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hambergite 25.90 ctheliodor 2.97 cthyalite opal 0.52 cthyalite opal 0.55 cthyalite opal pair 0.74 cthyalite opal 0.80 cthyalite opal 0.88 cthyalite opal 1.31 cthyalite opal 1.46 cthyalite opal 1.50 ct

Showing 571–580 of 1513 results

    $260.00

    Price Per Carat
    $10.04
      • Gemstone
      • Hambergite
      • Origin
      • Malkhan, Russia
      • Weight
      • 25.90 ct
      • Dimension (mm)
      • 26 x 20 x 5.6
      • Shape
      • Natural Rough
      • Color
      • Water Clear-Colorless
      • Clarity
      • Transparent, clean
      • Treatment
      • None
      • Tone / Saturation
        • Colorless
        • Very Very Light
        • Very Light
        • Light
        • Light-Medium
        • Medium
        • Medium Deep
        • Deep
        • Very Deep
        • Near Blackish
      • Investment potential
        • 10
        • 9
        • 8
        • 7
        • 6
        • 5
        • 4
        • 3
        • 2
        • 1
      • Rarity
        • 10
        • 9
        • 8
        • 7
        • 6
        • 5
        • 4
        • 3
        • 2
        • 1

    * 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

    $201.00

    Price Per Carat
    $67.68
      • Gemstone
      • Heliodor
      • Origin
      • Ukraine
      • Weight
      • 2.97 ct
      • Dimension (mm)
      • 9.9 mm Diameter x 6.4 mm
      • Calibrated Size
      • Yes
      • Type of Cut
      • Custom Designed ROUND
      • Cutter
      • Faceted by Ravenstein Gem Co.
      • Color
      • Pastel Green Gold
      • Clarity
        • F
        • VVS1
        • VVS2
        • VS1
        • VS2
        • SI1
        • SI2
        • P1
        • P2
      • Treatment
      • None
      • Sheen/Schiller/Silk intensity
        • None
        • Very Low
        • Low
        • Low-Medium
        • Medium
        • Medium-Strong
        • Strong
        • Very Strong
      • Tone / Saturation
        • Colorless
        • Very Very Light
        • Very Light
        • Light
        • Light-Medium
        • Medium
        • Medium Deep
        • Deep
        • Very Deep
        • Near Blackish
      • Note
      • VIDEO: https://www.youtube.com/shorts/jUo-BLbzZ-M, VIDEO: https://www.youtube.com/shorts/M27dlCQ3TnQ

    * 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

    $205.00

    Price Per Carat
    $394.23
      • Gemstone
      • Hyalite Opal
      • Origin
      • Mexico
      • Weight
      • 0.52 ct
      • Dimension (mm)
      • 6.4 x 6.1 x 4.1
      • Calibrated Size
      • No
      • Type of Cut
      • Custom Designed TRIANGLE
      • Cutter
      • Faceted by Ravenstein Gem Co.
      • Color
      • Colorless to Neon Green under 365 UV
      • Clarity
        • F
        • VVS1
        • VVS2
        • VS1
        • VS2
        • SI1
        • SI2
        • P1
        • P2
      • Treatment
      • None
      • Sheen/Schiller/Silk intensity
        • None
        • Very Low
        • Low
        • Low-Medium
        • Medium
        • Medium-Strong
        • Strong
        • Very Strong
      • Note
      • VIDEO: https://www.youtube.com/watch?v=nI2QieslXog

    * 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

    $220.00

    Price Per Carat
    $400.00
      • Gemstone
      • Hyalite Opal
      • Origin
      • Mexico
      • Weight
      • 0.55 ct
      • Dimension (mm)
      • 7.5 x 4.1 x 3.4
      • Calibrated Size
      • No
      • Type of Cut
      • Radiant OCTAGON
      • Cutter
      • Faceted by Ravenstein Gem Co.
      • Color
      • Colorless to Neon Green under 365 UV
      • Clarity
        • F
        • VVS1
        • VVS2
        • VS1
        • VS2
        • SI1
        • SI2
        • P1
        • P2
      • Treatment
      • None
      • Sheen/Schiller/Silk intensity
        • None
        • Very Low
        • Low
        • Low-Medium
        • Medium
        • Medium-Strong
        • Strong
        • Very Strong
      • Note
      • VIDEO: https://www.youtube.com/watch?v=nI2QieslXog

    * 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

    $304.00

    Price Per Carat
    $410.81
      • Gemstone
      • Hyalite Opal
      • Origin
      • Mexico
      • Weight
      • 0.74 ct
      • Dimension (mm)
      • 5.8/6.1 x 5.8/6.1 x 3.4/3.4
      • Calibrated Size
      • No
      • Type of Cut
      • Custom Designed TRILLION
      • Cutter
      • Faceted by Ravenstein Gem Co.
      • Color
      • Colorless to Neon Green under 365 UV
      • Clarity
        • F
        • VVS1
        • VVS2
        • VS1
        • VS2
        • SI1
        • SI2
        • P1
        • P2
      • Treatment
      • None
      • Sheen/Schiller/Silk intensity
        • None
        • Very Low
        • Low
        • Low-Medium
        • Medium
        • Medium-Strong
        • Strong
        • Very Strong
      • Note
      • VIDEO: https://www.youtube.com/watch?v=nI2QieslXog

    * 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

    $325.00

    Price Per Carat
    $406.25
      • Gemstone
      • Hyalite Opal
      • Origin
      • Mexico
      • Weight
      • 0.80 ct
      • Dimension (mm)
      • 7.7 x 7.7 x 4.5
      • Calibrated Size
      • No
      • Type of Cut
      • Custom Designed TRILLION
      • Cutter
      • Faceted by Ravenstein Gem Co.
      • Color
      • Colorless to Neon Green under 365 UV
      • Clarity
        • F
        • VVS1
        • VVS2
        • VS1
        • VS2
        • SI1
        • SI2
        • P1
        • P2
      • Treatment
      • None
      • Sheen/Schiller/Silk intensity
        • None
        • Very Low
        • Low
        • Low-Medium
        • Medium
        • Medium-Strong
        • Strong
        • Very Strong
      • Note
      • VIDEO: https://www.youtube.com/watch?v=nI2QieslXog

    * 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

    $377.00

    Price Per Carat
    $428.41
      • Gemstone
      • Hyalite Opal
      • Origin
      • Mexico
      • Weight
      • 0.88 ct
      • Dimension (mm)
      • 8.4 x 7.5 x 4.9
      • Calibrated Size
      • No
      • Type of Cut
      • Custom Designed Fan
      • Cutter
      • Faceted by Ravenstein Gem Co.
      • Color
      • Colorless to Neon Green under 365 UV
      • Clarity
        • F
        • VVS1
        • VVS2
        • VS1
        • VS2
        • SI1
        • SI2
        • P1
        • P2
      • Treatment
      • None
      • Sheen/Schiller/Silk intensity
        • None
        • Very Low
        • Low
        • Low-Medium
        • Medium
        • Medium-Strong
        • Strong
        • Very Strong
      • Note
      • VIDEO: https://www.youtube.com/watch?v=nI2QieslXog

    * 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

    $720.00

    Price Per Carat
    $549.62
      • Gemstone
      • Hyalite Opal
      • Origin
      • Mexico
      • Weight
      • 1.31 ct
      • Dimension (mm)
      • 8.6 x 8.6 x 4.6
      • Calibrated Size
      • No
      • Type of Cut
      • Custom Designed TRILLION
      • Cutter
      • Faceted by Ravenstein Gem Co.
      • Color
      • Colorless to Neon Green under 365 UV
      • Clarity
        • F
        • VVS1
        • VVS2
        • VS1
        • VS2
        • SI1
        • SI2
        • P1
        • P2
      • Treatment
      • None
      • Sheen/Schiller/Silk intensity
        • None
        • Very Low
        • Low
        • Low-Medium
        • Medium
        • Medium-Strong
        • Strong
        • Very Strong
      • Note
      • VIDEO: https://www.youtube.com/watch?v=UT8XOZ7Okr4

    * 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

    $950.00

    Price Per Carat
    $650.68
      • Gemstone
      • Hyalite Opal
      • Origin
      • Mexico
      • Weight
      • 1.46 ct
      • Dimension (mm)
      • 9.3 x 7.1 x 5.1
      • Calibrated Size
      • Yes
      • Type of Cut
      • Custom Designed OVAL
      • Cutter
      • Faceted by Ravenstein Gem Co.
      • Color
      • Colorless to Neon Green under 365 UV
      • Clarity
        • F
        • VVS1
        • VVS2
        • VS1
        • VS2
        • SI1
        • SI2
        • P1
        • P2
      • Treatment
      • None
      • Sheen/Schiller/Silk intensity
        • None
        • Very Low
        • Low
        • Low-Medium
        • Medium
        • Medium-Strong
        • Strong
        • Very Strong
      • Note
      • VIDEO: https://www.youtube.com/shorts/cRRskgEfjMU

    * 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

    $608.00

    Price Per Carat
    $405.33
      • Gemstone
      • Hyalite Opal
      • Origin
      • Mexico
      • Weight
      • 1.50 ct
      • Dimension (mm)
      • 15.2 x 6.4 x 4.2
      • Calibrated Size
      • No
      • Type of Cut
      • Custom Designed MARQUISE
      • Cutter
      • Faceted by Ravenstein Gem Co.
      • Color
      • Colorless to Neon Green under 365 UV
      • Treatment
      • None
      • Sheen/Schiller/Silk intensity
        • None
        • Very Low
        • Low
        • Low-Medium
        • Medium
        • Medium-Strong
        • Strong
        • Very Strong
      • Note
      • VIDEO: https://www.youtube.com/watch?v=nI2QieslXog

    * 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)