Gemstones

96 products

  • London Topaz - 70ct - Aaa+, Blue, Fancy Vivid - Luxury Watch - Excellent - Cut - Certified Au – Luxury Watch by Imperinan – Fine Jewellery by Imperial Time UK Ltd, London Kensington
    London Topaz - 70ct - Aaa+, Blue, Fancy Vivid - Luxury Watch - Excellent - Cut - Certified Au – Luxury Watch by Imperinan – Fine Jewellery by Imperial Time UK Ltd, London Kensington

    London Topaz - 70CT

    £3,000.00 GBP
    £3,000.00 GBP

    London Topaz Loose Gemstone (AAA+) - Blue Colour - Cushion Cut - 70CT - Set Includes A Box   This loose Topaz Gemstone present the most exquisite...
  • Emerald Small 2.5ct - Emerald Cut - Aaa+, Green, Fancy Vivid - Luxury Watch - Excellent – Luxury Watch by Imperial Timnan – Fine Jewellery by Imperial Time UK Ltd, London Kensington
    Emerald Small 2.5ct - Emerald Cut - Aaa+, Green, Fancy Vivid - Luxury Watch - Excellent – Luxury Watch by Imperial Timnan – Fine Jewellery by Imperial Time UK Ltd, London Kensington

    Emerald Small 2.5CT - Emerald Cut

    £2,500.00 GBP
    £2,500.00 GBP

    Emerald Small 2.5CT Loose Gemstone (AAA+) - Green Colour - Square Cut - 3.5CT - Set Includes A Box   This loose Emerald Gemstones presents the...
  • Tanzanite 33.5CT - Cushion Cutnan – Fine Jewellery by Imperial Time UK Ltd, London Kensington
    Tanzanite 33.5CT - Cushion Cutnan – Fine Jewellery by Imperial Time UK Ltd, London Kensington

    Tanzanite Fancy Vivid Sapphire Blue 33.5CT - Cushion Cut

    £24,000.00 GBP
    £24,000.00 GBP

    Tanzanite 33.5CT Loose Gemstone (AAA+) - Blue Colour - 33.5CT - Set Includes A Box   This loose Tanzanite Gemstone presents the most exquisite finish. The...
  • Frosted Chalcedony Naturally Terminated Zambia 826gFrosted Chalcedony Naturally Terminated Zambia 826g
    Frosted Chalcedony Naturally Terminated Zambia 826gFrosted Chalcedony Naturally Terminated Zambia 826g

    Frosted Chalcedony Naturally Terminated Zambia 826g

    £550.00 GBP
    £550.00 GBP

    Frosted Chalcedony Naturally Terminated Zambia 826g Chalcedony is a microcrystalline quartz named after the ancient Greek town of Chalcedon. It has been used in the Mediterranean...
  • Pyrite Ball Naturally Terminated Himalayas 477gPyrite Ball Naturally Terminated Himalayas 477g
    Pyrite Ball Naturally Terminated Himalayas 477gPyrite Ball Naturally Terminated Himalayas 477g

    Pyrite Ball Naturally Terminated Himalayas 477g

    £290.00 GBP
    £290.00 GBP

    Pyrite Ball Naturally Terminated Himalayas 477g Although widely known and among the more common minerals on earth, pyrite is capable of producing several different physical characteristics...
  • Blue Aragonite Gemstone Fine Mineral Display 1415.3Blue Aragonite Gemstone Fine Mineral Display 1415.3
    Blue Aragonite Gemstone Fine Mineral Display 1415.3Blue Aragonite Gemstone Fine Mineral Display 1415.3

    Blue Aragonite Gemstone Fine Mineral Display 1415.3

    £300.00 GBP
    £300.00 GBP

    Blue Aragonite Gemstone Fine Mineral Display 1415.3 Aragonite is a polymorph of calcium carbonate, meaning it has the same elemental makeup as calcite but with a...
  • Malachite Goede With Calcite Zambia 367gMalachite Goede With Calcite Zambia 367g
    Malachite Goede With Calcite Zambia 367gMalachite Goede With Calcite Zambia 367g

    Malachite Goede With Calcite Zambia 367g

    £185.00 GBP
    £185.00 GBP

    Malachite Goede With Calcite Zambia 367g Named by the ancient Greeks for its resemblance to the mallow plant, malachite has been an object of longing and...
  • Copper Matrix Naturally Terminated Gastein Austria 120g - Gold, Rough, No Stone - Luxury Watc – Luxury Jewellery by ImCopper Matrix Naturally Terminated Gastein Austria 120g
    Copper Matrix Naturally Terminated Gastein Austria 120g - Gold, Rough, No Stone - Luxury Watc – Luxury Jewellery by ImCopper Matrix Naturally Terminated Gastein Austria 120g

    Copper Matrix Naturally Terminated Gastein Austria 120g

    £280.00 GBP
    £280.00 GBP

    Copper Matrix Naturally Terminated Gastein Austria 120g Only a few places on earth produced crystallized copper, including Arizona and Kazakhstan, but none compare to the fame,...
  • Blue & White Lazulite Naturally Terminated Himalayas 160gBlue & White Lazulite Naturally Terminated Himalayas 160g
    Blue & White Lazulite Naturally Terminated Himalayas 160gBlue & White Lazulite Naturally Terminated Himalayas 160g

    Blue & White Lazulite Naturally Terminated Himalayas 160g

    £50.00 GBP
    £50.00 GBP

    Blue & White Lazulite Naturally Terminated Himalayas 160g Lazurite is a richly colored blue mineral primarily seen in cabochon gems or carvings. Lazurite is a major...
  • Vivianite Naturally Terminated Minerios Brazil 45g Vivianite Naturally Terminated Minerios Brazil 45g
    Vivianite Naturally Terminated Minerios Brazil 45g Vivianite Naturally Terminated Minerios Brazil 45g

    Vivianite Naturally Terminated Minerios Brazil 45g

    £600.00 GBP
    £600.00 GBP

    Vivianite Naturally Terminated Minerios Brazil 45g Pure vivianite is colorless, but the mineral oxidizes very easily, changing the color, and it is usually found as deep...
  • Malachite Goede With Calcite Zambia Africa 170gMalachite Goede With Calcite Zambia Africa 170g
    Malachite Goede With Calcite Zambia Africa 170gMalachite Goede With Calcite Zambia Africa 170g

    Malachite Goede With Calcite Zambia Africa 170g

    £85.00 GBP
    £85.00 GBP

    Malachite Goede With Calcite Zambia Africa 170g Named by the ancient Greeks for its resemblance to the mallow plant, malachite has been an object of longing...
  • Vivianite Naturally Terminated Minerios Brazil 240gVivianite Naturally Terminated Minerios Brazil 240g
    Vivianite Naturally Terminated Minerios Brazil 240gVivianite Naturally Terminated Minerios Brazil 240g

    Vivianite Naturally Terminated Minerios Brazil 240g

    £850.00 GBP
    £850.00 GBP

    Vivianite Naturally Terminated Minerios Brazil 240g Mineral Name: Vivianite Chemical Formula: Fe3(PO4)2 · 8H2O Color: Vivianite exhibits a wide range of colors, including deep blue, blue-green,...
  • Stibnite Naturally Terminated Asia 120gStibnite Naturally Terminated Asia 120g
    Stibnite Naturally Terminated Asia 120gStibnite Naturally Terminated Asia 120g

    Stibnite Naturally Terminated Asia 120g

    £200.00 GBP
    £200.00 GBP

    Stibnite Naturally Terminated Asia 120g Mineral Name: Stibnite Chemical Formula: Sb2S3 Color: Stibnite typically appears in a lead-gray to silvery-black color. It may exhibit metallic luster,...
  • Aquamarine Naturally Terminated Himalayas 698gAquamarine Naturally Terminated Himalayas 698g
    Aquamarine Naturally Terminated Himalayas 698gAquamarine Naturally Terminated Himalayas 698g

    Aquamarine Naturally Terminated Himalayas 698g

    £185.00 GBP
    £185.00 GBP

    Aquamarine Naturally Terminated Himalayas 698g Mineral Name: Aquamarine Chemical Formula: Be3Al2(SiO3)6 - Beryllium Aluminum Silicate Color: Aquamarine is best known for its captivating blue to blue-green...
  • Pyrit Naturally Terminated Gastein Austia 190gPyrit Naturally Terminated Gastein Austia 190g
    Pyrit Naturally Terminated Gastein Austia 190gPyrit Naturally Terminated Gastein Austia 190g

    Pyrit Naturally Terminated Gastein Austia 190g

    £30.00 GBP
    £30.00 GBP

    Pyrit Naturally Terminated Gastein Austia 190g Mineral Name: Pyrite Chemical Formula: FeS2 - Iron Sulfide Color: Pyrite is known for its brassy to golden metallic luster,...
  • Pink Tourmaline Naturally Terminated Himalayas 149gPink Tourmaline Naturally Terminated Himalayas 149g
    Pink Tourmaline Naturally Terminated Himalayas 149gPink Tourmaline Naturally Terminated Himalayas 149g

    Pink Tourmaline Naturally Terminated Himalayas 149g

    £175.00 GBP
    £175.00 GBP

    Pink Tourmaline Naturally Terminated Himalayas 149g Mineral Name: Pink Tourmaline Variety: Elbaite Chemical Formula: (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4) - Sodium, Lithium Aluminum Boro-silicate Hydroxide Color: Pink tourmaline, also known...
  • Flourite Naturally Terminated Himalayas 253gFlourite Naturally Terminated Himalayas 253g
    Flourite Naturally Terminated Himalayas 253gFlourite Naturally Terminated Himalayas 253g

    Flourite Naturally Terminated Himalayas 253g

    £275.00 GBP
    £275.00 GBP

    Flourite Naturally Terminated Himalayas 253g Mineral Name: Fluorite Chemical Formula: CaF2 - Calcium Fluoride Color: Fluorite displays a wide range of colors, including purple, blue, green,...
  • Vanadinite Naturally Terminated Morroco 50gVanadinite Naturally Terminated Morroco 50g
    Vanadinite Naturally Terminated Morroco 50gVanadinite Naturally Terminated Morroco 50g

    Vanadinite Naturally Terminated Morroco 50g

    £50.00 GBP
    £50.00 GBP

    Vanadinite Naturally Terminated Morroco 50g Mineral Name: Vanadinite Chemical Formula: Pb5(VO4)3Cl - Lead Vanadate Chloride Color: Vanadinite is known for its striking deep red to orange-red...
  • Aquamarine Naturally Terminated Himalayas 165gAquamarine Naturally Terminated Himalayas 165g
    Aquamarine Naturally Terminated Himalayas 165gAquamarine Naturally Terminated Himalayas 165g

    Aquamarine Naturally Terminated Himalayas 165g

    £200.00 GBP
    £200.00 GBP

    Aquamarine Naturally Terminated Himalayas 165g Mineral Name: Aquamarine Chemical Formula: Be3Al2(SiO3)6 - Beryllium Aluminum Silicate Color: Aquamarine is celebrated for its exquisite blue to blue-green hues,...
  • Aquamarine Naturally Terminated Himalayas 340gAquamarine Naturally Terminated Himalayas 340g
    Aquamarine Naturally Terminated Himalayas 340gAquamarine Naturally Terminated Himalayas 340g

    Aquamarine Naturally Terminated Himalayas 340g

    £375.00 GBP
    £375.00 GBP

    Aquamarine Naturally Terminated Himalayas 340g Mineral Name: Aquamarine Chemical Formula: Be3Al2(SiO3)6 - Beryllium Aluminum Silicate Color: Aquamarine is celebrated for its exquisite blue to blue-green hues,...

Frequently Asked Questions

What can I find in the Gemstones collection?
A curated selection of pieces that meet our standards for quality, condition and value. Listings include detailed specifications and high‑resolution images.
How do you verify authenticity and quality?
Our team inspects materials, maker’s marks, serials and construction. We cross‑check specifications and conduct due‑diligence before offering any item.
Do you offer appointments to view items?
Book a viewing via imperialtime.co.uk or contact us to arrange an appointment at our Kensington showroom.
Who are Imperial Time UK Ltd?
Established in 2015 and Member of the National Association of Jewellers (NAJ). Showroom: 79 Kensington Church Street, London.
Do you offer watch repairs and servicing?
Yes, our expert watch repair services cover all luxury brands including Rolex, Patek Philippe, Audemars Piguet, Cartier, Omega, and Hublot. Services include movement servicing, polishing, battery replacement, strap/bracelet adjustment, and full restorations. All repairs are conducted by qualified horologists and come with a service guarantee.
Do you provide valuations for insurance?
Yes, we provide professional watch and jewellery valuations for insurance purposes, resale, and probate. Our valuation reports include detailed specifications, market value, and certificates, accepted by major UK insurance providers.
Do you ship watches internationally?
Yes, we offer insured and tracked international shipping for all luxury watches. All items are packaged securely, require signature on delivery, and are fully insured during transit to ensure peace of mind.