Skip to main content
Video Loading
Want more images or videos?
Request additional images or videos from the seller
1 of 7

GIA Certified No Heat Natural 18.18 Carats Blue Star Sapphire Loose Stone

About the Item

A rare, investment quality GIA no heat, Ceylon Star Sapphire weighing 18..18 carats Sapphire color is medium to deep blue, rarely available GIA REPORT 1226671016 Transparent To Semi-Transparent Displaying Asterism Natural star sapphires are relatively rare gemstones, especially those without any heat treatment. The presence of a star phenomenon (asterism) further enhances their uniqueness. Rarity often drives up the value of gemstones, making them attractive to investors. The quality of the star sapphire plays a crucial role in determining its investment value. Factors such as color, clarity, cut, and the presence of a distinct star pattern contribute to its overall desirability. Higher-quality stones with vivid blue color, excellent clarity, well-defined star, and good proportions tend to command higher prices in the market. The Gemological Institute of America (GIA) is a highly reputable and trusted gemstone grading authority. The fact that the sapphire is GIA-certified adds credibility and assures potential buyers of its authenticity and quality. The certification should clearly state the stone's characteristics, including its natural origin, no-heat treatment, and star phenomenon. Gemstones, including star sapphires, can be considered a long-term investment. Their value may appreciate over time due to scarcity, increasing demand, or changing market dynamics. It's recommended to consult with gemstone experts or professional appraisers who can provide a more accurate assessment of the specific star sapphire's investment potential and its estimated market value based on the current market conditions.
More From This SellerView All
  • GIA Certified No Heat Natural Star Ruby Loose Stone Weighing 4.84 Carats
    By OGI Ltd
    Located in New York, NY
    A rare, investment quality GIA star ruby weighing 4.84 carats, no indication of heating GIA REPORT 6224671008 Natural star rubies are relatively rare and...
    Category

    20th Century Sri Lankan Contemporary Loose Gemstones

    Materials

    Ruby, Star Ruby

  • GIA Certified #6234058393 No Heat Ceylon Natural Star Sapphire 18.66 carats
    By OGI Ltd
    Located in New York, NY
    "GIA Certified 18.66 Carat No Heat Ceylon Natural Star Sapphire - Spectacular Gemstone" Elevate your jewelry collection with this extraordinary GIA Certified Ceylon Natural Star Sapp...
    Category

    20th Century Sri Lankan Contemporary Loose Gemstones

    Materials

    Star Sapphire

  • GIA Certified No Heat Ceylon Star Sapphire 7.35 Carat Finger Size 10 Dome Ring
    Located in New York, NY
    Indulge in the mesmerizing allure of this exquisite natural Ceylon star sapphire solitaire ring, 14 Karat Yellow Gold, boasting a substantial weig...
    Category

    Late 20th Century American Contemporary Solitaire Rings

    Materials

    Star Sapphire, Gold, 14k Gold, Yellow Gold

  • GIA Certified No Heat Pear Shape Carving Natural Sapphire Weighing 4.70 Carats
    By OGI Ltd
    Located in New York, NY
    GIA-certified No Heat Pear Shape Carving Natural Sapphire weighing 4.70 carats can be considered a valuable gemstone. GIA REPORT 222171092 Shape Pear Shape Carving Transparency Trans...
    Category

    Early 20th Century Burmese Contemporary Loose Gemstones

    Materials

    Sapphire

  • GIA Certified No Heat Natural Sapphire Origin Sri Lanka Weighing 2.80 Carat
    By OGI Ltd
    Located in New York, NY
    GIA certified no indication of heat, oval Sri Lanka sapphire weighing 2.80 carats GIA REPORT 2225687488 Cutting Style: Crown Modified Brilliant Cut Cutting Style: Pavilion Step Cut Transparency Transparent Color Blue Species Natural Corundum Variety Natural Sapphire Geographic Origin Sri Lanka TREATMENT No Indications of Heating Item Description: One loose stone Weight: 2.80 carats Measurements: 9.06 x 5.22 x 6.08 mm A GIA Natural Sapphire report is a gemological report issued...
    Category

    Vintage 1950s Sri Lankan Contemporary Loose Gemstones

    Materials

    Sapphire

  • GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Gemstone
    By OGI Ltd
    Located in New York, NY
    Introducing the Exquisite GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Elevate your jewelry collection with this stunning and rare GIA Certified No Heat Oval Natural ...
    Category

    20th Century American Contemporary Loose Gemstones

    Materials

    Ruby

You May Also Like
  • GIA Certified 7.02 Carat NO HEAT Blue Sapphire
    Located in Miami, FL
    This magnificent blue sapphire, weighing 7.02 carats, is a true natural wonder, untouched by heat treatment, and sourced directly from the earth. Its captivating cushion cut showcase...
    Category

    21st Century and Contemporary European Contemporary Loose Gemstones

    Materials

    Blue Sapphire

  • 4.18 Carat Unheated Natural Blue Sapphire Pear, Loose Gemstone, GIA Certified
    By Sarosi By Timeless Gems
    Located in Los Angeles, CA
    This 4.18 carat, unheated blue sapphire will make an absolutely breathtaking pendant or ring! The vast majority of sapphires available have been heated to bring out their prettiest c...
    Category

    21st Century and Contemporary Artisan Loose Gemstones

    Materials

    Sapphire, Blue Sapphire

  • 5.20 Carat Natural Cushion Cut No Heat Loose Violet Blue Sapphire Gemstone
    Located in Stamford, CT
    1920's AGL certified natural old style cushion cut sapphire. Large surface area with excellent brilliance. Certified by the AGL as natural, no heat, no enhancements. Bright face up a...
    Category

    21st Century and Contemporary Loose Gemstones

    Materials

    Sapphire, Blue Sapphire, Purple Sapphire

  • 4.82carat Natural Blue Sapphire loose Stone oval shape Blue Sapphire
    Located in Delhi, DL
    Certified no heat no treatment Natural oval shape 4.82carat Blue sapphire Carat: 4.82 cts Colour: Blue L x W x D (mm): 10.1 x 8.9 x 5.9 Cut: Rectangular Cushion Mixed Cut Clarity: ...
    Category

    21st Century and Contemporary Sri Lankan Art Deco Loose Gemstones

    Materials

    Blue Sapphire

  • GIA Certified 2.91 Carat Oval Light Pink No Heat Sapphire
    Located in Los Angeles, CA
    GIA Certified Light Pink Sapphire Shape- Oval Modified Brilliant Cut Carat Weight- 2.91 Carats Comments- No Indications of Heating GIA Report Number- 2221380622 Measurements- 7....
    Category

    21st Century and Contemporary Loose Gemstones

    Materials

    Sapphire

  • Natural Blue Sapphire GIA Certified 3.87 Carats
    Located in Los Angeles, CA
    Embrace the allure of a Natural Blue Sapphire, a mesmerizing gem weighing 3.87 carats, accompanied by a GIA Report for authenticity. The cushion shaped beauty, measuring 10.96 x 8.19...
    Category

    21st Century and Contemporary Unknown Loose Gemstones

    Materials

    Blue Sapphire

Recently Viewed

View All