News

Advanced Search

Search Results

Headers Only
   
GIA HPHT
Undisclosed Green Synthetics Raise GIA Eyebrows
Twenty-five undisclosed lab-grown diamonds have turned up at the Gemological Institute of America (GIA) — including several with a rare
News May 26, 2019 Rapaport News
Sarine
India Credit Slowdown Squeezes Sarine Profit
Sarine Technologies posted a loss in the first quarter as credit problems in the Indian manufacturing sector led to softened
News May 20, 2019 Rapaport News
GIA
GIA Aligns Lab-Grown Reports with FTC Standards
The Gemological Institute of America (GIA) has updated the language in its lab-grown-diamond certificates to conform to the recent
News Mar 31, 2019 Rapaport News
CIBJO
CIBJO Calls for Synthetics Treatment Disclosure
The World Jewellery Confederation (CIBJO) has specified the need to disclose treatments when it comes to both natural
News Mar 17, 2019 Rapaport News
Irradiated melee
GIA Spots CVD Stone in Parcel of Treated Melee
In a rare case, the Gemological Institute of America (GIA) has discovered an irradiated chemical vapor deposition (CVD) diamond
News Feb 10, 2019 Rapaport News
GIA
GIA Sheds Light on De Beers’ Synthetics
Two white lab-grown diamonds from De Beers’ Lightbox brand have G color and VS clarity, the Gemological Institute
News Feb 07, 2019 Joshua Freedman
GIA mistaken
‘Lab-Grown’ Diamond Turns Out to Be Natural
A client of the Gemological Institute of America (GIA) wrongly submitted a natural diamond as a lab-grown stone, the organization said.
News Feb 06, 2019 Rapaport News
Diamond swapping
Trade ‘Blind to Diamond-Swapping Threat’
Diamond dealers are failing to protect themselves against stone-swapping, and are instead waiting until an expensive loss
News Aug 15, 2018 Joshua Freedman
GIA 150
GIA to Hold Synthetics Detection Seminars
The Gemological Institute of America (GIA) will offer a series of seminars this year on advanced detection of lab-grown stones.
News Jun 06, 2018 Rapaport News
GIA 150
GIA Spots Treatment Fraud with 6ct. Polished
The Gemological Institute of America (GIA) has uncovered a treated diamond carrying a false inscription that fraudsters had
News May 30, 2018 Rapaport News
IIDGR
Labs Refute Claims HPHT Escaping Detection
Major gemological laboratories have rebuffed claims that detection machines are failing to spot synthetic diamonds that
News Apr 25, 2018 Leah Meirovich
GIA synthetic inscription forgery
GIA Finds Synthetic Diamond with Forged Inscription
Fraudsters forged a Gemological Institute of America (GIA) inscription on a synthetic diamond to make it appear that the stone was
News Nov 13, 2017 Rapaport News
De Beers IIDGR synthetics equipment
De Beers to Launch Synthetics Checker
The International Institute of Diamond Grading & Research (IIDGR) will unveil its latest synthetics detection equipment
News Sep 01, 2016 Rapaport News
GIA New
GIA Grades Largest HPHT Synthetic Diamond to Date
The Gemological Institute of America (GIA) announced it graded the largest faceted blue synthetic diamond ever examined
News Feb 25, 2016 Rapaport News
synthetic
New Synthetic Detector to Be Shown at HK September Show: Quick Take
Diamond Services developed a new mini Raman spectrometer that it says is able to detect synthetic and color-treated diamonds
News Jul 22, 2015 Ronen Shnidman
synthetic
HRD Discovers Hard-to-Detect Synthetic Rough Diamonds: Quick Take
Producers are now able to create synthetic rough diamonds in shapes identical to natural rough diamonds, HRD Antwerp
News Jul 13, 2015 Rapaport News
HPHT-Processed, emerald cut, 13ct, D, VVS2
The HPHT Natural Diamond Opportunity
Manufacturers and distributors of High Pressure High Temperature (HPHT) processed natural diamonds are claiming an opportunity for
Analysis May 30, 2014 Avi Krawitz
cibjo
CIBJO Congress Attendees Address Synthetic Diamonds
The topic of synthetic diamonds dominated the first day of discussions at the CIBJO congress in Moscow. The three-day
News May 19, 2014 Anastasia Serdykova
suncrest
Suncrest Captures Pantone Color of the Year: Radiant Orchid Diamonds
Press Release: Suncrest Diamonds, the creator of the first and only collection of beautiful pink, yellow and
Press Release Mar 26, 2014 Suncrest Diamonds
synthetic
New Generation of Synthetic Blue Diamonds Reach the Market
Press Release: A distinctly new type of synthetic blue diamond from 0.25-carat to over 1.25 carats turned up in both
Press Release Nov 14, 2013 CGL - GRS Gemlabs
Previous 1 Next
Show articles per page
Weekly Market Comment

Diamond market quiet over Jewish holidays. Slight improvement in India

Rapaport Reports

No articles found
MOST VIEWED
© Copyright 1978-2019 by Martin Rapaport. All rights reserved. Index®, RapNet®, Rapaport®, PriceGrid™, Diamonds.Net™, and JNS®; are TradeMarks of Martin Rapaport.
While the information presented is from sources we believe reliable, we do not guarantee the accuracy or validity of any information presented by Rapaport or the views expressed by users of our internet service.