Working Gallery
A Visual Record of Pieces Examined
Selected jewellery pieces handled through DGJV alongside imagery of our portable G.I.A. gem laboratory and lab workflow.
Jewellery Portfolio Highlights
Examples of completed pieces assessed and documented through DGJV.
Featured Showcase Pieces
Reference pieces and standout stones we have worked with and documented over the years.
16 Carat Burmese Ruby
Sold for US $14.16 million in 2016. A reference example of the calibre of stones DGJV has examined.
Sapphire and Diamond Suite
A natural blue sapphire ring shown alongside a diamond cluster necklace from a private collection.
On Site With DGJV
Our Portable G.I.A. Gem Laboratory
Our portable G.I.A. gem lab travels directly to our clients’ shop premises for on-site grading. The full optical and electronic toolkit goes where the stock is — with no transit risk and no waiting.
Lab Technician at Work
Our lab technician examining Burmese Ruby and Sapphire, and grading diamonds.
Portable Lab — Travel Case
Our portable G.I.A. Gem lab travels to our clients’ shop premises for on-site grading.
Portable Lab — Equipment
Inside the case: microscope, refractometer, polariscope, dichroscope and supporting tools.
Watch Us Work
Workflow images from real grading sessions: microscope, loupe, electronic testers, fluorescence checks and more.
Need Specific Portfolio Examples?
If your team requires category-specific examples, share the request and DGJV will curate a matched pack.
Working gallery updates are reviewed periodically as new completed pieces are documented.
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