About Lock Stone

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Welcome to Lock Stone, where innovation, craftsmanship, and a passion for sustainability come together to design exquisite lab-grown diamond jewelry. Since 1972, Lock Stone has been a trusted name in the jewelry world, delivering timeless elegance with a modern, eco-conscious twist.

Our Legacy of Craftsmanship & Innovation

Established in 1992 in Jaipur, India, Lock Stone began as a boutique diamond atelier focused on precision cutting and artisanal craftsmanship. Our commitment to exceptional quality quickly gained recognition, leading to expansions in New Delhi and Ahmedabad by 1995—firmly establishing us as a respected name in the diamond and jewelry industry.

With growing awareness around sustainability and responsible sourcing, we evolved to meet the moment. In 2020, Lock Stone took a bold step forward by embracing lab-grown diamond jewelry. This shift allowed us to fuse innovation with our tradition of craftsmanship, offering elegant and eco-conscious pieces. From dazzling rings to refined necklaces and earrings, every Lock Stone creation reflects our dedication to ethical luxury.

Discover the future of fine jewelry—where luxury meets sustainability

Quality & Craftsmanship you can Trust

At Lock Stone, we don't only make diamond jewelry - we create luxury that reflect our dedication to exceptional craftsmanship and careful attention to every detail. Whether it's a lab grown diamond ring, a beautiful pair of earrings, or a custom designer necklace, our skilled team makes sure that every design we create should be flawless (perfect).

We offer only the finest lab made diamonds, which resemble natural diamonds properties in every way physically, chemically, and aesthetically. This guarantees that our jewelry will shine and lasts as long as the finest natural diamond will.

Our commitment to quality is evident, from choosing the finest materials to the final polish that brings out the diamond’s natural brilliance/sparkle.

Our commitment to sustainability and ethical luxury

We are proud to be a leader in the lab-grown diamond industry, offering an environmental friendly and ethical alternative to mined diamonds. Laboratory grown diamonds are created in a controlled environment using advanced techniques such as CVD (Chemical Vapor Deposition) and HPHT (High Pressure High) Heat), which provides a sustainable choice to the customers without sacrificing the beauty & quality.

When you choose lab made diamond jewelry, you’re not only buying a beautiful piece of jewelry, you’re also contributing to a brighter future for our planet. Laboratory diamonds prevent environmental impacts due to frequent mining, such as soil erosion, water pollution and use of harmful chemicals. In addition, these diamonds are conflict-free, which means that every purchase promotes ethical and fair sourcing practices.

Shop for Ethical and Eco-Friendly diamond Jewellery at Lock Stone

Browse our lab grown diamond earrings, necklaces, rings, pendants, bracelets and more & enjoy brilliant design with a clear positive attitude.

Why Choose Lock Stone?

Here's what makes Lock Stone the best place to buy lab made diamond jewelry:

Ethical and Sustainability: Our diamonds are produced in laboratories and provide an environmentally friendly alternative while avoiding harmful mining.
Affordable luxury jewelry: Lab diamonds cost about 50% less than mined ones, so you can get larger and more beautiful sized diamond pieces for the same price.
Unique Design: With years of experience in jewelry making, we create a high quality design that you are sure to love.
Transparency and certification: Every lab-made diamond comes with certifications from trusted organizations like GIA and IGI, so you get to know about its authenticity and of high-quality.
Customization: We create personalized diamond jewelry to ensure your product design is as unique as you are.

We want to make luxury affordable to everyone.

Our Vision

At Lock Stone, our vision is to redefine luxury through harmonizing beauty, innovation, and sustainability. We aim to be the global leaders in lab-grown diamond jewellery, setting new standards for ethical and eco-friendly practices in the industry. By presenting lovely, conflict-free diamonds, we envision a future in which each piece of jewelry represents not only timeless beauty but additionally a dedication to save the environment.

We want to make ethical luxury affordable to everyone. From lab made diamond rings to earrings and necklaces, we offer stylish designs that match your values and styles.

Our goal is to craft pieces that encourage feelings, tell memories, and maintain deeper meaning. At the same time, we're committed to sustainability, making sure that our jewellery contributes to a better and more environmentally friendly world, "one ethically created diamond at a time".

How Lock Stone Can Help You?

"Lock Stone – Your One-Stop Destination for Amazing Lab Grown Diamond Jewellery for Every Occasion!"

Gifting Made Easy

Looking for a great gift that simply speaks from the heart? Don't worry whether it’s a diamond-studded bracelet for a loved one, a pair of elegant earrings for your mother, or a necklace for yourself. We are here to help you find the appropriate present for you or the one that you love that suits your budget, style and emotions.

Your Design, Our Expertise

Imagine a design, and we will create it for you. With Lock Stone, you can get your own designed customized jewelry , in accordance with your choice.

We ensure your imaginary design will be made with precision and artistry.

Solitaire Jewellery

Sometimes, much less is greater, especially with regards to solitaire jewelry. A radiant diamond set in a fashionable design speaks about your refined taste in luxury.

Solitaire Rings for engagements, pendants to add a touch of sophistication to any outfit, or solitaire earrings for classic glamour.

Each solitaire diamond jewellery is crafted to perfection, ensuring it will become your all time favourite.

[SHOP SOLITAIRE JEWELLERY]

Lab Grown Diamonds

Experience luxurious redefined! Lab-grown diamonds are not just ethical but are also easily affordable, providing the same brilliance and quality as natural diamonds at a fraction of the cost.

[EXPLORE OUR LAB GROWN DIAMOND COLLECTION]

Join Us in our journey of a Better Future

Lock Stone is not just a diamond jewellery brand, it’s a step towards a greater sustainable world. Whether it’s a special celebration moment or you are simply giving yourself a luxury, our laboratory grown diamonds combine beauty, ethics, and unique skills/designs perfectly.

Get in Touch

If you have any questions or need help with your order, feel free to contact us.

Corporate Social Responsibility (CSR)

Pure Purpose

The power of giving is greater than the desire to keep something for one’s own self. Great purpose starts with oneself first being humble, then having a desire for the welfare of the employees, and ultimately working for the welfare of the society at large. Generosity served with love can lead a child towards knowledge, the needy towards optimism, a community towards values and the world towards enlightenment.