Natural Sapphire & Gemstone Buying Guides

Blue Star Sapphire Price Guide β€” What They Cost and Why

Blue Star Sapphire Price Guide β€” What They Cost and Why

Blue is the classic star sapphire color β€” here's what genuine blue star sapphire costs by star sharpness and body color, priced against a current 8.09ct GIA example.

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Star Sapphire vs. Regular Sapphire β€” What's the Difference?

Star Sapphire vs. Regular Sapphire β€” What's the Difference?

Is a star sapphire a real sapphire? Yes β€” here's exactly what separates it from the faceted sapphires you're used to seeing, and which one actually suits you.

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Purple & Violet Star Sapphire β€” Price and Buying Guide

Purple & Violet Star Sapphire β€” Price and Buying Guide

What drives purple and violet star sapphire prices, how the two colors differ, and real GIA-backed pricing from current in-stock stones.

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Pink Star Sapphire β€” Price and Buying Guide

Pink Star Sapphire β€” Price and Buying Guide

Real prices, real asterism science, and how to tell a genuine pink star sapphire from a purple one β€” with current in-stock examples and GIA-backed pricing.

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How to Tell If a Star Sapphire Is Natural: A Complete Identification Guide

How to Tell If a Star Sapphire Is Natural: A Complete Identification Guide

How to tell if a star sapphire is natural: what genuine asterism looks like, the inclusions that produce it, how to identify a synthetic Linde star, glass imitations, and diffusion-treated material β€” plus the tests and reports that confirm authenticity.

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Why Buy from Crescent Gems


Choosing a gemstone for an engagement ring or important piece of jewellery is a deeply personal decision. It is often a meaningful purchase made only a few times in a lifetime, so trust, accurate information and expert guidance matter. Crescent Gems combines more than 25 years of gemstone experience with direct sourcing, careful cutting and transparent treatment disclosure to help you choose with confidence

Natural, earth-mined gemstones only

Direct sourcing from leading mining regions

No synthetic, flux-filled or beryllium-diffused stones

In-house cutting and recutting

FREE Shipping within USA and Low rates for international orders.

Actual photographs, hand videos and 360-degree views

14-day returns

Free US return shipping

GIA reports for significant gemstones

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