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Exclusive Beauty

LUMOS by ZCOVA Diamonds are currently available in Round shapes. Browse our selection of LUMOS by ZCOVA Diamonds or contact our Curators for expert advice on choosing your diamond!

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Dual-Certified Diamonds With 'Ultimate' Light Performances

For decades, Triple Excellent (3EX) has been known as the industry standard but LUMOS by ZCOVA Diamonds takes it to the next level. In addition to Excellent Cut, Symmetry, and Polish, it also achieves the 'Ultimate' grade in Light Performance in order to qualify as a LUMOS by ZCOVA Diamond.

This distinct combination of exceptional quality and superior brilliance, a grade referred to as ‘super ideal cut diamond’ in the market comes at no extra charge.

Only 1 in a thousand diamonds make the cut to become LUMOS by ZCOVA Diamonds - make this rare beauty exclusively yours.

Beyond The 4Cs

While the 4Cs (carat, cut, colour, and clarity) have traditionally been used to evaluate diamond quality, Light Performance adds a new dimension to diamond grading standards. The way a diamond reflects and refracts light is what makes it sparkle and shine, and this can only be accurately measured through advanced technology such as Sarine's imaging.

Dual Certificates

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All LUMOS by ZCOVA Diamonds are GIA-certified and then analysed by Sarine to scientifically evaluate the diamond’s Light Performance, ensuring that each diamond is of the highest quality.

4 Light Measurements

Sarine measures and grades each diamond according to 4 parameters: Brilliance, Fire, Sparkle and Light Symmetry. These make up a diamond's Light Performance and beauty.

'Ultimate' Light Performance Grade

While most diamonds in the market can achieve Classic or Premium Total Grade, only the rarest diamonds have the 'Ultimate' light beauty and are selected to be LUMOS by ZCOVA Diamonds, representing the pinnacle of certified diamond rings and jewellery.

A dual-certified diamond has been evaluated by two independent authorities in gemology, ensuring a comprehensive assessment of its quality.

The Gemological Institute of America (GIA) and Sarine Technologies both contribute their expertise, with GIA focusing on the traditional 4Cs: Carat weight, Colour, Clarity, and Cut, and Sarine providing advanced analysis of the diamond's Light Performance.

LUMOS diamonds come with dual certification which helps ensure that the diamond you purchase is accurately represented and valued according to international standards. It is a mark of assurance for the buyer that the diamond's quality is as stated by the seller.

Certified diamonds, such as those from LUMOS by ZCOVA, have undergone a thorough diamond certification process by independent laboratories, such as the GIA and Sarine, to establish their quality based on critical factors including carat weight, colour, clarity, and cut.

Opting for certified diamonds, which come with a detailed diamond grading report, provides a clear understanding of what you are purchasing.

In contrast, non-certified diamonds have not been subjected to this level of scrutiny, making their true value and characteristics less certain.

Each LUMOS Diamond is accompanied by a dual certification, which includes a GIA and Sarine report, the hallmarks of diamond authenticity in this industry.

To verify your diamond's certifications, simply enter the unique report number on GIA's or Sarine’s official websites. This step ensures that the LUMOS Diamond's authenticity is beyond question.

Light Performance is an added measure of a diamond's excellence, reflecting how well it interacts with light to create brilliance, fire, sparkle and light symmetry.

Sarine's cutting-edge imaging technology offers a scientific approach to evaluating these qualities, adding a new dimension to the traditional 4Cs of diamond quality.

LUMOS by ZCOVA Diamonds are selected for their exceptional quality, not only achieving the coveted GIA Triple Excellent rating but also the esteemed 'Ultimate' grade in Light Performance from Sarine.

This rigorous dual-certification process ensures that LUMOS Diamonds are among the finest in certified diamond quality.

Yes, Sarine's Light Performance grading is acknowledged worldwide and is considered a reliable and objective measure of a diamond's visual beauty.

Opting for a Sarine and GIA-certified diamond ring is a decision that offers the utmost confidence in your investment.

The rigorous dual certification processes are globally recognised benchmarks for diamond quality, offering peace of mind and confidence that your chosen diamond is as authentic as it is exquisite, with no extra cost.

To maintain the elegance of your certified diamond ring, follow proper care and maintenance, such as frequent cleaning, avoiding exposure to abrasive or harsh chemicals, and mindful storage are essential to maintaining the pristine condition and radiant sparkle of your treasured piece.

No, ZCOVA provides the dual certification of LUMOS Diamonds at no extra charge. This means you get an extensively assessed diamond with both GIA and Sarine certifications included in the standard price.

ZCOVA has a return policy in place. For details on the conditions and process, you refer to our Return Policy page or contact us for personalised information.