About Mira Gems

Our metric is microns. Our medium is pure carbon.

Mira Gems operates at the intersection of advanced material science and luxury lapidary craft. We serve international wholesalers and jewelry houses who demand precision, ethical compliance, and structural excellence.

Est. 2013Founded in Surat, India
Type IIaCVD purity classification
120,000+Carats produced / year
40+Export markets served

Physics vs. Geology

Why we grow CVD diamonds.

Unlike High-Pressure High-Temperature (HPHT) methods, which often use metal catalysts that leave magnetic metallic inclusions inside the crystal, Mira Gems exclusively uses Chemical Vapor Deposition.

Inside our reactors, methane gas is ionized by high-frequency microwave fields, and free carbon atoms attach in a pure tetrahedral lattice on a diamond seed. By eliminating metal catalysts entirely, our output achieves absolute chemical cleanliness — Type IIa purity, the top 2% of diamonds found globally.

Reactor specifications

Chamber temperature
850 - 1000 °C
Plasma excitation
2.45 GHz microwave source
Carbon source gas
Ultra-pure methane · 99.9999%
Growth velocity
Atom-by-atom · ~15 µm / hour
Power grid origin
100% renewable solar array

Established Tradition

A journey to scale, on the record.

  1. 2013

    Laboratory genesis

    Third-generation diamantaires established Mira Gems' first CVD research lab in Surat, partnering with material scientists to construct high-vacuum microwave plasma chambers.

  2. 2016

    The flawless carat

    Grew our first continuous 1-carat raw crystal with zero internal nitrogen blemishes, and brought faceting and polishing in-house.

  3. 2019

    Renewable decoupling

    Acquired a dedicated solar photovoltaic farm and transitioned 100% of reactor power load to solar electricity, securing carbon-neutral production.

  4. 2022

    Global logistics hubs

    Incorporated sales and logistics offices in Antwerp, New York, and Hong Kong, enabling secured global shipping and direct customs-clearance support.

Traceability Matrix

From reactor seed to polished gem.

We maintain absolute, audited custody records at every milestone of the manufacturing chain — the documentation a compliance officer can verify.

  1. 01

    Seeding

    Diamond seed preparation

    Pure Type IIa diamond seeds are selected and logged with dimension and crystal-orientation specs before any growth begins.

  2. 02

    Growing

    CVD reactor cycle

    Atom-by-atom crystallization inside solar-powered chambers, with growth duration and pressure telemetry recorded per batch.

  3. 03

    Planning

    3D laser mapping

    Each rough is mapped by computerized 3D laser scanners to plot optimal facet configurations and exclude stress boundaries.

  4. 04

    Crafting

    Lapidary faceting

    Laser cutting shapes the rough, followed by manual polishing on high-precision friction wheels by veteran artisans.

  5. 05

    Auditing

    Grading & inscription

    Stones are graded by IGI or GIA and girdle-inscribed with a microscopic registry number matching our digital ledger.

Executive Stewardship

The team accountable for every parcel.

Siddharth Mehta, Founder & CEO

Founder & CEO

Siddharth Mehta

Over 25 years of diamond trading experience. Established Mira Gems to marry Indian lapidary heritage with clean, scalable laboratory science.

Dr. Arjan Mehta, Chief Science Officer

Chief Science Officer

Dr. Arjan Mehta

PhD in Plasma Physics from IISc. Oversees growth-chamber recipes, microwave configuration, and vacuum-chamber thermodynamics.

Alan Rostova, Dir. of Quality Assurance

Dir. of Quality Assurance

Alan Rostova

Formerly a senior grader at IGI Antwerp. Manages grading compliance, girdle micro-engraving workflows, and catalog synchronization.

Partner With Us

Partner with an audited global pipeline.

Let our compliance officers walk your sourcing team through our carbon audits, labor certifications, and calibrated sorting specifications.

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