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AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand

The AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X offers 7X-45X magnification, a 4-inch working distance, and dual lighting for gem analysis. Priced at $1895.99, it's ideal for professional jewelers verifying authenticity and inspecting diamond clarity with precision optics.

$1895.99

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Key features

  • 7X-45X zoom magnification
  • 4-inch working distance
  • Dual illumination system
  • Rotatable darkfield stage
  • 3D gem clamp included
  • Trinocular head for imaging
  • ISO 9001:2000 compliant

Pros

  • +High-resolution stereo imaging
  • +Excellent for gem authenticity checks
  • +Dual lighting enhances detail
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Cons

  • Higher price than entry models
  • Bulky base setup

About AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand

What is AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand?

The AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand is a professional-grade instrument engineered for gemologists and jewelers requiring high-precision stereo imaging. With a 7X-45X zoom range and a 4-inch (100mm) working distance, it enables detailed, non-contact inspection of gemstones and fine jewelry. The trinocular head supports camera attachment for documentation and analysis, making it suitable for lab environments and appraisal settings. Built on a track stand with an adjustable arm, it provides stable, flexible positioning for prolonged use.

Key features

  • 7X-45X Zoom Magnification — Super widefield optics deliver sharp, high-resolution images across a 6.7:1 zoom range.
  • Dual Illumination System — 30W darkfield halogen base light and 7W fluorescent gooseneck incident light enhance surface and internal detail.
  • Rotatable Darkfield Stage — 360-degree rotating stage with darkfield iris condenser and graduations for precise sample alignment.
  • 3D Gem Clamp — Securely holds irregularly shaped stones without damage during examination.
  • Trinocular Viewing Head — Enables simultaneous visual observation and digital capture via camera attachment.
  • ISO 9001:2000 Compliant — Manufactured under strict quality control standards for reliability and consistency.
  • 4-inch Working Distance — Allows ample space for manipulating tools or clamps around the specimen.

Who is AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand for?

This microscope serves professional jewelers, gemologists, and diamond graders who require accurate differentiation between natural, synthetic, and treated stones. Its ergonomic design and high-resolution imaging support long-duration inspection tasks, such as clarity grading, inclusion mapping, and authenticity verification. It is also suitable for forensic labs and precision manufacturing where detailed surface and subsurface analysis is critical.

How does AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand compare?

Compared to standard stereo microscopes, the GM400 offers superior magnification range and working distance tailored for gemology. Its integrated darkfield transmitted light and dedicated gem clamp surpass general-purpose models. While more expensive than basic binocular units, it competes favorably with professional gem scopes in optical performance and build quality, offering a complete solution without requiring additional accessories.

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Best use cases

  • Gemstone authenticity verification
  • Diamond clarity and inclusion analysis
  • Jewelry inspection and grading
  • Forensic gem material examination
  • Precision manufacturing QC
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Is AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand right for you?

The AmScope GM400 is best for professional jewelers, gemologists, or lab technicians needing high-magnification stereo analysis. It suits advanced users requiring precise optics and dual lighting. Beginners may find it complex; consider simpler models if budget or skill level is limited. Alternatives include basic stereo microscopes, but they lack gem-specific features.

How it compares: Compared to standard stereo microscopes, the GM400 offers superior zoom range, working distance, and gem-specific accessories. It outperforms entry-level models in optical clarity and illumination control, matching higher-end gemology scopes at a competitive price point.

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Frequently Asked Questions

What magnification does the AmScope GM400 offer?

The AmScope GM400 provides a 7X-45X zoom magnification range with super widefield optics, enabling detailed inspection of gemstones and fine jewelry features across multiple scales.

Does the microscope include lighting?

Yes, it includes a 30W darkfield halogen base light and a 7W fluorescent gooseneck incident light for comprehensive transmitted and surface illumination.

How does the darkfield stage work?

The rotatable round stage has a built-in darkfield iris condenser that directs light at an angle, enhancing internal flaws and inclusions in transparent gems.

Is the trinocular head compatible with cameras?

Yes, the trinocular port allows direct attachment of a microscope camera for capturing or streaming high-resolution images during gem analysis.

Can the GM400 be used for diamond grading?

Yes, its 4-inch working distance, high-resolution optics, and darkfield illumination make it ideal for assessing diamond clarity, inclusions, and authenticity.

How much does AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand cost?

AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand is $1895.99 at AmScope. Prices may change — click through to AmScope for the latest.

Is AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand in stock at AmScope?

Yes, AmScope GM400 Series Advanced Jewel Gem Zoom Trinocular Stereo Microscope 7X-45X Magnification on Track Stand is currently in stock at AmScope.

Are there coupon codes for AmScope?

Yes — Love Those Deals currently tracks 4 active AmScope coupons. See the coupons section on this page to copy a code before checkout.

Specifications

Category
Stereo Microscope
SKU
43742120476847
Last updated Jun 8, 2026