Results in GRS Loose Diamonds & Gemstones

1-25 of 131

  • Yellow Sapphire-Unheated- 7.17 ct GRS certified

    Yellow Sapphire-Unheated- 7.17 ct GRS certified

    100% Unheated very very clean Natural Yellow Sapphire. Ceylon -Cushion Modified Brilliant/Step- GRS Certified. Item : Natural Yellow sapphire. Weight : 7.17 Ct. Colour : Yellow. GRS NO - 2016-099610. Magnified by 200x.
    £8,000.00
    Available for Best Offeror Best Offer
    Free P&P
  • 1.16-Carat Rare Unheated "Royal Blue" Sapphire from Burma (GRS-Certified)

    1.16-Carat Rare Unheated "Royal Blue" Sapphire from Burma (GRS-Certified)

    Gemstone : Natural Sapphire Color : Rich Intense Royal Blue. Pcs: 1 Origin: Mogok (Burma). Shape: Oval Remarks: Free GRS Certificate (See Below). Weight: 1.16 Carats Hardness: 9(Mohs Scale). The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £1,380.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 3.78 cts - GRS Not Enhanced Natural Green Sapphire With Video!

    3.78 cts - GRS Not Enhanced Natural Green Sapphire With Video!

    Big face up, well cut, this Green Sapphire has a bluish tint to it in sunlight & fluorescent. It kind of reminds me of a "Merel ani Mint" Garnet, only it is much harder! Very good cutting, & best of all, no treatment!
    £1,268.88
    From United States
    £39.65 postage
  • 22.55 Carat Emerald Cut Sapphire Natural VVS Certified GRS $120K

    22.55 Carat Emerald Cut Sapphire Natural VVS Certified GRS $120K

    We carry all types of stones from all labs (GIA, EGL, IGI, GRS, AGI, AGL etc.). SAPPHIRE - the color blue holds an endless fascination. From the high dome of the sky to the oceans that cover two-thirds of the globe's surface, blue literally surrounds us.
    £67,409.49
    From United States
    Available for Best Offeror Best Offer
    £237.92 postage
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  • GRS CERTIFIED 10.27 Cts Natural Ceylon Perfect Round Eye Cling Padparadscha

    GRS CERTIFIED 10.27 Cts Natural Ceylon Perfect Round Eye Cling Padparadscha

    10.27 Cts Natural Ceylon padparadscha. Excaellent,Eye Cling. Perfect Round. 100% Natural,Gentle Heat. We use a 10x microscopic photography system. The actual gem portrayed is far smaller than the images.
    £10,111.42
    From Sri Lanka
    Available for Best Offeror Best Offer
    Free P&P
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  • 1.46-Carat Unheated VVS-Clarity Sapphire from Madagascar (Certified by GRS)

    1.46-Carat Unheated VVS-Clarity Sapphire from Madagascar (Certified by GRS)

    Weight: 1.46 Carats Hardness: 9(Mohs Scale). Stone ID : R11168 Clarity: VVS1, Loupe-Clean. Gemstone : Natural Sapphire Color : Dark Blue with a Slight Greenish Hue. Pcs: 1 Origin: Madagascar. Shape: Cushion Remarks: Free GRS Certificate (See Below).
    £1,278.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 2.87-Carat GRS-Certified Unheated Oval-Cut Royal Blue Sapphire from Madagascar

    2.87-Carat GRS-Certified Unheated Oval-Cut Royal Blue Sapphire from Madagascar

    Gemstone : Natural Sapphire Color : Royal Blue. Shape: Oval Remarks: Free GRS Certificate (See Below). Pcs: 1 Origin: Madagascar. Weight: 2.87 Carats Hardness: 9(Mohs Scale). Cutting: Faceted. The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £5,209.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 5.23-Carat Unheated Oval-Cut Royal Blue Sapphire from Madagascar (GRS-Certified)

    5.23-Carat Unheated Oval-Cut Royal Blue Sapphire from Madagascar (GRS-Certified)

    Gemstone : Natural Sapphire Color : Royal Blue. Shape: Oval Remarks: Free GRS Certificate (See Below). Pcs: 1 Origin: Madagascar. Weight: 5.23 Carats Hardness: 9(Mohs Scale). Cutting: Faceted. The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £5,178.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 2.71-Carat Natural & Unheated "Ink Blue" Sapphire from Burma (GRS-Certified)

    2.71-Carat Natural & Unheated "Ink Blue" Sapphire from Burma (GRS-Certified)

    Gemstone : Natural Sapphire Color : Ink Blue. Mokok-Origin Rubies to the United States. Weight: 2.71 Carats Hardness: 9 (Mohs Scale). Exotic Gemstones.All Natural & Untreated. Size: 8.50 x 7.09 x 5.25 mm Treatment: None (Natural & Untreated).
    £1,897.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 5.20-Carat Unheated Royal Blue Sapphire from Sri Lanka (Certified by GRS)

    5.20-Carat Unheated Royal Blue Sapphire from Sri Lanka (Certified by GRS)

    Gemstone : Natural Sapphire Color : Royal Blue. Pcs: 1 Origin: Ceylon (Sri Lanka). Shape: Cushion Remarks: Free GRS Certificate (See Below). Weight: 5.20 Carats Hardness: 9(Mohs Scale). The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £4,719.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 0.52-Carat IGI-Certified Unheated Eye-Clean Lively Blue Sapphire from Kashmir

    0.52-Carat IGI-Certified Unheated Eye-Clean Lively Blue Sapphire from Kashmir

    Gemstone : Natural Sapphire Color : Lively Blue. Shape: Fancy Cut / Modified Pear Remarks: Free IGI Certificate (See Below). Weight: 0.52 Carats Hardness: 9(Mohs Scale). Pcs: 1 Origin: Kashmir (India).
    £472.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • GRS Certified 100% Color Change  12.88 Cts  Ceylon Alexandrite Crysoberyl

    GRS Certified 100% Color Change 12.88 Cts Ceylon Alexandrite Crysoberyl

    12.88 Cts Ceylon Alexandrite Crysoberyl. 12.88 Cts Natural unheated Ceylon Alexandrite Crysoberyl. GRS Certified 100% Color Change. Brownish Green Green to Orangy Red. Product Type:-. s in the market.
    £45,997.07
    From Sri Lanka
    Available for Best Offeror Best Offer
    Free P&P
  • 6.61-Carat 10mm Round Eye-Clean Intense Blue Burmese Sapphire (Certified by GRS)

    6.61-Carat 10mm Round Eye-Clean Intense Blue Burmese Sapphire (Certified by GRS)

    Gemstone : Natural Sapphire Color : Lustrous Intense Blue. Shape: Round Remarks: Free GRS Certificate (See Below). Weight: 6.61 Carats Hardness: 9(Mohs Scale). Stone ID : R11162 Clarity: SI1, Eye-Clean.
    £8,663.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 4.14-Carat Rare Unheated "Intense Cornflower Blue" Sapphire (GRS-Certified)

    4.14-Carat Rare Unheated "Intense Cornflower Blue" Sapphire (GRS-Certified)

    Gemstone : Natural Sapphire Color : Intense Cornflower Blue. Shape: Oval Remarks: Free GRS Certificate (See Below). Weight: 4.14 Carats Hardness: 9(Mohs Scale). The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £15,939.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 4.38-Carat Dark Blue VVS-Clarity Unheated Oval-Cut Sapphire from Australia

    4.38-Carat Dark Blue VVS-Clarity Unheated Oval-Cut Sapphire from Australia

    Gemstone : Natural Sapphire Color : Dark Blue. Stone ID : A10054 Clarity: VVS2, Loupe Clean. Shape: Oval Remarks: Free GRS Certificate (See Below). Weight: 4.38 Carats Hardness: 9(Mohs Scale). Pcs: 1 Origin: Central Queensland (Australia).
    £5,421.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 27.55-Carat Large GRS-Certified Natural & Unheated Blue Sapphire from Burma

    27.55-Carat Large GRS-Certified Natural & Unheated Blue Sapphire from Burma

    Gemstone : Natural Sapphire Color : Dark Blue. Weight: 27.55 Carats Hardness: 9(Mohs Scale). Exotic Gemstones.All Natural & Untreated. Pcs: 1 Origin: Mogok (Burma). Size: 19.72 x 17.45 x 7.47 mm Treatment: None (Natural & Untreated).
    £3,375.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 4.39-Carat Cabochon-Cut Lively Intense Blue Tanzanite (Certified by GRS)

    4.39-Carat Cabochon-Cut Lively Intense Blue Tanzanite (Certified by GRS)

    Gemstone : Natural Tanzanite Color : Lively Intense Blue. Shape: Fancy Cut Remarks: Free GRS Certificate (See Below). Cutting: Cabochon. Weight: 4.39 Carats Hardness: 6.5(Mohs Scale). The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £847.00
    From India
    Free P&P
  • 1.18-Carat GRS-Certified Unheated Intense Orangy Pink Padparadscha Sapphire

    1.18-Carat GRS-Certified Unheated Intense Orangy Pink Padparadscha Sapphire

    Gemstone : Natural Padparadscha (Sapphire) Color : Intense Orangy Pink. Shape: Oval Remarks: Free GRS Certificate (See Below). Weight: 1.18 Carats Hardness: 9(Mohs Scale). The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £1,558.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 1.18-Carat Unheated Pear-Shaped Padparadscha Sapphire (GRS-Certified)

    1.18-Carat Unheated Pear-Shaped Padparadscha Sapphire (GRS-Certified)

    Gemstone : Natural Padparadscha (Sapphire) Color : Intense Orange with Slight Pinkish Hue. Shape: Pear Remarks: Free GRS Certificate (See Below). Weight: 1.18 Carats Hardness: 9(Mohs Scale). The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £1,168.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 1.87-Carat Unheated Royal Blue Sapphire from Kashmir (IGI-Certified)

    1.87-Carat Unheated Royal Blue Sapphire from Kashmir (IGI-Certified)

    Gemstone : Natural Sapphire Color : Deep Royal Blue with Slight Violetish Hue. Pcs: 1 Origin: Kashmir (India). Shape: Oval Remarks: Free IGI Certificate (See Below). Weight: 1.87 Carats Hardness: 9(Mohs Scale).
    £2,777.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 4.99-Carat GRS-Certified Unheated Oval-Cut Padparadscha Sapphire from Ceylon

    4.99-Carat GRS-Certified Unheated Oval-Cut Padparadscha Sapphire from Ceylon

    Gemstone : Natural Padparadscha (Sapphire) Color : Soft Orangy Pink. Shape: Oval Remarks: Free GRS Certificate (See Below). Pcs: 1 Origin: Ceylon (Sri Lanka). Weight: 4.99 Carats Hardness: 9(Mohs Scale).
    £2,635.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 1.04-Carat Dazzling Unheated Royal Blue Sapphire from Ceylon (GRS-Certified)

    1.04-Carat Dazzling Unheated Royal Blue Sapphire from Ceylon (GRS-Certified)

    Gemstone : Natural Sapphire Color : Fiery Vivid Royal Blue. Pcs: 1 Origin: Ceylon (Sri Lanka). Shape: Cushion Remarks: Free GRS Certificate (See Below). Weight: 1.04 Carats Hardness: 9(Mohs Scale). The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £2,574.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 1.04 ct - GRS Unheated Pink Sapphire!

    1.04 ct - GRS Unheated Pink Sapphire!

    This stone almost looks like a Padparadscha in some lights & a ruby in other. Highly saturated beautiful pink color with a hint of orange. Slightly included, but not distracting to the beauty of the Sapphire.
    £1,188.79
    From United States
    Available for Best Offeror Best Offer
    £39.65 postage
  • 0.78-Carat Flawless Rich Royal Blue Unheated Sapphire (GRS-Certified)

    0.78-Carat Flawless Rich Royal Blue Unheated Sapphire (GRS-Certified)

    Gemstone : Natural Sapphire Color : Rich Royal Blue. Shape: Rectangular Cushion Remarks: Free GRS Certificate (See Below). Stone ID : A10016 Clarity: IF, Flawless. IF: Internally Flawless. Weight: 0.78 Carats Hardness: 9(Mohs Scale).
    £1,287.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 5.80-Carat GRS-Certified Unheated Cornflower Blue Sapphire from Burma

    5.80-Carat GRS-Certified Unheated Cornflower Blue Sapphire from Burma

    Gemstone : Natural Sapphire Color : Rich Intense Cornflower Blue. Pcs: 1 Origin: Mogok (Burma). Shape: Oval Remarks: Free GRS Certificate (See Below). Weight: 5.80 Carats Hardness: 9(Mohs Scale). The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £8,422.00
    From India
    Available for Best Offeror Best Offer
    Free P&P

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