Kehan Li — Jewellery Advisory & Valuation | Independent Specialist, London & Worldwide

Where Expertise Meets Extraordinary

Discreet, expert guidance for discerning collectors, legal professionals, and institutions. From imperial jadeite to the world's rarest coloured diamonds, pearls, and gemstones, every piece deserves the highest standard of care, valuation, and understanding.

Gold, emerald and diamond tiara, antique early 1900s high jewellery

Gold, Emerald & Diamond Tiara, Early 1900s

Natural blue and pink diamond necklace with pear-shaped drop pendant

Natural Blue & Pink Diamond Necklace

Cartier Sapphire Panther Brooch

Jadeite Bangle

Natural Unheated Burmese Ruby Ring

Natural Diamond Ring

Ancient gold oil lamp, Hellenistic period Greece, 4th to 2nd century BC antiquity

Gold Oil Lamp, Ancient Greece, Hellenistic Period (IV–II Centuries BC)

Ancient gold chalice, Hellenistic period Greece, 4th to 2nd century BC antiquity

Gold Chalice, Ancient Greece, Hellenistic Period (IV–II Centuries BC)

Natural blue and pink diamond ring with white diamond surround

Natural Blue & Pink Diamond Ring

Garden series jadeite carving, Qing dynasty China 1800s, with figures and trees

Garden Series Jadeite Carving, China 1800s

Natural Fancy Coloured Diamond Ring

Natural Colombian emerald drop earrings with diamond surround

Natural Colombian Emerald Earrings

Natural Unheated Burmese Sapphire

Natural Pink Diamond Ring

Carved jadeite Guanyin figure, Qing dynasty China 1800s

Jadeite Guanyin, China 1800s

Natural Colombian Emerald Ring

Jadeite blocks and chains, Qing dynasty China 1800s

Jadeite Blocks and Chains, China 1800s

Nephrite jade cup, Ming to Qing dynasty China 1600 to 1700s, with dragon motif

Nephrite Jade Cup, China 1600–1700s

Carved jadeite ruyi sceptre, Qing dynasty China 1800s

Jadeite Ruyi Sceptre, China 1800s

Jadeite zodiac set with twelve carved jade animal figures, Qing dynasty China 1800s

Jadeite Zodiac Set, China 1800s

Jadeite ceremonial ruyi sceptre with gold mounts, Qing dynasty China 1800s

Jadeite Ceremonial Ruyi Sceptre, China 1800s

Services

How we can assist

Valuation

Comprehensive independent valuations for insurance, probate, estate, family division, and open market purposes — grounded in current market intelligence and deep gemmological expertise.

Advisory

Strategic guidance on acquisitions, disposals, private sale, auction advisory, and portfolio development across diamonds, coloured gemstones, jadeite, and high jewellery.

Expert Witness

Authoritative, independent testimony for Civil Court proceedings — including family division, divorce, and dispute resolution — fully compliant with Part 35 of the Civil Procedure Rules, and drawing on decades of specialist knowledge.

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Whether you are considering an acquisition, seeking a valuation, or wish to discuss your collection, all enquiries are handled with the utmost discretion.

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