What is the full range of gemstones available at Crescent Gems?

Our complete catalog spans every sapphire color — blue, pink, yellow, teal, purple, violet, green, orange, peach, white, and padparadscha — plus ruby, tsavorite garnet, and chrysoberyl including cat's eye stones. Every cut, from oval and cushion through fancy shapes, and every price tier from designer-parcel pieces to investment-grade certified stones.

How do I find the right stone in such a large catalog?

Use our color-specific and cut-specific collections to narrow your search, or filter by carat weight, treatment, and price directly on this page. If you're not sure where to start, email crescentgems@gmail.com and we will help you find the right stone for your project.

Natural loose gemstones.

All Natural Loose Gemstones - Sapphires, Rubies, and More

Every natural loose gemstone currently in stock at Crescent Gems, across every colour, cut, carat weight, and price tier. We specialise in Ceylon (Sri Lanka) origin gemstones sourced directly through our buying offices in Colombo, Beruwala, and Ratnapura. The majority of stones are unheated. Every stone is photographed under standardised lighting, and treatment status is disclosed on every product listing. Read more about our sourcing on our About page.

Browse by Colour

Blue sapphire - our largest and most comprehensive category. Browse all blue sapphires, or by origin and size: Ceylon blue sapphire · under 1 carat · over 1 carat · over 2 carats · unheated blue.

Teal sapphire - the leading non-traditional engagement ring stone. Browse all teal sapphires or teal over 1 carat.

Peach sapphire - warm blush-orange, mostly unheated, the modern romantic engagement ring choice. Browse all peach sapphires · under 1 carat · over 1 carat.

Pink sapphire - from soft blush to vivid hot pink. Browse all pink sapphires or pink over 1 carat.

Purple and violet sapphire - predominantly unheated, significantly undervalued relative to blue. Browse purple sapphire · under 1 carat · over 1 carat · violet sapphire.

Yellow sapphire - the Jupiter gemstone for Jyotish (Pukhraj). Browse all yellow sapphires · unheated over 1 carat · unheated over 2 carats.

Other sapphire colours - orange · green · white · padparadscha · colour-change · star sapphire.

Ruby - natural corundum in red. Browse all natural rubies or ruby over 1 carat with GIA.

Other species - tsavorite garnet · chrysoberyl · cat's eye chrysoberyl.

Browse by Cut

Oval · Cushion · Round · Emerald cut · Pear · Radiant · Trillion · Asscher · Fancy cut · Rectangular · Square.

Browse by Purpose

Fancy sapphires for engagement rings - curated non-traditional colours and cuts over 1 carat. All unheated sapphires - natural colour, no thermal treatment, across every colour family. Investment gemstones - GIA-certified collector-grade pieces. Matched sapphire pairs - calibrated colour-matched pairs for earrings and three-stone rings. Try-On eligible stones - see the stone in hand before you pay.

Our Buyer's Guides

New to buying sapphires? Our guide pages cover every major decision: heated vs unheated sapphire · Ceylon sapphire origin guide · sapphire engagement ring guide. For Jyotish buyers, see our Jyotish sapphire guide.

How to Find the Right Stone

If you know what you want, use the colour and cut navigation above. If you are not sure, email crescentgems@gmail.com with your budget, preferred colour, and intended use - engagement ring, collection, or Jyotish - and we will point you directly to the right stones. We respond within one business day. Every purchase includes a 14-day return policy and free US shipping via FedEx and UPS.