.

Old mine and old European cut diamonds were shaped for different periods and visual styles. Learn how specialists distinguish them and how carat weight, colour, clarity, condition, documentation, settings and collector demand affect resale value.

Antique diamond jewellery may be worth more intact than as separate stones and metal. Learn how provenance, old cuts, signatures, hallmarks, condition and original construction affect its value—and what not to change before selling.

Inherited diamonds can usually be valued and sold even when the original receipt or grading report is missing. Learn how to confirm your authority to sell, preserve useful documents, understand the jewellery’s market value and choose a secure buyer.

Inheriting a diamond can create practical and emotional questions. You may not know when it was purchased, whether the paperwork is com...

Natural and laboratory-grown diamonds may look alike, but they operate in different resale markets. Learn how origin, supply, grading reports, quality, condition and buyer demand can influence the offer you receive.

Online diamond value calculators can provide a useful starting range when supplied with verified information. Discover what these tools calculate, which factors they miss and why physical inspection is normally required before confirming a resale offer.

A diamond report can help you understand and sell your stone, but only when it is authentic and matches the physical diamond. Learn how to check the report number, 4Cs, measurements, clarity plot, comments, treatments and laser inscription.

GIA, IGI and HRD Antwerp reports can all provide valuable diamond information, but buyers may interpret them differently. Learn how laboratory recognition, report type, verification, terminology and the physical diamond influence a resale offer.

Round brilliant diamonds generally attract the broadest resale demand, but an attractive oval, emerald, cushion or other fancy shape can still achieve a strong offer. Learn how shape, proportions, size, quality and market trends work together.