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    Natural Blue Sapphire Gemstones

    Renowned for their classic royal blue hues, blue sapphires remain the most coveted variety of this precious gemstone. Our collection features only the finest true blue sapphires, each with documented origin and competitive cost per carat. Our natural blue sapphires offer unmatched quality for both investment purposes and heirloom jewelry creation.

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    Diamond shape refers to the overall outline and facets of a diamond. It’s a crucial factor that affects a diamond’s brilliance, fire, and scintillation – its ability to reflect light and sparkle.

    LEARN MORE ABOUT Shape
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    Carat weight

    Diamond weight, also known as carat weight, is a measure of a diamond’s mass. It’s one of the four Cs (carat, cut, clarity, and color) that determine a diamond’s value and price.

    LEARN MORE ABOUT Carat weight
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    1.90 Ct Deep Blue Triangle Mixed Cut Natural Sapphire

    1.90 Ct Deep Blue Triangle Mixed Cut Natural Sapphire

    1,800.00$
    5.43 ct Intense Blue Octagonal Ceylon Sapphire

    5.43 ct Intense Blue Octagonal Ceylon Sapphire

    29,750.00$
    1.79 carat Vivid Blue Oval Shape Sri Lanka Sapphire

    1.79 Vivid Blue Oval Shape Sri Lanka Sapphire

    4,212.00$
    1.51 carat Vivid Blue Cushion Shape Sri Lanka Sapphire

    1.51 Vivid Blue Cushion Shape Sri Lanka Sapphire

    2,651.00$
    1.59 carat Vivid Blue Cushion Shape Sri Lanka Sapphire

    1.59 Vivid Blue Cushion Shape Sri Lanka Sapphire

    2,791.00$
    1.41 carat Vivid Blue Round Shape Sri Lanka Sapphire

    1.41 Vivid Blue Round Shape Sri Lanka Sapphire

    2,475.00$
    1.90 carat Blue Pear Shape Sri Lanka Sapphire

    1.90 Blue Pear Shape Sri Lanka Sapphire

    2,964.00$
    1.88 carat Vivid Blue Cushion Shape Sri Lanka Sapphire

    1.88 Vivid Blue Cushion Shape Sri Lanka Sapphire

    5,133.00$
    1.38 carat Vivid Blue Oval Shape Sri Lanka Sapphire

    1.38 Vivid Blue Oval Shape Sri Lanka Sapphire

    3,767.00$
    6.21 carat Vivid Blue Oval Shape Sri Lanka Sapphire GRS

    6.21 Vivid Blue Oval Shape Sri Lanka Sapphire GRS

    24,219.00$
    6.80 carat Blue Oval Shape Sri Lanka Sapphire GRS

    6.80 Blue Oval Shape Sri Lanka Sapphire GRS

    21,658.00$
    6.35 carat Vivid to Deep Blue Pear Shape Sri Lanka Sapphire GRS

    6.35 Vivid to Deep Blue Pear Shape Sri Lanka Sapphire GRS

    24,765.00$
    6.30 carat Blue Oval Shape Sri Lanka Sapphire GRS

    6.30 Blue Oval Shape Sri Lanka Sapphire GRS

    22,932.00$
    7.38 carat Blue Oval Shape Sri Lanka Sapphire GRS

    7.38 Blue Oval Shape Sri Lanka Sapphire GRS

    20,148.00$
    6.88 carat Blue Oval Shape Sri Lanka Sapphire GRS

    6.88 Blue Oval Shape Sri Lanka Sapphire GRS

    21,913.00$
    6.60 carat Blue Oval Shape Sri Lanka Sapphire GRS

    6.60 Blue Oval Shape Sri Lanka Sapphire GRS

    21,021.00$
    6.09 carat Blue Pear Shape Sri Lanka Sapphire GRS

    6.09 Blue Pear Shape Sri Lanka Sapphire GRS

    26,522.00$
    6.07 carat Blue Cushion Shape Sri Lanka Sapphire GRS

    6.07 Blue Cushion Shape Sri Lanka Sapphire GRS

    19,333.00$
    7.92 carat Blue Cushion Shape Sri Lanka Sapphire

    7.92 Blue Cushion Shape Sri Lanka Sapphire

    10,296.00$
    8.67 carat Vivid Blue Cushion Shape Sri Lanka Sapphire GRS

    8.67 Vivid Blue Cushion Shape Sri Lanka Sapphire GRS

    49,593.00$
    6.70 carat Vivid Blue Oval Shape Sri Lanka Sapphire GRS

    6.70 Vivid Blue Oval Shape Sri Lanka Sapphire GRS

    26,130.00$
    7.06 carat Blue Pear Shape Sri Lanka Sapphire GRS

    7.06 Blue Pear Shape Sri Lanka Sapphire GRS

    34,876.00$
    7.65 carat Intense to Vivid Blue Cushion Shape Sri Lanka Sapphire GRS

    7.65 Intense to Vivid Blue Cushion Shape Sri Lanka Sapphire GRS

    29,825.00$
    2.45 carat Blue Cushion Shape Sri Lanka Sapphire

    2.45 Blue Cushion Shape Sri Lanka Sapphire

    2,450.00$
    3.40 carat Blue Oval Shape Sri Lanka Sapphire

    3.40 Blue Oval Shape Sri Lanka Sapphire

    3,200.00$
    1.87 carat Blue Sapphire Cushion Shape GRS

    1.87 Blue Sapphire Cushion Shape GRS

    5,000.00$
    4.98 carat Sri Lanka Blue Sapphire Cushion Shape GRS

    4.98 Sri Lanka Blue Sapphire Cushion Shape GRS

    22,410.00$
    1.52 carat Pear Shape Light Blue Sapphire

    1.52 Pear Shape Light Blue Sapphire

    900.00$
    2.14 carat Heart Shape Blue Sapphire

    2.14 Heart Shape Blue Sapphire

    4,280.00$
    2.43 carat Pear Shape Deep Blue Sapphire

    2.43 Pear Shape Deep Blue Sapphire

    1,300.00$
    1.66 carat Octagonal Shape Deep Blue Sapphire ALGT

    1.66 Octagonal Shape Deep Blue Sapphire ALGT

    900.00$
    9.38 carat Heart Shape Thai-Siamese Blue Sapphire

    9.38 Heart Shape Thai-Siamese Blue Sapphire

    24,900.00$
    2.36 carat Cushion Shape Royal Blue Sapphire EGL

    2.36 Cushion Shape Royal Blue Sapphire EGL

    2,900.00$
    13.1 Ct Intense Blue Octagonal Ceylon Sapphire

    13.1 Ct Intense Blue Octagonal Ceylon Sapphire

    Item Upon Request
    29.13 carat Blue Cushion Shape Sri Lanka Sapphire GRS

    29.13 Blue Cushion Shape Sri Lanka Sapphire GRS

    Item Upon Request
    2.89 carat Blue Sapphire Cushion Shape

    2.89 Blue Sapphire Cushion Shape

    Item Upon Request
    3.08 carat Blue Sapphire Cushion Shape

    3.08 Blue Sapphire Cushion Shape

    Item Upon Request
    3.50 ct Madagascar Octagonal Blue Sapphire GRS

    3.50 ct Madagascar Octagonal Blue Sapphire GRS

    Item Upon Request
    2.66 carat Cushion Shape Blue Sapphire GRS

    2.66 Cushion Shape Blue Sapphire GRS

    Item Upon Request
    2.24 carat Oval Shape Deep Blue Sapphire ALGT

    2.24 Oval Shape Deep Blue Sapphire ALGT

    Item Upon Request
    1.61 carat Octagonal Shape Deep Blue Sapphire ALGT

    1.61 Octagonal Shape Deep Blue Sapphire ALGT

    Item Upon Request
    2.81 carat Marquise Shape Deep Blue Sapphire ALGT

    2.81 Marquise Shape Deep Blue Sapphire ALGT

    Item Upon Request
    1.69 carat Oval Shape Deep Blue Sapphire ALGT

    1.69 Oval Shape Deep Blue Sapphire ALGT

    Item Upon Request
    2.35 carat Round Shape Australian Deep Blue Sapphire

    2.35 Round Shape Australian Deep Blue Sapphire

    Item Upon Request
    2.44 carat Round Shape Deep Blue Sapphire ALGT

    2.44 Round Shape Deep Blue Sapphire ALGT

    Item Upon Request
    23.41 carat Cushion Shape Burmese Strong Blue Sapphire SSEF

    23.41 Cushion Shape Burmese Strong Blue Sapphire SSEF

    Item Upon Request
    17.73 carat Oval Shape Sri Lankan Blue Sapphire

    17.73 Oval Shape Sri Lankan Blue Sapphire

    Item Upon Request
    1.95 carat Rectangular Shape Tanzanian Blue Sapphire CLG

    1.95 Rectangular Shape Tanzanian Blue Sapphire CLG

    Item Upon Request

    FREQUENTLY ASKED QUESTIONS

    What creates the iconic blue color in sapphires from different regions?

    The mesmerizing blue in natural sapphires comes from titanium and iron trace elements within the crystal structure. The precise combination and concentration of these elements create varying blue tones, from the highly valuable cornflower blue of Kashmir stones to the deeper royal blues from Burma, making each genuine sapphire uniquely precious based on its chemical composition.

    How does the "royal blue" of Kashmir sapphires differ from other blue varieties?

    Kashmir sapphires exhibit an incomparable “royal blue” with a distinctive velvety appearance caused by microscopic inclusions that scatter light perfectly. This rare aesthetic quality, combined with their extreme scarcity (the mines have been depleted for decades), makes them worth substantially more than other blue sapphires—often commanding prices 5-10 times higher than stones of similar quality from other origins.

    Which blue sapphire origins command the highest premiums in today's market?

    Kashmir blue sapphires remain the most valuable, with flawless specimens achieving record-breaking prices per carat. Burma (Myanmar) and Ceylon (Sri Lanka) follow as highly prized origins for conflict-free blue sapphires, with natural, unheated stones from these locations particularly sought after by collectors and investors looking for high-quality precious stones with exceptional color purity.

    What should collectors know about evaluating saturation versus tone in blue sapphires?

    When purchasing blue sapphires, collectors should prioritize saturation (color intensity) over tone (lightness/darkness), as highly saturated stones with medium tones typically command premium prices. The most valuable blue sapphires display rich, vibrant color throughout the stone without appearing too dark or inky—an important distinction for both aesthetic appeal and investment value when buying these natural gemstones.

    We Educate

    View more

    Bringing clarity to the realm of diamonds, gems, and fine jewelry through insight that elevates interest into true expertise.

    Why Humans Are Obsessed with Shiny Things: The Neuroscience of Gemstone Attraction
    • Diamonds
    Why Humans Are Obsessed with Shiny Things: The Neuroscience of Gemstone Attraction

    Why does a diamond’s fire stop you mid-stride in a jeweler’s window? Why do children instinctively reach for glittering objects before they can even name them? The human fascination with…

    ByArtem Bobrov
    April 13, 2026
    Gemstone Treatments Beyond Heat: Diffusion, Filling, Coating, and How to Spot Them
    • Gemstones
    Gemstone Treatments Beyond Heat: Diffusion, Filling, Coating, and How to Spot Them

    When you admire a brilliant blue sapphire or a vivid red ruby in a jewelry display, there’s a good chance that gemstone has undergone some form of treatment. Most buyers…

    ByArtem Bobrov
    April 07, 2026

    More about Loose Gemstones

    Gemstone Quality Assessment and Authentication

    Natural gemstones derive their value from rarity, origin location, and treatment history, making professional evaluation essential for informed purchasing decisions. Precious stones from legendary sources like Kashmir sapphires or Burmese rubies command premium prices due to exceptional color saturation and clarity characteristics. Certified documentation provides authentication of natural origin and conflict-free sourcing, while gemological assessment examines inclusion patterns and optical phenomena that determine market worth.

    Read more +

    Benefits of Purchasing Loose Precious Stones

    The loose gemstones market offers collectors direct access to investment-grade specimens without the markup associated with finished jewelry. Hand-selected stones provide superior cost-per-carat value compared to traditional retail channels, allowing buyers to examine color distribution and clarity grades before custom jewelry creation. Professional cutting and artisan craftsmanship enhance natural beauty, particularly in premium collections where each loose gem receives individual attention for optimal brilliance.

    Reuven Veksler’s Premium Natural Gems Collection

    Our curated selection of loose precious stones represents museum-quality specimens sourced through sustainable practices and verified provenance from our Antwerp operations since 1974. Each natural gemstone undergoes rigorous evaluation by certified experts, ensuring collector-grade quality with traceable origins and lifetime warranty protection. From vivid sapphires to pure emeralds, our conflict-free collection offers authentic value for buyers seeking exceptional stones with superior optical characteristics and documented investment potential.

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    Frequently Asked questions

    What makes loose gemstones a better choice than pre-set stones? 

    Purchasing loose gemstones offers superior flexibility and value compared to pre-set jewelry. You can examine the stone’s natural characteristics, clarity, and color saturation without interference from settings, ensuring you’re buying genuine, high-quality specimens. Loose precious stones also allow for custom jewelry creation, where you control both the gemstone selection and design process, often resulting in better cost per carat value.

    How do you determine the worth of colored gemstones? 

    The value of colored precious stones depends on rarity, origin, natural color intensity, and clarity grade. Pure, untreated specimens from legendary sources like Burma rubies or Kashmir sapphires command premium prices due to their aesthetic appeal and investment potential. GIA certified gemstones provide documented authenticity, helping buyers understand the real market worth of their purchase.

    Are natural gemstones conflict-free and ethically sourced? 

    Our natural gemstone collection consists entirely of conflict-free specimens sourced through established networks with documented origins. Each precious stone comes with clear provenance information, ensuring ethical mining practices and responsible sourcing. This commitment to conflict-free sourcing protects both the buyer’s investment and supports sustainable gemstone trade practices.

    What's the difference between precious and semi-precious gemstones? 

    Precious stones include diamonds, rubies, sapphires, and emeralds – the traditional “big four” known for their rarity, durability, and high value. Semi-precious rocks encompass all other natural gemstones like tanzanite, garnet, or amethyst, which can still be quite rare and valuable depending on quality and origin. Both categories offer genuine beauty and investment potential when purchasing high-quality, certified specimens.

    We Educate

    View more

    Bringing clarity to the realm of diamonds, gems, and fine jewelry through insight that elevates interest into true expertise.

    Why Humans Are Obsessed with Shiny Things: The Neuroscience of Gemstone Attraction
    • Diamonds
    Why Humans Are Obsessed with Shiny Things: The Neuroscience of Gemstone Attraction

    Why does a diamond’s fire stop you mid-stride in a jeweler’s window? Why do children instinctively reach for glittering objects before they can even name them? The human fascination with…

    BySarah Veksler
    April 13, 2026
    Gemstone Treatments Beyond Heat: Diffusion, Filling, Coating, and How to Spot Them
    • Gemstones
    Gemstone Treatments Beyond Heat: Diffusion, Filling, Coating, and How to Spot Them

    When you admire a brilliant blue sapphire or a vivid red ruby in a jewelry display, there’s a good chance that gemstone has undergone some form of treatment. Most buyers…

    ByReuven Veksler
    April 07, 2026