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  • Video Black Star Sapphire other gemstone 21,717 ct
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Mystic Thai Black Star Sapphire 21.72 ct Cabochon

Discover the allure of this Thai Black Star Sapphire, boasting a significant 21.72 carats set in a mesmerizing oval cabochon cut. The entrancing asterism effect captures the essence of the night sky. Ideal for creating a statement ring or pendant, this gem's dark charisma complements both formal and casual attire, making it a versatile choice for any collection. A true marvel of nature ready to become the centerpiece of your next custom jewelry design.

Black Star Sapphire other gemstone 21,717 ct

Item Number: 2293RU

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Black Star Sapphire from Thailand 21.717 ct - Oval Cabochon - approx. 17x15 mm Total Carat Weight: 21.717 ct. gemstone
  • Details

    Gemstones

    Name Black Star Sapphire other gemstone 21,717 ct
    Brand Collectors Edition
    Quantity Gemstones 1
    Carat Weight Sum 21,717 ct
    Alloy none
    Design other
    Colour black
    Crossed out price Live TV price

    First Gemstone

    Gemstone Sapphire
    Variety Black Star Sapphire
    Cut Cabochon
    Cut detailed Oval Cabochon
    Carat Weight 21,717 ct
    Size 17x15 mm
    Quantity 1
    Origin Thailand
  • Gem Information

    Sapphire

    Saphire

    As mentioned in our gemstone encyclopedia, Ruby and Sapphire are basically the same regarding composition. They are both colour varieties of the mineral corundum (aluminium oxide crystalline). Corundum is derived from the Sanskrit term for Ruby and Sapphire, kuruvinda.

    Learn more about sapphire!

  • Treatment and Care

    Black Star Sapphire

    Treatment None
    explanation N/A
    Care Instructions None
    Steam Cleaning Yes
    Ultrasonic Cleaning Yes
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    How to order:

    1. Place the item or items of your choice in your shopping basket.
    2. Proceed to check-out. If you have not yet logged-in or registered please follow the instructions.
    3. Now you will go through the separate steps (enter payment details) and read and confirm our terms and conditions and returns policy before you complete your order.
    4. On receipt of payment, we will get your order ready for dispatch. This will be sent to you via DHL Delivery.

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    Should you have any further questions regarding your order, now or at a later date, please contact our friendly customer services team on 0800 931 3333 or email us at customerservice@juwelo.com

  • Item categories

Mystic Thai Black Star Sapphire 21.72 ct Cabochon

Discover the allure of this Thai Black Star Sapphire, boasting a significant 21.72 carats set in a mesmerizing oval cabochon cut. The entrancing asterism effect captures the essence of the night sky. Ideal for creating a statement ring or pendant, this gem's dark charisma complements both formal and casual attire, making it a versatile choice for any collection. A true marvel of nature ready to become the centerpiece of your next custom jewelry design.

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Ringsize table

Ringsize UK Jewelo ring size Inner Diameter [mm] Inner Circumference [mm]
J 16 15,6 49,0
K 16 15,9 50,0
L 17 16,3 51,2
M 17 16,9 53,0
N 17 17,2 54,0
O 18 17,5 55,0
P 18 18,1 57,0
Q 19 18,5 58,0
R 19 18,7 59
S 19 19,4 61,0
T 20 19,7 62,0
U 20 20,1 63,0
V 20 20,4 64,0
W 21 21,0 66,0
X 21 21,3 67,0
Y 22 21,6 68,0
Z 22 22,0 69,0
Z+3 23 23,2 73,0

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