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💎 What’s Driving Today’s Diamond Market?

Join Us June 23 for the AGA 2026 Virtual Conference

Scholarship & Research Grant Applications Are Now Open!

💎 What’s Driving Today’s Diamond Market? Join Us June 23 for the AGA 2026 Virtual Conference

Scholarship & Research Grant Applications Are Now Open

💎 Colors of the Diamond Market – June 23
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Member Directory

Brenda Reichel
, 
GG,ASG,AiSCV, AVS-GJV,AiV,AiSCV-FAV
Accredited Senior Gemologist
Honolulu
, 
HI
United States
Steven Reiner
Accredited Senior Gemologist
Jay Reshamwala
Accredited Senior Gemologist
Carole Richbourg
Accredited Senior Gemologist
Ronald Ringsrud
Accredited Senior Gemologist
Sara Ritchie
, 
GG, ASG, Registered Master Valuer, NAJA Sr Member,
Accredited Senior Gemologist
Frederick
, 
MD
United States
Stuart Robertson
, 
GIA GG, Gem Market Analyst and Independent Appraiser
Accredited Senior Gemologist
Glenview
, 
IL
United States
Cub Root
, 
GG, CG
Accredited Senior Gemologist
Austin
, 
TX
United States
Gary Roskin
, 
GIA GG, FGA
Accredited Senior Gemologist
Exton
, 
PA
United States
Jeremy Rothon
, 
FGA, GIA Diamonds
Accredited Senior Gemologist
Cape Town
, 
WC
South Africa
Arthur Samuels
Accredited Senior Gemologist
Mark Sandler
, 
GG, MGA, Accredited Senior Gemologist
Accredited Senior Gemologist
Jennifer Santi
, 
GG
Accredited Senior Gemologist
Barrington
, 
IL
United States
Alberto Scarani
, 
GG IGI Antwerp
Accredited Senior Gemologist
Houston
, 
TX
United States
Lara Scarberry
, 
G.G. (GIA)
Accredited Senior Gemologist
Robert Schell
Accredited Senior Gemologist
Sindi Schloss
Accredited Senior Gemologist
Patricia Schrag
, 
GG, CG, CIA
Accredited Senior Gemologist
Olympia
, 
WA
United States
Sam Schulman
, 
GG (GIA), Accredited Senior Gemologist (AGA)
Accredited Senior Gemologist
Citrus Heights
, 
CA
United States
Clemens Schwarzinger