Natural Sapphire & Gemstone Buying Guides

Blue Star Sapphire Price Guide — What They Cost and Why

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

Plussur Blue Star Sapphire Price Guide — What They Cost and Why

Tsavorite Garnet Price Guide — What They Cost and Why

Real tsavorite garnet prices by quality tier and carat weight, from 8 current in-stock stones ranging $1,177 to $22,724, plus how it compares to emerald.

Plussur Tsavorite Garnet Price Guide — What They Cost and Why

Color-Change Sapphire Price Guide — What They Cost and Why

What a genuine color-change sapphire costs by shift strength and origin, priced against two current in-stock stones from $824 to $2,211.

Plussur Color-Change Sapphire Price Guide — What They Cost and Why

Is Cat's-Eye Chrysoberyl Good for an Engagement Ring?

Chrysoberyl is Mohs 8.5 — the third-hardest gemstone after diamond and corundum. Here's what that means for daily wear, setting choice, and long-term care.

Plussur Is Cat's-Eye Chrysoberyl Good for an Engagement Ring?

Cat's Eye Chrysoberyl Price Guide — What They Cost and Why

What a genuine cat's-eye chrysoberyl actually costs by eye quality and body color, with real current stock examples from $3,792 to $9,482.

Plussur Cat's Eye Chrysoberyl Price Guide — What They Cost and Why

Star Sapphire vs. Regular Sapphire — What's the Difference?

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

Plussur Star Sapphire vs. Regular Sapphire — What's the Difference?

Purple & Violet Star Sapphire — 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.

Plussur Purple & Violet Star Sapphire — Price and Buying Guide

Pink Star Sapphire — Price and Buying Guide

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

Plussur Pink Star Sapphire — Price and Buying Guide

The Sapphire Buyer's Field Guide — Six Checks Before You Buy

A working field guide for buying natural sapphire: the five things that pretend to be sapphire, a ninety-second loupe check, the four treatments that change value, how to read a GIA report, and seven questions that expose a bad seller.

Plussur The Sapphire Buyer's Field Guide — Six Checks Before You Buy

The Ultimate Guide to Buying Natural Loose Sapphires

Acheter un saphir naturel : le guide d'achat complet

Un guide d'achat du saphir écrit pour le marché français : les sept facteurs de valeur traités ensemble et non en silos, avec des prix, des poids et des numéros de rapport pris dans notre stock. Il explique aussi pourquoi le décret n° 2002-65 n'oblige pas un vendeur à vous signaler une chauffe — et donc pourquoi le rapport de laboratoire est votre seule preuve.

Plussur Acheter un saphir naturel : le guide d'achat complet

Custom Sapphire Rings — The Complete Guide to Designing Your Own

Everything that goes into a custom sapphire ring: choosing the stone first, the commissioning process, metal colour, protective settings for fancy shapes, side stones, and typical timelines and costs — with links to every detailed Crescent Gems guide.

Plussur Custom Sapphire Rings — The Complete Guide to Designing Your Own

Sapphires at Wholesale Prices

Crescent Gems sells natural Ceylon sapphires at wholesale prices to jewelers, designers, gem resellers, and jewelry manufacturers who can prove they are in the trade. Sourced directly in Sri Lanka and cut in our own factory, with generous discounts for verified trade accounts.

Plussur Sapphires at Wholesale Prices

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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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Natural Sapphire & Gemstone Buying Guides

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