Professional Gemstone Pricing Guide 2025

Comprehensive gemstone pricing database with current market values for precious and semi-precious stones. Professional grading criteria, quality assessment tools, and pricing calculators for jewelry makers, collectors, and gem dealers worldwide.

Calculate Gem ValuesCurrent Market Data • Professional Grading • Expert Analysis

Precious Gemstone Market Overview

Current market values based on GIA standards and international gemstone markets. Prices vary significantly with quality grades.

Diamonds

💎
1ct D/VVS1$15,000
1ct G/VS1$7,500
1ct J/SI1$4,200
Per carat, round brilliant cut

Rubies

🔴
Burma, Pigeon Blood$25,000
Thai, High Quality$3,500
Commercial Grade$800
Per carat, untreated

Emeralds

🟢
Colombian AAA$18,000
Brazilian AA$2,800
Zambian A$1,200
Per carat, oil treated

Sapphires

🔵
Kashmir Blue$35,000
Ceylon Blue$4,500
Australian Blue$900
Per carat, unheated

Semi-Precious Stone Pricing

Popular Varieties

Amethyst (fine)$50-200/ct
Citrine (natural)$25-150/ct
Garnet (tsavorite)$300-2,000/ct
Peridot (fine)$80-450/ct
Tourmaline (pink)$100-1,000/ct

Rare Varieties

Tanzanite (AAA)$600-1,500/ct
Paraiba Tourmaline$3,000-20,000/ct
Padparadscha$2,000-8,000/ct
Spinel (red)$800-3,000/ct
Alexandrite$5,000-15,000/ct

Organic Gems

Pearl (Akoya 8mm)$300-1,500
Pearl (South Sea)$1,000-5,000
Coral (red)$50-500/ct
Amber (Baltic)$20-200/ct
Jet (genuine)$10-100/ct

Professional Grading Criteria

The Four C's (Diamonds)

Color Grade Impact

  • • D-F (Colorless): Premium pricing +50-100%
  • • G-J (Near Colorless): Standard market range
  • • K-M (Faint Yellow): Discount -30-50%

Clarity Grade Impact

  • • FL-VVS2: Premium +30-80%
  • • VS1-VS2: Standard market pricing
  • • SI1-SI2: Discount -20-40%

Colored Stone Factors

Origin Premium

  • • Burma rubies: +300-500% premium
  • • Colombian emeralds: +200-400% premium
  • • Kashmir sapphires: +500-1000% premium

Treatment Impact

  • • Unheated: Premium +50-200%
  • • Heat treated: Standard pricing
  • • Filled/Enhanced: Discount -50-80%

Current Market Trends

Price Trends (YTD)

Diamonds-8.5%
Emeralds+12.3%
Rubies+15.7%
Sapphires+6.2%
Tanzanite+22.1%

Market Drivers

  • • Asian demand growth (+18%)
  • • Mine depletion concerns
  • • Investment grade gem interest
  • • Sustainable sourcing premium
  • • Lab-grown competition impact

Investment Outlook

Strong

Rare colored stones, untreated gems

Moderate

Premium diamonds, certified gems

Cautious

Commercial grade, treated stones

Certification & Authentication

GIA

GIA Certification

Gold standard for diamond grading and identification

AGL

AGL Reports

American Gem Lab, specialist in colored stones

SSEF

SSEF Analysis

Swiss lab, premium for rare gemstones

C.DIFF

C.DIFF Testing

Swiss lab for origin determination

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Pricing Disclaimer

Gemstone prices vary significantly based on quality, origin, treatment, size, and market conditions. Prices shown are approximate retail ranges for reference purposes. Actual values depend on detailed gemological analysis and current market demand. Always obtain professional appraisals for insurance or investment purposes.

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