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SP3 Technologies LLP

  • Booth: I2028

Indian Pioneer in Lab-Grown Diamonds & Diamond Wafer.

Overview

SP3 Technologies LLP: Leading Lab Grown Diamond Manufacturer in India, Advanced Microwave Plasma CVD Systems, and Semiconductor Materials

Established in 2016, SP3 Technologies LLP is a pioneering Indian company specializing in the advanced manufacturing of Lab Grown Diamonds and Diamond Wafers. Our experienced team has positioned SP3 as a leading source for ethically produced and technologically superior diamond solutions.

Our core focus is the production of high-quality Lab Grown Diamonds for diverse applications, including fine jewelry and high-performance Diamond Wafers. Through substantial investment in Research & Development and leveraging our advanced Microwave Plasma CVD systems, SP3 Technologies is dedicated to delivering consistent quality, short lead times, and competitive pricing for our Lab Grown Diamonds and Wafers.

By combining our expertise in CVD technology and semiconductor materials, SP3 Technologies LLP continuously drives innovation within the Lab Grown Diamond and Wafer industry, providing advanced solutions for gemological and industrial applications


  Press Releases

  • MUMBAI: International Gemological Institute (IGI) has analyzed and graded a 75.33 carat square-emerald cut lab grown diamond, the world’s largest to date, along with a unique 30.69 carat ring-shaped diamond, said to be crafted from a single crystal grown rough stone with Chemical Vapor Deposition (CVD). Named the "Celebration of India" and "Infinity Ring,". Read Article
  • 03rd, June 2023

    IGI has certified a 50.25 carat specimen measuring 22.95 x 18.45 x 11.57 millimeters - the first lab grown diamond to surpass the significant "half-century" mark in carat weight. Submitted to IGI by Ethereal Green Diamond LLP , this gemstone represents a landmark achievement in the lab grown diamond sector Named "Shiphra," the 50.25 carat lab grown diamond is a Tyle lla emerald cut with G color, VS2 clarity, and Excellent cut, polish, and symmetry. The crystal from which it was polished was grown over a period of eight weeks using Chemical Vapor Deposition (CVD). IGI PressRoom

  • 03rd, May 2023

    Chemical vapor deposition (CVD) growth technology has advanced significantly over the last two decades. In this study, we report on the largest CVD gem diamond GIA has encountered , recently tested in the Hong Kong laboratory. This emerald-cut diamond weighed 34.59 carat, measuring 24.94 × 13.95 × 9.39 mm (figure 1), produced by Ethereal Green Diamond in India. It had G color and VS2 clarity. GIA PressRoom


  Products

  • Single Crystal Diamonds
    SP3 Technologies LLP offers high-quality lab grown diamonds, identical to mined ones. Ideal for jewelry, semiconductors, optics, thermal management, and tools. Explore various cuts. Invest in the future with SP3’s lab created diamonds....

  • A single crystalline diamond is a diamond structure composed of a continuous, unbroken crystal lattice, where all the carbon atoms are arranged in a uniform, repeating pattern. Known for its superior clarity, strength, and brilliance, it is highly sought after in industrial applications and fine jewelry.

    Different dimensions are available upon request.

  • Optical Grade Polycrystalline Diamond Wafer
    Optical grade polycrystalline diamond wafer offers superior mechanical, thermal, and optical properties. Made from dense diamond grains, it’s ideal for high-performance and demanding optical system applications....

  • Optical grade polycrystalline diamond Wafer is a high-performance material used primarily for optical applications due to its unique properties. It is made by synthesizing diamond grains into a dense, polycrystalline structure. This process results in a material with superior mechanical, thermal, and optical characteristics, making it ideal for demanding optical systems.

    We can customize Optical Grade polycrystalline (or spliced) diamonds of different sizes, specifications, and shapes.

  • Thermal Grade Polycrystalline Diamond Wafer
    Thermal grade polycrystalline diamond wafer excels in heat transfer with outstanding thermal conductivity. Optimized for high-heat applications, it differs from optical-grade PCD by focusing on thermal performance over transparency....

  • Thermal grade polycrystalline diamond wafer is a type of polycrystalline diamond that is specifically optimized for its exceptional thermal conductivity properties. Unlike optical-grade PCD, which focuses on optical transparency and performance, thermal-grade PCD prioritizes the efficient transfer of heat, making it a valuable material in high-heat applications.

    We can customize Thermal Grade polycrystalline (or spliced) diamonds of different sizes, specifications, and shapes

  • Diamond Dome
    SP3’s ultra-thin CVD diamond domes offer extreme stiffness (~1,200 GPa) and thermal conductivity for distortion-free motion beyond 40 kHz. Customizable for 5–160 mm coils, ideal for premium speakers, studio monitors, and luxury automotive audio....

  • We produce ultra-thin, lightweight domes with extreme stiffness (Young’s modulus ~1,200 GPa) and high thermal conductivity, enabling pistonic motion up to and beyond 40 kHz with minimal breakup or distortion. Our domes are grown on precision substrates, chemically etched to form free-standing diaphragms, and customized for 5mm–160 mm voice coil assemblies. Ideal for high-end loudspeakers, studio monitors, and luxury automotive systems, SP3’s CVD diamond domes redefine high-frequency transducer performance with unmatched material science and acoustic engineering. Explore the synergy between our cutting-edge diamond dome technology and our capabilities in producing high-performance diamond wafers for various demanding applications.

    We can customize Diamond Dome of different sizes, specifications and shape as per requirement.

  • Tool Blanks Single Crystalline Diamond
    SP3-2P-1, SP3-2P-2, SP3-T2P, SP3-4P-1, SP3-4P-2, SP3-LONG, SP3-CIRCLE, SP3-CONVEX, SP3-TRIANGLE, SP3-PLANO CONCAVE, SP3-QUARTER...

  • Different dimensions are available upon request.

  • Solid State Microwave Generator
    SSPA...

  • Tech: Semiconductor transistors (GaN/LDMOS) for precise
    microwave generation.
    Frequency: Adjustable, narrow bandwidth (<0.1 MHz),
    tunable (2.4–2.5 GHz or 900–930 MHz).
    Power: 500–2000 W/unit, scalable, precise control (<0.1%
    accuracy).
    Efficiency: Up to 70%, optimized for variable loads.
    Lifespan: 50,000–500,000 hours, low maintenance.
    Size: Compact, lightweight for portability.
    Cost: Higher upfront, lower long-term due to savings.
    Heating: Uniform via frequency sweeping, no hot/cold
    spots.
    Safety: Low voltage (30–50 V), minimal noise.
    We can customize Solid State Microwave Generator of
    different specifications.