3 Carat Lab Grown Diamond Jewelry – Wholesale, Custom, and IGI Certified Supply

Overview of 3 Carat Lab Grown Diamond Offerings
At Karma Designs, we specialize in providing high-quality 3 carat lab grown diamond jewelry for both B2B and wholesale clients. Our exclusive line includes customized and ready-made 18kt, 14kt, and 10kt lab grown diamond jewelry, designed to meet diverse aesthetic and branding needs.
Our offerings include:
• 3 carat lab grown engagement rings
• 3 carat ear studs and earrings
• 3 carat lab grown necklaces
• 3 carat wedding rings
Whether you’re a retailer, jewelry brand, or a private label, we are your go-to 3 carat lab grown jewelry supplier, known for both custom designs and bulk manufacturing. As a lab grown diamond jewelry supplier, we offer elegant and trendy styles, including solitaire, halo, and vintage settings. Our facility is equipped to serve as a dedicated 3 carat earrings factory, 3 carat necklace vendor, and 3 carat ring manufacturer, providing both quantity and quality without compromise.
We pride ourselves on our craftsmanship, sustainable sourcing, and on-time delivery, making us a highly preferred lab grown jewelry manufacturer for clients around the globe.
Certification & Quality Standards
Every piece of diamond jewelry we produce is subjected to rigorous quality checks. We adhere to international quality standards and partner with globally recognized institutions to ensure product authenticity.
What Sets Our Quality Apart:

• IGI Certified Lab Grown Diamonds: All our diamonds are IGI certified, providing assurance of quality, grading, and ethical sourcing.
• Lab Testing Protocols: Advanced equipment ensures the accuracy of carat, cut, clarity, and color.
• Quality Control Benchmarks: Multiple checkpoints across the production line.
• Grading by Experts: Each 3-carat diamond undergoes manual and automated grading.
Karma works as a 3-carat engagement ring factory, 3 carat necklace supplier and 3 carat earrings manufacturer and makes sure that you can be confident in the consistency and integrity of each piece.
Custom Manufacturing Services
Customization is at the heart of Karma Designs. We understand that brands and retailers want something unique and market-specific. That’s why we offer custom manufacturing for 3 carat lab grown diamond jewelry, with full support of design, prototyping, branding, and packaging.

Our Custom Services Include:
• CAD Prototyping: From sketch to 3D model.
• Metal Options: Choice of 18kt, 14kt, and 10kt gold (white, yellow, or rose).
• Brand Embossing & Private Labeling: Launch your own jewelry line with our backend support.
• Custom Packaging: Tailored for gifting or luxury retail.
Whether you’re looking for custom manufacturing for your 3 carat ring, earring or necklace, our end-to-end solution helps bring your vision to life. We are also equipped to handle bulk custom orders as a seasoned earrings/rings/necklaces manufacturer.
Why Lab Grown Diamonds Are the Future
As environmental awareness grows, lab grown diamonds have emerged as a responsible, ethical, and equally beautiful alternative to natural diamonds. These gems are chemically identical to their mined counterparts, offering the same sparkle and durability without the environmental footprint.
At Karma Designs, we combine traditional craftsmanship with cutting-edge technology to offer a sustainable luxury solution. Each 3 carat lab grown engagement ring or 3 carat lab grown necklace is a testament to our belief in responsible elegance.
From millennials looking for affordable brilliance to luxury brands committed to sustainability, the demand for lab grown diamond jewelry has grown exponentially. And with our deep expertise as a 3 carat lab grown jewelry manufacturer, we help clients turn that demand into opportunity.
Industry Applications & Market Trends
We cater to a broad spectrum of clients:
• Online jewelry brands launching eco-friendly collections.
• Retail stores expanding their inventory with lab grown options.
• International wholesalers looking for consistent, bulk supply.
• Luxury designers interested in private-label partnerships.
With growing interest in 3 carat ring wholesalers, 3 carat necklace suppliers, and 3 carat earrings vendors, we have positioned ourselves as a global force in lab grown diamond jewelry production.
Our in-house designers are constantly researching current fashion trends and working closely with clients to deliver innovative, trend-setting designs. Whether it’s a classic solitaire or a contemporary statement piece, our range is always in tune with the market.
Why Choose Karma Designs?
• 23+ Years of Experience in the Diamond Jewelry Industry
• Global Shipping with Insurance and Tracking
• IGI Certified Diamonds
• Flexible MOQ and Volume Pricing
• End-to-End OEM & ODM Services
As a trusted 3 carat lab grown jewelry wholesaler, vendor, and manufacturer, we are committed to providing top-tier jewelry that aligns with both fashion and sustainability trends.
Frequently Asked Questions (FAQs)
Q1. Are lab-grown diamonds as real as natural diamonds?
Yes, lab-grown diamonds are chemically, physically, and optically identical to natural diamonds. The only difference is they are created in a lab instead of being mined.
Q2. What shapes and styles are available in 3 carat lab-grown diamonds?
We offer a variety of shapes including Round, Pear, Oval, and Cushion cuts. Styles range from minimal solitaires to elaborate halo and vintage designs.
Q3. What shipping and bulk order options are available for B2B clients?
We ship worldwide with full customs documentation. With over 23 years of global B2B experience, we offer flexible bulk order quantities and competitive pricing.
Q4. Can I request exclusive designs or private-label branding?
Absolutely. We offer private-label support, custom CAD designs, brand embossing, and packaging personalization to help you stand out in the market.
Q5. What is the turnaround time for wholesale custom orders?
Depending on the complexity and quantity, custom orders typically take between 2 to 4 weeks from design finalization to dispatch.
Final Words
Whether you’re a jewelry startup, boutique brand, or established retailer, Karma Designs is your one-stop destination for 3 carat lab grown diamond jewelry. We are not just a 3 carat ring wholesaler or 3 carat engagement ring vendor — we are a complete solution for custom design, manufacturing, and certified supply of lab grown diamond jewelry.
By choosing Karma Designs, you choose a partner who understands the importance of quality, ethics, and style. Let us help you grow your business with dazzling designs that reflect modern values and timeless beauty.
Contact us today to explore wholesale options, custom requests, or private-label collaborations. Shine bright, ethically — with Karma Designs.
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