The 563.35 carat star sapphire is the largest of its kind in the world. If the size is not impressive enough the near flawless gem quality of the …

The Star of India mined in Sri Lanka and weighing 563.4 carats is thought to be the ... The value of a star sapphire depends not only on the weight of the stone, but also the body color, visibility, and intensity of the asterism. The color of the stone has more impact on the value than the visibility of the star. Since more transparent stones ...

Here is the Top 10 list of most expensive gemstones in the world: Tanzanite—$1,200 per carat. Black Opal —$9,500 per carat. Red Beryl—$10,000 per carat. Musgravite—$35,000 per carat. Alexandrite—$70,000 per carat. …

Average brilliancy of 40% to 60%. Add to 20% or deduct to 10% for other cutting. Prices for ovals and cushions. Add 8% to 10% for rounds and pears. Add 10% to 20% for emeralds and marquis. Note: If certified Burmese and untreated, add 50%, except fair or lower grades. Typically, mid-quality untreated blue sapphire will sell for 20-30% more than ...

Neelam Stone Prices. Worth of blue sapphire stems from its rarity and popularity as a jewelry gemstone. In addition, being astrologically important, blue sapphire price in India or outside trend in a wide range of ₹ 2,500 and ₹ 2,00,000 plus per carat ($40 to $3080).

The stones stolen were valued at more than $400,000. Within two days the culprits were arrested: Jack Roland Murphy(also known as "Murph the Surf"), Allan Kuhn and Roger Clark; however, the gems had already been handed off.[3]

With the help of our sapphire value chart you'd be able to estimate the price of the gemstones you own, based on the different nuances and variations in color, as well as on their clarity and carat weight. Sapphire's price can be very high, and especially that of Kashmir sapphire, which display a fine silk, giving them a velvety look.

7.2 x 5.3mm Oval Blue Star Sapphire from Thailand, Weight of 1.77ct, Natural diffused Gemstone in Opaque Clarity, 1pc Oval Cabochon Star Sapphire - Color: Navy Blue, Mohs Hardness of 9 suitable for daily wear jewelry. $3699. 7.2 x …

7.2 x 5.3mm Oval Blue Star Sapphire from Thailand, Weight of 1.77ct, Natural diffused Gemstone in Opaque Clarity, 1pc Oval Cabochon Star Sapphire - Color: Navy Blue, Mohs Hardness of 9 suitable for daily wear jewelry. $3699. 7.2 x 5.3 mm. Add to Cart.

View Moonstone Profile. The International Gem Society (IGS) has a list of businesses offering gemstone appraisal services. Generally, the more transparent and colorless the body and more blue the adularescence, the higher the moonstone value.. Cabochons of translucent material, either white or with pleasing body color and adularescence, are fairly common on the market …

The stunning cabochon cut Black Star Diopside Gemstone Stone is a marvel in itself. Also known as the "Black Star of India", this gem comes with an enigmatic white four-pointed star that shines against an inky black sky, which makes it one of its kind. Diopside gets its name from the Greek terms 'di' meaning 'two' and 'opsis' meaning 'vision'.

Here is the Top 10 list of most expensive gemstones in the world: Tanzanite—$1,200 per carat. Black Opal —$9,500 per carat. Red Beryl—$10,000 per carat. Musgravite—$35,000 per carat. Alexandrite—$70,000 per carat. Emerald —$305,000 per carat. Ruby —$1.18 million per carat. Pink Diamond —$1.19 million per carat.

1-4 ct. Blue Star Sapphire Ceylon Good Star - SI-VVS Type II $1,000 to $3,000 +/- per carat

Star ruby is a rare variety of ruby that exhibits asterism; a six-rayed star that shimmers over the surface of the stone when it is moved. The star effect is owed to aligned needle-like rutile inclusions. It is the rutile which is responsible for its silky shine. In rough form, ruby is dull and greasy, but when cut and polished its luster is comparable to fine diamond.

The Star of India. Value:$37 million - $50 million (estimated) Year created:Circa 1720. Current location: American Museum of Natural History, New York, New York. ... The stone is considered the finest star ruby in the world. In 1964, a gang of thieves stole over 20 gems from the museum, including the ruby, which was eventually recovered. ...

Star stone spinels with 4-rayed stars have occasionally been cut from gray or grayish blue to black stones from Myanmar. A 6-rayed star can be seen in such material if oriented along the 3-fold symmetry axis of the crystal (parallel to the …

Code: sbkg123 Natural color star sapphire gem weighs 3.02 carats Star Sapphire Gemstone Size: 9.0mm x 7.1mm x 4.0mm deep Shape: oval cabochon Mined in India Price: $255.19 This natural black star sapphire cabochon gem shows a …

The effect is best viewed under a direct light source and while tilting and rotating the stone from different angles. Star sapphires contain unusual tiny needle-like ... She owned both the 60-carat Star of Bombay and the 200-carat Star of India, and often wore them both at the same time. ... Current Value : New Value: X Close Window. X Close ...

$1099 loose stone genuine black star of India includes original packaging great for crafts/making jewelry Does not include any certificate + $100.98 This item: Vintage Sweepstakes Fifth Prize Genuine Black Star of India Loose Stone $10.99

1. Red Diamond - $1,000,000 per carat. Above we featured the diamond as one of the most expensive gemstones, and coming in at number 1 with a price tag of over $1 million per carat is the red ...

The most famous Star Sapphire is the Star of India found around 300 years ago and is housed in the American Museum of Natural History in New York City. It is blue and flawless, the size of a golf ball with stars on both sides, and is a stone of great religious significance.

if they star then they might be worth something but if they are black and thats it maybe a 10 cents a piece These gems have life in them: their colors speak, say what words fail of. ~George Eliot chrono Super_Ideal_Rock Joined Apr 22, 2004 Messages 38,216 Apr 27, 2010 #7 Very little; probably just a few cents each.

Black Star Sapphire's striking star phenomenon is just one reason for this gemstone's popularity. As with all sapphire, it's also extremely durable, having a hardness of 9 on the Mohs scale. Sapphire has a specific gravity of 4.00, a refractive index of 1.76 - 1.78, and birefringence of 0.008. Most gems have a crystalline structure.

Rare star garnets come primarily from India and the U.S. state of Idaho. (The star garnet is the Idaho state gem). When properly cabbed, almandines with inclusions of asbestiform minerals (pyroxene or amphibole) may yield a 4 or 6-ray asterism effect. The Idaho material has a refractive index (N) of 1.808 and a specific gravity (SG) of 4.07. (Due to inclusions, the SG can …

The Indian black star diopside is a cabochon cut gemstone featuring a blazing white four-pointed star radiating against an inky black sky. This rare beauty is frequently call the "Black Star of India.". Diopside surfaced around the 1800s. Its name stems from the Greek word 'di' for two and 'opsis' for vision.

Star of India (gem) - Wikipedia. The Star of India is a 563.35-carat (112.67 g) star sapphire, one of the largest such gems in the world. It is almost flawless and is unusual in that it has stars on both sides of the stone. The greyish-blue gem was mined in Sri Lanka and is housed in the American Museum of Natural History in New York City. .

Star Sapphire Value Start an IGS Membership today for full access to our price guide (updated monthly). See Plans and Pricing Kashmir Sapphire Certified origin. Untreated material. Average brilliancy of 40 to 60%. Add to 20% or …

The Star of India, the world's largest sapphire—allegedly around 2 billion years old—weighs 563-carats and is roughly the size of a golf ball. ... The sapphire is the stone that Diana will always be associated with, and when she …

Country of Origin: India. Facets: 66. Originally Belonged To: The South Indian Kakatiya Dynasty. These are just a few basic facts about the famous Kohinoor diamond. For more on its value plus the intriguing tale of the Kohinoor curse, read on. The Kohinoor Legend & History. There is powerful mythology surrounding the origins of The Kohinoor ...

Rare star garnets come primarily from India and the U.S. state of Idaho. (The star garnet is the Idaho state gem). When properly cabbed, almandines with inclusions of asbestiform minerals (pyroxene or amphibole) may yield a 4 or 6 …

Star diopside has a specific gravity (density) ranging from 3.22 to 3.38 and a refractive index of 1.664 to 1.730. It belongs to the monoclinic crystal system and is known to form as columnar crystals. Star diopside has a very …

The Star of Asia is a large, 330 carats ... Adding to its aesthetic value are its rich blue colour and clear star, formed from three intersecting rutile striations. The stone was mined in Sri Lanka and was co-owned by the Kohinoor Trading Company and King's Jewelers of Colombo, Sri Lanka. It was brought to the U.S. in 1950 for display at the ...

Natural Blue-Gray Star Sapphire 9.96 carats. $2,332. Make offer. Natural Gray Star Sapphire 10.06 carats. $1,661. Make offer. Natural Unheated Gem Quality Sri Lankan Blue Star Sapphire 25.74 carats with GIA Report. $28,425. Make offer.

This item: Vintage Sweepstakes Fifth Prize Genuine Black Star of India Loose Stone. $10.99. Only 1 left in stock - order soon. Ships from and sold by BT Enterprises Inc.. $14.28 shipping. ICAI Beads 8mm Natural White Howlite Gemstone Round Loose Stone Beads for Jewelry Making DIY Crafts Design 1 Strand 15" APPR.43-45pcs. Read More