New to buying sapphires? Start with our Ultimate Sapphire Buying Guide — the complete resource for color, origin, treatment, and pricing.

Interactive Sapphire Color Chart

Interactive Sapphire Color Chart

Explore natural loose sapphires by color and find the right gemstone for your custom ring. Start with our Ultimate Sapphire Buying Guide for the full picture.

All Blue Family Warm Tones Cool Tones Rare Typically Unheated Best for Engagement Accessible Budget
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Explore natural loose sapphires by color and find the right gemstone for your custom ring. Every stone ships with treatment disclosure, a 14-day return policy, and direct Ceylon sourcing.

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Return to the Ultimate Sapphire Buying Guide for the full picture on colors, origins, shapes, certification, and pricing — everything you need to buy a natural loose sapphire with confidence.
Continue Learning
Return to the Ultimate Sapphire Buying Guide for the full picture on colors, origins, shapes, certification, and pricing — everything you need to buy a natural loose gemstone with confidence.

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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Blue Star Sapphire Price Guide — What They Cost and Why

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.

Read moreabout Blue Star Sapphire Price Guide — What They Cost and Why

Tsavorite Garnet 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.

Read moreabout Tsavorite Garnet Price Guide — What They Cost and Why

Color-Change Sapphire 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.

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

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

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.

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

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

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.

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