Gemological research
GSBH Research Division

Research & Intelligence

Market analysis, origin research, valuation standards, and gemological insight for private collectors, estates, and institutional advisors.

View Publications Request Research Collaboration
Filter

Featured Research

Current Publications

10 articles found
Natural vs. Lab-Grown Diamonds: Market Positioning, Value Retention, and Disclosure Risk
Diamond Science

Natural vs. Lab-Grown Diamonds: Market Positioning, Value Retention, and Disclosure Risk

A practical analysis of how natural and lab-grown diamonds differ across value retention, resale liquidity, insurance documentation, and client disclosure obligations.

GSBH Research DivisionApril 2026 12 min read
Read Article
Understanding Jewelry Valuation: Insurance Value, Fair Market Value, and Liquidation Value
Valuation Standards

Understanding Jewelry Valuation: Insurance Value, Fair Market Value, and Liquidation Value

A clear guide to the different valuation types used in insurance, estate planning, resale, donation, and priva…

10 min read·March 2026
Burmese Ruby Origin and the Role of Provenance in Collector Value
Gemstone Origins

Burmese Ruby Origin and the Role of Provenance in Collector Value

A deep review of why origin, treatment status, color, historical supply, and documentation influence ruby mark…

14 min read·March 2026
Kashmir Sapphire Scarcity and the Premium for Documented Origin
Colored Gemstones

Kashmir Sapphire Scarcity and the Premium for Documented Origin

An overview of scarcity, origin confidence, auction behavior, and the importance of laboratory documentation f…

11 min read·February 2026

Archive

Research Library

Market Intelligence

Gold, Jewelry, and Portable Wealth: Why Private Owners Are Re-Evaluating Hard Assets

8 min readApril 2026
Market Intelligence

Authenticity and Trust in Business: Why Expertise Matters in Jewelry Appraisal

12 min readApril 2026
Valuation Standards

Understanding Provenance and Intrinsic Value: The Louvre Heist and the True Cost of Authenticity

15 min readApril 2026
Estate & Fiduciary

Estate Jewelry Review: What Attorneys, Executors, and Families Should Know

9 min readJanuary 2026
Treatment & Disclosure

Treatment Disclosure in Rubies, Sapphires, Emeralds, and Diamonds

13 min readJanuary 2026
Historical Collections

Signed Jewelry and Historical Collections: Documentation, Attribution, and Market Confidence

10 min readDecember 2025

Research Collaboration

Partner with Our Research Division

GSBH welcomes institutional research partnerships, advisory engagements, and collaboration with attorneys, estates, family offices, and insurers requiring independent gemological intelligence.

Schedule Consultation Contact Research Division