New Spinel Treatment: Nickel Diffusion
New Spinel Treatment: Nickel Diffusion
Scientists at the GIA laboratory in New York City recently discovered spinel, treated by nickel diffusion, in a parcel of...
from Gemworld International: Padparadscha
from Gemworld International: Padparadscha
Among these “fancy sapphires,” padparadscha, the delicate pure pink-orange variety, is the most popular and arguably the rarest.
Prominent corundum varieties ruby...
I don’t believe the opal found on Mars has ever been identified as ‘precious’
I Don't Believe the Opal Found on Mars has ever been Identified as 'Precious'
Maybe not, but maybe ....
Opal on Mars
Over the past few weeks,...
Cristiano Ronaldo’s Insane New Jacob & Co. Watch Is Covered With 388 Tsavorite Gemstones
Cristiano Ronaldo’s Insane New Jacob & Co. Watch Is Covered With 388 Tsavorite Gemstones
By BRYAN HOOD
The brilliant green stones are about 200 times rarer than...
Tucson 2023: Brace for Higher Prices and Tighter Supplies of Fine Goods
Tucson 2023: Brace for Higher Prices and Tighter Supplies of Fine Goods
Forecast from Gemworld's RobertsonJCK MagazineVictoria Gomelsky | January 25, 2023
A word to the wise: If...
Sotheby’s Hong Kong : Important Jewels
Hong Kong Important Jewels
The February 2023 auction, set to take place on February 3rd, with over 130 lots, has quite a few very interesting...
The News from Tanzania – Not Good
The News from Tanzania - Not Good
Why the Honeymoon is Over for the Arusha Mineral CentreSunday, January 15, 2023
According to The Citizen, the online...
STF raided ‘gemstone’ to be sent to NGJA for appraisal
STF raided ‘gemstone’ to be sent to NGJA for appraisal
from the Sri Lanka Daily News
Time to have some fun - what do you think...
An Historic Year – Christie’s
A Message from Guillaume CeruttiChristie’s Chief Executive Officer
The following has not been edited in any way. Please note that while there is no mention of...
from Gemworld International: Fire Opal
2023GemFocus-JanFireOpal1-2Download
This feature is provided courtesy of Gemworld International, Inc., publishers of the GemGuide and Gem Market News.
Gemworld International Announces Several Changes
For Immediate Release - Jan. 4, 2023 -
Gemworld International Announces Several Changes: - Brecken Branstrator named GemGuide’s editor-in-chief - Stuart Robertson steps into...
St. Edward’s Crown – the Coronation
St. Edward's Crown - the Coronation
Crowns are meant to be worn, and when done so, leaves no chance for any misunderstanding of your standing,...
