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How app 'Appraisal Gems' determines the value of gemstones

The 'Appraisal Gems' mobile app calculates gemstone prices using a comprehensive, multi-source approach, ensuring highly accurate and up-to-date valuations. Our algorithm is powered by data from a vast multitude of sources, including:

Global Market Analysis

Live market data aggregated from
a multitude of open and proprietary sources.

Dealer Network Insights

Direct insights from gemstone dealers,
gathered through ongoing communication and analysis
of their channels, assessing individual pricing strategies.

Scientific & Academic Research

Insights from peer-reviewed studies in gemology,
mineralogy, and market valuation.

Auction Market Tracking

Real-time and historical sales data from
leading global auction houses.

Macroeconomic & Geopolitical Factors

Analysis of how global economic events
and market shifts influence gemstone valuation.

Supply Chain Cost Modeling

Value-tracking analysis across the entire supply chain,
from mine to market.

Proprietary Valuation Metrics

Proprietary algorithms that analyze exclusive,
non-public market data.

Questions and Answers. We answer the questions we are asked most often. Our goal is to explain our service and the factors that determine a gemstone's value in simple, clear terms. Explore common questions