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Opsydia Technology Advances to Secure Identity of Melee Diamonds

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Opsydia is known globally as a top diamond security firm for its extremely powerful sub-surface laser technology that brings about a great degree of security when it comes to luxury jewelry items. Its breakthroughs enable a wide range of sectors to embed nearly invisible structures, or IDs, into transparent materials without compromising their integrity or changing their surface. It is a spin-off company from the University of Oxford that specializes in establishing high-volume industrial processes for practical applications based on cutting-edge research.

The firm continues to come up with fantastic ideas after developing cutting-edge academic research and establishing high-volume industrial processes for commercial applications. It is able to accomplish this feat via using scientific instruments, thanks to the manufacturing expertise of its executive and technical teams that leave no stone unturned in sticking to its goals.

Opsydia has been featured by prominent agencies, such as Rapaport, Gems & Jewellery (Gem-A), and Facette magazine (SSEF), in their publications, thereby recognizing their groundbreaking innovations. One example is embedding permanent IDs in melee diamonds without changing their surface polish. In the said process, an alphanumeric sequence, coded form, or logo—as tiny as 0.5 millimetres in diameter—is embedded beneath the surface of diamonds to establish a physical link to a supply chain record or branded jewellery origin.

It is seen as a big step forward for manufacturers seeking an innovative and forward-thinking method to protect their supply chain and defend against unknown synthetics. “The natural diamond trade has additional options to safeguard the identity of its goods and leverage sub-surface characteristics to build ‘fail safes’ inside its supply chain,” says Andrew Rimmer, CEO of Opsydia. He also opined that luxury jewellery firms looking to prevent counterfeiting can consider embedding an identifier in a certain pavé diamond, thus guaranteeing their customers that only pieces with this nano-scale identifying feature are genuine.

How this technology works

The Opsydia System, which is around one meter wide and fits through a conventional doorway, is based on cutting-edge laser technology developed by the University of Oxford. It can implant unique identifying traits in diamonds and processes 50,000 to 100,000 stones each year in an industrial environment. Encryption mechanisms ensure that each Opsydia system may only write approved logos or IDs, avoiding counterfeiting and protecting brand integrity.

Using a high-precision, ultrafast laser, this system embeds logos, alphanumeric sequences, or coded shapes, sometimes known as IDs, beneath the surface of a diamond. Once the laser travels over the diamond’s surface, it becomes extremely concentrated, allowing the identification to be formed just at a certain depth without affecting the diamond’s surface condition or polish. It can be employed in a variety of areas under the diamond’s surface, such as the table or a single facet.

This unique methodology introduced by Opsydia results in resolving some of the fundamental challenges in the natural diamond sector’s, such as:

  • Improving stone security
  • Establishing bold traceability initiatives
  • Protecting against nondisclosure, fraud, and other counterfeiting concerns by adapting its techniques to suit melee and larger diamonds.

The Opsydia System’s precise capabilities enable high-resolution lines of around 1um—0.001mm—in width. Resultantly, it allows readable characters to be generated at smaller sizes than industry-standard surface marking devices. The firm has directed its technology development on supporting the trade by cooperating with the Natural Diamond Council (NDC) on the newest phase of its ASSURE Diamond Verification program.

The ASSURE Program 2.0 evaluates each device’s efficiency in detecting and distinguishing genuine diamonds, laboratory-grown diamonds, and diamond simulants using an “ASSURE Sample” of melee stones, including individual stones less than 1mm in size.

A game-changer in an otherwise largely fraudulent industry

The current industry standard for diamond identification is surface marking the girdle, which may be easily polished away or illegally replicated. Poor diamonds have been tagged with bogus grading report numbers in order to disguise their true nature.

This much-needed invention guarantees that permanent and small identifiers are placed beneath the surface of a diamond, preventing them from being polished away or removed without re-cutting the stone, rendering such attempts uneconomical. To put it another way, it is the next generation of diamond identification that is both secure and impenetrable to tampering.

This ground-breaking method embeds identifiers, or unique identification characteristics, beneath the surface of a diamond without altering its surface or polish. From significant down to melee, identifiers can be incorporated into any size, both at loupe visible and microscopic levels, to:

  • Secure a diamond’s identity
  • Support transparency initiatives
  • Establish a physical link between a specific diamond and its grading report, blockchain record, or branded jewellery origins,

How it can help manufacturers

Every stone in the ASSURE Sample has a unique serial number placed beneath the surface by the firm’s experts. The producers of ASSURE Tested Diamond Verification Instruments can use this technology to figure out which stones have been misinterpreted by their equipment. This vital information, which will soon be made accessible to manufacturers, will aid engineers in improving the effectiveness of their diamond detecting equipment, therefore assisting the diamond trade in its pursuit of appropriate disclosure.

As previously remarked, grading companies may use the Opsydia System to implant a report number beneath the surface of a diamond, providing a physical link between the stone and its report and reducing fraud. It might potentially be positioned as a high-end service for rare stones. The use of IDs in diamonds can aid transparency initiatives, reduce the risk of counterfeiting, and protect the bulk market against laboratory-grown diamond replacement.

The National Diamond Council’s head of External Affairs and Industry Relations expressed great delight while announcing their engagement with the ASSURE Program’s newest phase, especially given the latter’s ongoing commitment to innovation. Producers will have additional information to assist them in spot melee diamonds, laboratory-grown diamonds, and diamond simulants as a result of this discovery. It will also aid future learning, technological advancement, and, most crucially, customer safety.


This innovation promises to make the diamond business less dishonest by forcing producers to straighten their acts in the face of widespread misunderstanding about the genuineness of diamonds. It will also give potential diamond purchasers more confidence while purchasing luxury jewellery items since they would know they are genuine and will endure a long time.


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