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

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.

A card name marked † is our own trade word, not a laboratory colour grade. Every card opens with the wording a laboratory actually uses for that colour, which is not always the same word. A laboratory issues an opinion, and for sapphire it prints no clarity and no saturation grade.

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Explore natural loose sapphires by color and find the right gemstone for your custom ring. Where a stone has a laboratory report or card, its listing states the treatment that document discloses.

Browse All Loose Sapphires
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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.
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Our Recommendations

CG8469

1.45 ct Natural Pinkish Purple Sapphire, Heated – Cushion Mixed Cut | GIA Report | Sri Lanka (Ceylon)

HK$16,163.47 HKD

CG8454

1.63 ct Natural Heat-Treated Orange Sapphire – Oval Cut | GIA Report | Sri Lanka (Ceylon)

HK$19,467.82 HKD

CG8468

1.44 ct Natural Yellow Sapphire, No Indications of Heating – Round Mixed Cut | GIA Report | Sri Lanka (Ceylon)

HK$14,188.82 HKD

CG8465

1.86 ct Natural Tsavorite Garnet, Cushion Shape | GIA Report #1242032119

HK$22,334.25 HKD

CG8464

1.16 ct Natural Heat-Treated Yellow Sapphire – Emerald Cut | GIA Report | Sri Lanka (Ceylon)

HK$5,589.53 HKD

CG8463

1.62 ct Natural Heat-Treated Pink Sapphire – Emerald Cut | GIA Report | Madagascar

HK$11,609.03 HKD

CG8460

1.06 ct Natural Tsavorite Garnet, Cushion Shape | GIA Report #1242032053

HK$12,660.06 HKD

CG8459

1.20 ct Natural Unheated Purple Sapphire – Oval Cut | GIA Report | Sri Lanka (Ceylon)

HK$9,554.76 HKD

CG8458

2.05 ct Natural Heat-Treated Blue Sapphire – Radiant Cut | GIA Report | Sri Lanka (Ceylon)

HK$29,380.88 HKD

CG8457

1.75 ct Natural Heat-Treated Blue Sapphire – Round Cut | GIA Report | Sri Lanka (Ceylon)

HK$22,421.84 HKD

CG8456

1.65 ct Natural Unheated Ruby – Oval Cut | GIA Report | Madagascar

HK$91,964.56 HKD

CG8453

1.19 ct Natural Unheated Yellow Sapphire – Cushion Cut | GIA Report | Sri Lanka (Ceylon)

HK$15,160.22 HKD

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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.
Ahmed Shareek

Senior Gemologist & Proprietor

Crescent Gems

Ahmed Shareek

Ahmed Shareek is the founder of Crescent Gems and has over 26 years of experience in the natural colored gemstone industry. Since establishing the company in 2000, he has specialized in sourcing high-quality sapphires and other fine gemstones directly from leading mining regions, including Sri Lanka (Ceylon).

Drawing on decades of hands-on experience in gemstone sourcing, evaluation, and cutting, Ahmed writes practical guides to help buyers understand gemstone quality, treatments, origins, pricing, and value. His goal is to provide clear, reliable information that enables customers to purchase natural gemstones 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

Actual photographs, hand videos and 360-degree views

14-day returns

GIA reports for significant gemstones

Join our ever growing group of satisfied customers from around the world.

Latest Stories

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Star sapphire

Blue Star Sapphire Price Guide — What They Cost and Why

What blue star sapphire costs per carat, what actually drives the price, and the one stone we hold — 8.09 ct with a GIA Sapphire Origin Report, $4,040.

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

Tsavorite

Tsavorite Garnet Price Guide — What They Cost and Why

Tsavorite garnet prices by carat weight, from the seven stones in our own stock — $1,177 to $22,724 — and what actually limits the supply of a large clean stone.

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

Color-Change Sapphire Price Guide

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

What color-change sapphire costs per carat, what actually drives the price, and the two stones we hold — 1.03 ct at $824 and 2.01 ct at $2,211.

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

Chrysoberyl cats Eye Engagement ring

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

Chrysoberyl is Mohs 8.5 — above quartz (7) and emerald (7.5–8), below corundum (9) and diamond (10). What that means for daily wear, setting choice, and care.

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

Chrysoberyl Cats eye

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

What a genuine cat's-eye chrysoberyl actually costs, and what drives the price — with two stones currently in stock, at $3,792 and $9,482, priced out per carat.

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