Pigeon Blood RubyDove Blood Ruby
The American Gemological Laboratories launched the first colour evaluation report in 1979. Zero numeric colour gamut, subtle ruby with 3.5 on this gamut were awaited to earn top colour finish. However, the problem was that the laboratory criterions for perfect ruby reds favoured a purity-of-reds formulation that did not meet the long-established standard for an excellent ruby-colour.
Rocks with the highest proportion of Primaray reds often performed better than those with secondary colours either purple or amber. Once the markets became aware of the fact that an artifical colour rating system had been applied to them, the certification markets fell and the price of stone with "ideal" colour assessments fell.
Until the end of 1981, $5,000 per karat rocks were fortunate enough to get $500 per ct. Is this still possible today, since more and more jewels are being considered for the most sought-after colour-describing concept in the word, and the ruby masses with rocks that are only "deaf-blood red" in name?
Pigeon blood was reborn in 1998 with Adi Perretti when his Bangkok-based GRS laboratory published a report on aluminium oxide, which extended the suitability of ruby for the coveted term "pigeon blood red" to stone regardless of its place of provenance. "There is no point in disqualifying areas of mine that use a colour sorting system that allows only those with a legacy (e.g. "pigeon blood" that is only given by Myanmar rubies)," Perretti explains on his website.
For many in the industry, Perretti's choice to question the use of ruby from all sources of extraction for a "pigeon blood" colour account is a long-standing preference for Myanmarite. Burma's mythical Mogok ruby has long had a bonus of sourcing. However, in recent years Burma's mysticism has been tarnished by the detection of a second large ruby deposits at Mong Hsu, whose materials are generally of much lower grade.
Meanwhile Mozambique rocks in colour are supposed to compete with Mogok. "A trader asked me if Africa should be punished as a laggard among the vendors of splendid jewels. He believes that such agreement between laboratories will be the next stage in the validation of the common use of "pigeon blood".
Are you gonna do this for Ruby? While Gubelin and SSEF recently declared a single set of standards for stone worthy of the "Pigeon Blood" mark, their standards are far strict. Both of the laboratories in Switzerland limit the concept to unprocessed rocks of Myanmar origins and recognise the concept's historical allusions.
GRS, on the other side, the first and still premier emitter of "pigeon blood" ruby bulletins, relies exclusively on the colour of the stoneware, regardless of its source, and rejects limiting the use of the concept to unprocessed stoneware of any source. There, he acknowledged that the colour of the rock corresponded to the significance of the usual commercial concept of "pigeon blood".
" Out of all the large laboratories, only the AGL does not use the word in its report, referring to the notion of specific, detailled additions that speak for its relevancy to the present cube. To put it in simple words, our concept is to think of "pigeon blood" and concepts like "pigeon blood" that embody the best of their kind in a new way.
Rather than limiting them to general concepts, we suggest limiting them to certain "appeals", as the French have done for most of their wine and cheese since the mid-1930s. It would begin with the conclusion of an inter-national treaty between gemstone laboratories and trading groups on certain geographical areas that have become familiar with the extraction of the best gemstones of a certain group.
In the same way that words such as "champagne" and "bordeaux" relate to certain areas, the right to use these words also includes an obligation to comply with certain manufacturing methods, as well as the use of certain types of vine. Use Ruby. In Burma, the Mogok stoneware wing has been regarded as the highlight of high-quality ruby cultivation for hundreds of years. Rather than using a descriptive concept such as "pigeon blood", perhaps the designation "Mogok top red" could be used for the best rocks from this area.
The independent concept of "champagne" is assumed to belong to France. However, Californian winemakers run the danger of being sued and fined if they dare to use the phrase "champagne" without disclosing their Californian ancestry. Geographic origins have already been purchased for Burma ruby, cashmere sapphires and Columbian emeralds. 2.