Welcome to Judith Capital, a discreet office for luxury assets.

We specialize in loose diamonds, market analytics, and exclusive gold bullion, supported by AI and advanced in-house testing.

Welcome to Judith Capital,
a discreet office for luxury assets.
We specialize in loose diamonds, market analytics, and exclusive gold bullion, supported by AI and advanced in-house testing.

Discreet Diamond-Trading
Enclave in Henderson, Nevada

Discreet Diamond-Trading
Enclave in Henderson, NV

10 Minutes from Henderson Executive Airport

10 Minutes from
Henderson Executive Airport

Our office offers the exclusivity and privacy of a pied-à-terre, but with a cool, understated ambiance. Nestled within a larger office building, much like the exclusive spaces found in the New York Diamond District, this space is both a private showroom and laboratory. The decor is modern and understated, with state-of-the-art testing equipment seamlessly integrated into the design.

We operate by appointment only and kindly ask that you call ahead. For your convenience, we are available for discreet transactions at Henderson Executive Airport, including aboard your jet, with prior arrangement. Confidentiality is always maintained, and we execute NDAs upon request for additional assurance.

Prefer online? Instantly shop lab-grown diamonds, or join our Buyers Club for wholesale market data, natural diamond sourcing, and concierge-level brokerage services.

Premier Diamond and Bullion Analysis

We proudly use the best diagnostic equipment in the world

SCIAPS XRF • OGI SYSTEMS DIATRUE • SIGMA METALYTICS • METTLER TOLEDO

We proudly use the best diagnostic equipment in the world

SCIAPS XRF • OGI SYSTEMS DIATRUE
SIGMA METALYTICS • METTLER TOLEDO

Visual assessment for determining authenticity of jewelry, diamonds, and bullion.
Visual
Magnetic testing to detect counterfeit metals in gold, silver, and platinum items.
Magnetic
Electrical testing to analyze the authenticity of metals, including gold and silver.
Electrical
X-ray testing for precise analysis of gold, platinum, and silver materials.
X-Ray
Density testing to verify the authenticity of precious metals like gold and silver, as well as diamonds in specialized cases.
Density
Ultrasound testing for bullion analysis to verify gold and silver content.
Ultrasound
Thermal testing for identifying authentic diamonds by their heat conductivity.
Thermal
UV fluorescence testing to differentiate between earth-mined diamonds and lab-grown diamonds.
Ultraviolet
Visual assessment for determining authenticity of jewelry, diamonds, and bullion.
Visual
Magnetic testing to detect counterfeit metals in gold, silver, and platinum items.
Magnetic
Electrical testing to analyze the authenticity of metals, including gold and silver.
Electrical
X-ray testing for precise analysis of gold, platinum, and silver materials.
X-Ray
Density testing to verify the authenticity of precious metals like gold and silver, as well as diamonds in specialized cases.
Density
Ultrasound testing for bullion analysis to verify gold and silver content.
Ultrasound
Thermal testing for identifying authentic diamonds by their heat conductivity.
Thermal
UV fluorescence testing to differentiate between earth-mined diamonds and lab-grown diamonds.
Ultraviolet
Our laboratory specializes in advanced testing of diamonds and gold bullion. We authenticate diamonds with precision, distinguishing between natural and lab-grown. Using state-of-the-art X-ray, electrical, density, and ultrasound testing, we detect gold plating, counterfeit metals, and analyze the elemental composition of bullion, ensuring absolute confidence in authenticity.

With a comprehensive suite of cutting-edge testing technologies, Judith Capital stands among the most capable laboratories in the world, delivering unmatched precision in diamond and bullion verification.

Loose diamonds and tweezers, representing Judith Capital's selection of certified diamonds.
Gold bullion bars, symbolizing Judith Capital's offerings in precious metals.