The cover of Gem Spectrum print magazine: Issue #6 Winter 2025-26.
The cover of Gem Spectrum print magazine: Issue #6 Winter 2025-26.

Cover photo

The Floral Necklace by desinger Vitoria Wu of OSI Vitoria Jewelry. This breath-taking necklace is crafted with a 62.67 carat natural emerald as the center stone, and additional 44 carats of emeralds, 124 carats of colored gemstone spinels and sapphires and 10.7 carats of diamonds, total 3,248 stones set in the 18K gold and titanium structure, to capture the sparkling and colorful nature of fireworks.

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Contents

Exclusive Interview

Gaining and Maintaining a Share of the Hearts and Minds of Consumers – an Exclusive Interview with Damien Cody, President of the International Colored Gemstone Association (ICA) — Page 1-4

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Cover Story

One Flower, One World – Vitoria Wu Weaves Nature’s Poetry into OSI Vitoria Jewelry — Page 6-10

Lab & Education

AIGS 2025: A Year of Reunion, Renewal, and Responsibility (+ Inclusion of the Month) — Page 12-16

Provenance Proof and the New Logic of Traceability: Why the Industry Is Moving from Claims to Verification — Page 17-19

Lotus Gemology in 2025 – a Year of Discovery and Discussion — Page 20-23

Advancing Gemstone Color Grading Cabinet: the Development of the LED-Based Gems Color Grading Cabinet by GIT — Page 24-26

Guest Article

A View into Mediterranean Red Coral – by Rui Galopim de Carvalho, FGA DGA — Page 28-31

Trade Show

JGTD 2025 Achieves 15% Surge in Buyer Numbers – International Turnout Soars 55% to Historic High as Dubai Strengthens B2B Sourcing Hub Status — Page 32-34

Vicenzaoro January 2026: a Programme of Events Centred on Jewellery as a System of People, Product and Places — Page 35-37

HKJJA in Vicenzaoro January 2026: Asian Zone – Pure Fine Jewellery Focus — Page 38-39

Fusion of Dazzling Beauty: The HKTDC Twin Jewellery Shows to shine in March 2026 — Page 40-43

The 10th GemGenève Adds a Fresh Dynamic to the Market — Page 44-45

Special Feature

The “Three Lees” from Tengchong: Iconic Figures in Jadeite — The Influence of Lee San Chiek, Lee San Wah, Lee Chang-taik and Families in the Jadeite Industry of Myanmar and Hong Kong China — Page 46-57

Gem Spectrum print magazine: Issue #6 Winter 2025-26 debuting in VicenzaOro January 2026. Gem Spectrum is one of the Media Partners of VicenzaOro.
Gem Spectrum print magazine: Issue #6 Winter 2025-26 debuting in VicenzaOro January 2026. Gem Spectrum is one of the Media Partners of VicenzaOro.

Author

  • Julius Zheng

    1)Founder, Publisher & Editor-in-Chief @ Gem Spectrum print and digital magazine.

    2)China and Asia Expert who has developed many projects to connect the East and the West. Organized 80+ China delegations to America, Europe and Asia. Organized 20+ international gemological courses.

    3)Editor of China Diamond Yearbook by Shanghai Diamond Exchange; Editor of Bangkok Gems & Jewellery print magazine; Correspondent of several important trade magazines.

    4)GIA Graduate Gemologist, AGA Accredited Senior Gemologist, AIGS Graduate

    5) Follow on Instragram; Facebook; LinkedIn.

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