Kambiz Safaie

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Car boot sale diamond ring bought for just £10 reaches almost double its £350,000 estimate

A diamond ring which was purchased at a car boot sale for £10 has been sold for £656,750 at auction.<p>The cushion-shaped jewel was expected to fetch up to £350,000 when it went under the hammer at Sotheby's in London, but in the end was snapped up for close to twice that amount.<p>Named the 'Tenner' …

Margaret Thatcher

Lucara Earns $55 Million from First Exceptional Diamond Tender of 2017

"When you’re selling your offcuts for almost $20 million, you know something is going right," writes Thomas Biesheuvel for BloombergPursuits. "Lucara …

Extreme Sports

Is the halo engagement ring trend dying?

<i>In the early years of my career, I was asked to do a cushion cut halo design with a 2 carat oval shaped diamond, at the time oval shaped stones were</i> …

PAVE

Diamonds vs Moissanite

"Is moissanite a better option?’ This is the question facing many couples when considering purchasing their wedding sets. Today, it is not a …

Diamonds

Massive 706-carat diamond unearthed in Sierra Leone

<b>(CNN) —</b> A pastor has unearthed a massive gem in eastern Sierra Leone.<p>Pastor Emmanuel Momoh, who also works as a miner, discovered the 706-carat diamond in Kono district, the government said in a statement.<p>He handed it over to President Ernest Bai Koroma, who thanked him for not smuggling it out of …

Sierra Leone

Diamonds lose their sparkle as couples prioritise weddings, housing and children over expensive rings

Diamonds, in the words of one of the world’s most famous marketing slogans, are supposed to be forever.<p>But a growing fashion for engagement rings with coloured stones, such as rubies and emeralds, is threatening to undermine their pre-eminence.<p>When Frances Gerety, a young advertising copywriter, …

Julianne Moore

Richard T. Liddicoat (1918–2002)

Richard T. Liddicoat received numerous tributes during his lifetime, including the naming of the tourmaline species liddicoatite. But one honor …

Jewelry

Creating memories that live forever. Farsi Jewelers Blog

A client recently came to us, wanting to combine two wedding rings. Her husband had recently passed away, and she wanted to memorialize their life …

Wedding Rings

Rare $675,000 opal makes public debut - CNN Style

Written by By Georgia McCafferty, CNN<p>The world's finest uncut opal, a 998-gram gem called the Fire of Australia, has gone on permanent public display for the first time since its discovery more than 60 years ago.<p>Valued at more than $675,000, the stone is the largest known high-grade opal in the …

Jewelry

Andradite in Andradite | Gems Gemology

United States

World's biggest diamonds may unlock mysteries of Earth's mantle, say geologists

The world's largest diamonds aren't just more valuable for jewelers: they also hold surprising clues about the composition of the Earth's mantle, …

Geology

Diamond Prices Make Small Gains in November

New York--Prices of 0.30-carat, 1-carat and 3-carat polished diamonds were up slightly in the month of November, lifted by U.S. optimism in the wake …

Diamonds

Diamonds convert nuclear waste into clean batteries

Nuclear waste is normally a major environmental headache, but it could soon be a source of clean energy. Scientists have developed a method of turning that waste into batteries using diamond. If you encapsulate short-range radioactive material in a human-made diamond, you can generate a small …

Seek the World’s Most Vivid Blue Spinel with GIA Field Gemologists | Research News

Hunting for Spinels in Vietnam<p>In this new video from GIA’s field gemology department, you will accompany field gemologist Vincent Pardieu to …

Tourmaline Quality Factors

<b>Color</b><br>One of tourmaline’s most sought-after and generally available colors is the pink/red variety known in the trade as rubellite.<p>Green tourmaline’s …

Jewelry

Lucapa Finds Yet Another Large Diamond – This Time 172 Carats

Just a week after finding a 104-carat Type IIa, D-color diamond which was the fourth stone over 100 carats discovered this year, Lucapa Diamond Co. …

Archaeology

Stir crazy: the world's most expensive teapot

Officially certified by the Guinness Book of Records, the $3 million Egoist is the most valuable teapot in the world.The British are known for their …

Tea

Fancy Color Diamond Quality Factors

<b>Color</b><br>In diamonds, rarity equals value. With diamonds in the normal range, value is based on the absence of color, because colorless diamonds are the …

It’s Not Just You: Taekwondo Looks Totally Different at Rio

Taekwondo may be the only Olympic sport with an upgrade cycle as fast as the iPhone’s.<p>The sport draws heavily on ancient Japanese and Chinese martial …

Gymnastics

Gem Buyers Beware: Get Rich Quick Scams

People’s love of diamonds and other gemstones runs deep. Even the most ancient cultures prized them for adornment and as tangible symbols of …

Identity Theft

Microwaving Rubies Makes Them Prettier

Not all gemstones are of the same quality. While some rubies are clear and beautiful, others are dull, filled with flaws, and the color of old blood. …

These 12 lizards were trapped in amber for 99 million years

Amber fossils in Myanmar give scientists a snapshot of lizard evolution.<p>Some 99 million years ago, 12 unsuspecting lizards stepped or fell into …

Paleontology

5-Carat Lab-Grown Blue Diamond Graded by GIA

New York--The Gemological Institute of America’s New York laboratory recently evaluated the largest lab-grown blue diamond it’s seen to date, a …

Jewelry

Smartwatch and Apple Watch Sales Outpace Swiss Watch Sales for First Time

Thanks in large part to Apple and the Apple Watch, sales of smartwatches outpaced sales of Swiss watches in Q4 2015, according to Strategy Analytics. Apple, Android Wear, Pebble, and other smartwatches combined to sell 8.1 million units in the fourth quarter. By comparison, 7.9 million Swiss …

Smartwatches

Massive 404-Carat Diamond Discovered in Angola

A massive, 404-carat diamond was found in the southern African country of Angola, the Lucapa Diamond Company announced Monday.<p>The 404.2-carat diamond …

Natural History

$21M Hatton Garden jewel heist biggest 'in English legal history,' lawyer says

<b>London (CNN) —</b> Four men went on trial in London Monday for the audacious heist of £14 million ($21.2 million) worth of gems, jewelry and cash from a safe deposit company in the city's diamond district, described by a prosecutor as "the largest burglary in English legal history."<p>Thieves struck the …

CNN

Biggest diamond in 100 years adds $150 million to miner

What better way to add luster to your mining shares than to unearth the world's second biggest diamond?<p>Shares in Lucara (LUCRF) soared 32% after it unveiled a stone of 1,111 carats -- which it says is the biggest gem quality diamond found in more than 100 years. The stock market move added about …

CNN

Saturn moon has a global ocean, say NASA scientists. Could it harbor life?

Locked beneath the icy crust of Enceladus, Saturn's sixth-largest moon, is a global ocean that could potentially harbor life, say NASA …

Astronomy