" There is more to GIA than its 71 years of groundbreaking gemological research and education. More than the Institute's dedicated team of over 800 professionals. More than its nonprofit status.
GIA's Active Ingredients Look beyond the world renowned reputation of GIA's Diamond Grading Reports... ...beyond the credibility and prestige imparted by its diploma programs... ...beyond the countless discoveries of its distinguished scientists and researchers... ...and what you're left with are the active ingredients in each of GIA's products and services: knowledge, integrity, credibility, and authority. ..." more

" Established in Antwerp, New York, Bangkok, Mumbai and Tokyo, IGI has now developed into the largest independent gem certification and appraisal institute renowned for its quality services, extensive experience and know-how. IGI, the oldest institute of its kind in Antwerp, was set up in 1975 and along with its sister laboratory in New York, is one of the leading gemological institutions in the world." more

" PriceScope is the first and only free diamond searching service where you can instantly compare diamond prices for equivalent stones among numerous diamond and gemstone vendors around the world!
PriceScope pioneered the diamond price comparison concept with the introduction of its online price comparison engine in February of 2000. PriceScope does not sell diamonds, so the information found here is unbiased. PriceScope is run by consumers for consumers with the advice of industry experts. Consumers will find excellent education and exclusive, cutting-edge shopping tools here, but no sales pitches.
PriceScope collects diamond price data available in open sources and provided by diamond dealers who wish to advertise their prices in real time. Our search engine allows consumers to find the best prices and save a great deal of money. At the same time, dealers with competitive prices can find their customers faster. " ... more

" EGL USA is one of the world's premier independent gemological laboratories. For over 25 years it has offered the fine jewelry trade and consumers accurate, reliable gemstone identification and professional certification to validate their gemstone purchases. The EGL USA Group is comprised of four North American labs that have built a reputation for:
- Exceptional, innovative service... " more

" The AGTA Gemological Testing Center is the natural colored gemstone industry’s premier independent laboratory providing the industry and the public with a complete range of services, including gemstone identification, origin determination and pearl identification. The laboratory, located in New York City, is equipped with the latest, technologically advanced, investigative equipment..." more

" H. R. D. : " Hoge Raad voor Diamant (HRD, Diamond High Council) In 1973, a non-profit organization was founded to coordinate and optimize all activities on behalf of the diamond business. The organization was named Hoge Raad voor Diamant (HRD, Diamond High Council). The Diamond High Council is the officially recognized representative of the Belgian diamond trade and industry... " more

" Tacy Ltd. operates within a dynamic fast changing environment. The traditionally rather small and secretive diamond community, once concentrated in a few producing and processing countries, has gradually evolved into a fiercely competitive and powerful business, spread-out around the globe. As a high value natural resource, ultimately destined for end-use in luxury-goods consumer market, claims for an ever-larger share in the value chain are made by every part of the pipeline, ranging from producer governments to the retailer. Ambitious governmental aspirations and policies in mining countries, differing corporate strategies among large and small producers, contradicting interests of traditional versus low-labor cost manufacturing centers, vastly changing structural shifts in both processing and marketing areas, increasing reliance on banking and suppliers’ financing, changing production technologies and educated discerning consumerism, all profoundly influence the business of every actor involved in the diamond pipeline. ... " more