Certified Lab Grown Diamonds

Looking to buy lab grown diamond stones directly from the source? Elite Diam is a leading diamond wholesaler and manufacturer. providing a selection of high-quality, sustainable lab grown diamonds.

If you are looking to buy lab grown diamond stones for retail, wholesale, or industrial purposes, we offer ethically sourced, certified and Non Certified 1- to 5-carat grown diamond stones with brilliance and cuts for all tastes and budgets.

What Are Certified Lab Grown Diamonds?

A certified lab grown diamond is a diamond graded by a globally recognized gemological laboratory. When you buy a certified lab grown diamond, you are guaranteed quality and a full grading report.

At Elite Diam, we only sell certified lab grown diamonds with a full grading report from either the Gemological Institute of America (GIA) or the International Gemological Institute (IGI) - the two most trusted authority lab grown diamond certification providers in the world.

Buying certified lab grown diamonds is an investment in quality. A certified lab grown diamond certificate confirms the diamond's Cut, Color, Clarity, and Carat weight and provides peace of mind to buyers, traders, and jewelers.

How to Check a Diamond Certificate

If you're buying a certified lab grown diamond, it's important to verify the authenticity of the certificate. Here's how:

• Find the Report Number on the certificate or inscribed on the diamond girdle.
• Visit the GIA Report Check (gia.edu) or the IGI Report Check (igionline.com).
• Enter the report number to view the complete details of your certified lab grown diamond.
• Compare the shape, carat weight, color, and clarity of your diamond to the physical stone.

This verification process ensures that every certified lab grown diamond you purchase from Elite Diam is exactly what the report states — no discrepancies, no surprises.

GIA Certified Lab Grown Diamonds

The Gemological Institute of America grades GIA-certified lab grown diamonds - the strictest and most respected diamond grading authority in the world. Each GIA-certified lab grown diamond is accompanied by an official report specifying the Cut, Color, Clarity, and Carat weight, and provides the buyer with full confidence in what he is buying.

When you buy GIA certified lab grown diamonds, you get the best grade of credibility of such diamonds in the market. GIA reports are universally accepted by jewelers, appraisers, and buyers across the world's key diamond markets.

• The industry has the strictest grading standards.
• Complete the 4C grading report included
• Laser-inscribed report number for easy verification
• Highest resale confidence and market credibility

IGI Certified Lab Grown Diamonds

IGI-certified lab grown diamonds are graded by the International Gemological Institute, the most popular certification organization in the lab grown diamond industry. All IGI-certified laboratory-grown diamonds come with an official full grading report, including cut, color, and Carat weight, as well as official confirmation that the stone is laboratory-grown.

When you buy IGI certified lab grown diamonds, you receive dependable, globally accepted quality inspections at a realistic price point, making it the most popular option among wholesalers and jewelry manufacturers worldwide.

• The most common certification for lab grown diamonds.
• Complete the 4C grading statement provided.
• Clearly identifies the stone as laboratory-grown
• Preferred by wholesale buyers and jewelry manufacturers

GIA vs IGI Certified Lab Grown Diamonds

When you buy a Certified lab grown diamond, the issuing laboratory matters. Here is a direct comparison of the two leading certification bodies for lab grown diamond grading:

Both GIA and IGI Certified lab grown diamond reports are globally accepted. GIA is preferred by premium retail buyers who prioritize resale value. At the same time, IGI is highly favored by wholesale buyers and jewelry manufacturers who buy certified lab grown diamond lots in bulk. Elite Diam supplies both, giving you the flexibility to choose the certification that fits your market.

Pros & Cons of Certified Lab Grown Diamonds

• Transparency on Cut, Color, Clarity, and Carat weight
• Globally accepted grading if you buy a certified lab grown diamond
• Builds trust with end buyers and retail customers
• Support resale value and price stability
• GIA and IGI certified lab grown diamond reports are accepted across global markets
• Perfect for luxury products, engagement rings, and brand collections

• Carries a slightly higher price than uncertified lab grown diamonds due to lab charges
• Report processing adds lead time before delivery
• May not be necessary for industrial buyers or bulk parcel traders

What are Non Certified lab grown Diamonds?

A Non Certified lab grown diamond is a lab grown diamond without a third-party diamond grading report. But all Non Certified lab grown diamonds from Elite Diam are manufactured using the same cutting-edge technology and adhere to the same high-quality standards at our diamond manufacturing facility.

For many buyers, the decision to buy a Non Certified lab grown diamond is a smart commercial choice. These lab grown diamond stones offer excellent value, particularly when the buyer is experienced in grading diamonds for quality or when certification is simply not required for the intended use.

Non Certified lab grown diamond inventory is ideal for:

• Bulk purchasing and parcel deals
• Price-sensitive inventory requirements
• Large commercial or industrial relevance
• Experienced diamond traders who can assess lab grown diamond stones independently

Who Should Buy Non Certified lab grown Diamonds?

If you are looking to buy a Non Certified lab grown diamond, Elite Diam caters to a specific profile of informed, professional buyers:

• Diamond Wholesalers & Parcel Buyers - Wholesalers who buy non certified lab grown diamond parcels in bulk, and use their own skills and experience to sort and resell inventory.
• Jewelry Manufacturers - Jewelry manufacturers who buy non certified lab grown diamond in volume to incorporate into finished jewelry products, where a third-party certificate is not required for retail sale.
• Industrial & Specialty Applications — Buyers who need lab grown diamond material for cutting, drilling, and other high-precision industrial uses where the Non Certified lab grown diamond is most cost-effective.

Key Facts About Our Non Certified Lab Grown Diamonds

• Every non certified lab grown diamonds are created using the same CVD and HPHT method as our certified lab grown diamonds.
• All Non Certified lab grown diamond stones undergo internally quality checks at our manufacturing facility before dispatch.
• Available in parcel lot and bulk sizes for Non Certified lab grown diamond wholesalers who buy a non certified lab grown diamond in bulk.
• Supplied across a range of shapes, colors, and clarity on request.
• The most affordable way to buy non certified lab grown diamonds while maintaining manufacturing quality.
• The perfect option for high-value inventory at extremely competitive prices.

Pros & cons of Non Certified lab grown diamonds

• lower price per carat - the most cost-effective buy a Non Certified lab grown diamond
• Ideal for bulk and parcel buyers who buy Non Certified lab grown diamond lots regularly
• Same CVD and HPHT quality control as for certified lab grown diamonds
• Flexible supply across multiple shapes, grades, and carat ranges
• Very profitable for seasoned diamond brokers and manufacturers

• No lab report for the Non Certified lab grown diamond
• Not recommended for buyers targeting to sell into the luxury retail market without a third-party grading report
• Buyers must be knowledgeable to judge quality when buying an uncertified lab grown diamond independently

Certified vs Non Certified Diamonds: Quality You Can Trust

We believe in transparency. Our lab grown diamonds are clearly categorized to meet the specific needs of diamond wholesalers, retailers, and individual buyers across the globe. Whether you are looking to buy a lab grown diamond with a GIA or IGI report, or buy a Non Certified lab grown diamond for commercial purposes, Elite Diam provides you with a quality product from the factory to your doorstep.

GIA & IGI Certified Lab Grown Diamonds

All certified lab grown diamonds here are exclusively graded by the Gemological Institute of America (GIA) or the International Gemological Institute (IGI). When you buy certified lab grown diamond from Elite Diam, each diamond will have a full report confirming its 4Cs (Cut, Color, Clarity, and Carat weight), providing complete clarity of gradings and confidence when selling on the international market.

Non Certified & Parcel Lab Grown Diamonds

We also offer Non Certified lab grown diamond collections for buyers seeking high-value diamond stock or specific industrial and bulk uses. When you buy Non Certified lab grown diamonds from Elite Diam, these diamonds are created and manufactured using the same high-quality process as our certified lab grown diamonds, providing a cost-effective alternative for diamond merchants, parcel buyers, and jewelry manufacturers who prioritize value at scale.

Why Source Lab Grown Diamond Directly from a Manufacturer?

Elite Diam is a direct-to-buyer diamond manufacturer, which means you can access factory-direct rates, priority-stock guarantees, and transparent supply chains without the cost of intermediaries.

• Factory-Direct Pricing — Competitive rates, whether you buy lab grown diamond stones certified or uncertified—no markups for resellers.
• Advanced Technology — Our CVD (Chemical Vapor Deposition) and HPHT (High Pressure, High Temperature) technologies enable us to manufacture high-quality, high-purity Type IIa (The Institute of Internal Auditors) lab grown diamond stones that deliver outstanding optical performance.
• Global Supply Chain — International shipping and inventory merchants for diamond worldwide who buy lab grown diamonds wholesale.

Whether you buy certified lab grown diamond or buy Non Certified lab grown diamond for bulk requirements, sourcing directly from Elite Diam ensures you receive the best value on every lab grown diamond order.

Technical Specifications & Shapes

At Elite Diam's lab grown diamonds are available in a variety of master-cut shapes to suit every form :

• Brilliant Rounds - The most popular lab grown diamond cut, optimized for maximum light return
• Fancy Shapes - Oval, Princess, Emerald, Pear, and Radiant cuts available in both certified lab grown diamond and Non Certified lab grown diamond
• Clarity Range — VVS1 to SI2 options across all lab grown diamonds
• Color Grade — D to J color scales available for all shapes and sizes of lab grown diamonds
• Carat Range — 1 to 5 carat lab grown diamonds in stock with bulk parcels available

Lab Grown Diamonds by Carat Weight

At Elite Diam, has lab grown diamonds to suit whatever carat you choose:

• 1 Carat Lab Grown Diamonds - The perfect balance of size and brilliance. A great choice for buyers who buy lab grown diamond solitaires and engagement rings.
• 2 Carat Lab Grown Diamonds - Bold presence with a sparkle. A good choice for those looking for bold lab grown diamond jewelry.
• 3–5 Carat Lab Grown Diamonds — Large and rare lab grown diamond stones for high-end requirements and luxury collections.
• Wholesale Loose Lab Grown Diamonds - Bulk parcels of certified lab grown diamond and Non Certified lab grown diamonds available for diamond dealers, merchants, and manufacturers.

Why Choose Elite Diam For Lab Grown Diamonds from?

Elite Diam is a direct lab grown diamond wholesaler and manufacturer with offering consistent grading standards and competitive pricing for all our certified and Non Certified lab grown diamonds.

• Factory-Direct Pricing — No middlemen. Whether you buy lab grown diamond stones certified or uncertified, you get the best value directly from the manufacturer.
• Advanced Manufacturing - CVD and HPHT lab grown diamond manufacturing, with the best quality lab grown diamond, which meets our own strict quality benchmarks.
• Wide Inventory - 1 to 5 carat lab grown diamond stones in several available in multiple shapes, color and clarity ranges, both as certified lab grown diamond and uncertified lab grown diamonds.
• Global Supply — Fast shipping and wholesale availability for international clients purchasing lab grown diamonds in bulk.

Why Certification Matters For Lab Grown Diamonds?

When you buy certified lab grown diamond, you are buying quality with a guarantee. Certification is the universal language of trust in the lab grown diamond industry, and it is what separates the stone with a proven, market-accepted value from one without a grading record.

Why Lab Grown Diamond Certification Matters

A lab grown diamond has been inspected by an independent diamond laboratory with no vested interest in the results. This makes the report independent. When you purchase a lab grown diamond with a GIA or IGI report, the Cut, Color, Clarity and Carat weight (4C's) of the lab grown diamond have been assessed using grading scales that are understood and accepted by diamond professionals and end buyers around the world.

For sellers, a lab grown diamond report sells their diamond. It gives the end buyer confidence. For wholesalers, a certified lab grown diamond can be resold more readily. For manufacturers, it guarantees that the lab grown diamond grade aligns with the jewelry product's price.

How to Verify the 4Cs of Your Certified Lab Grown Diamond

• Cut - The cut grade of a certified lab grown diamond measures the quality of its cut and polish. A certified lab grown diamond with a good cut grade will have show maximum brightness, fire and scintillation. When you're buying a GIA- or IGI-certified lab grown diamond, look for an Excellent or Very Good grades for the best performance.
• Color — Lab grown diamond color is graded on a D to Z scale, where D is completely colorless and Z carries a visible yellow or brown tint. When you buy certified lab grown diamond in the D–F range, you are purchasing a colorless lab grown diamond of the highest color standard. G–J grade certified lab grown diamonds offer near-colorless available at a more affordable price.
• Clarity - Clarity refers to the visibility of internal inclusions and external blemishes in a lab grown diamond. The clarity of a certified lab grown diamond is reported on the grading report, from FL (Flawless) to SI2. When you buy certified lab grown diamond with a VVS1 to VS2 clarity grade, inclusions won't be visible to the unaided eye, offering excellent visual purity.
• Carat Weight - A certified lab grown diamond grading report will also record the carat weight of a lab grown diamond. When you buy a certified lab grown diamond, the carat weight stated on the certificate is accurate to the second decimal place, ensuring you receive exactly the lab grown diamond weight you paid for.

At Elite Diam, every certified lab grown diamond is supplied with its full GIA or IGI grading report, making it straightforward for buyers to verify Cut, Color, Clarity, and Carat before finalizing their lab grown diamond purchase.

Certified Lab Grown Diamonds

Explore our complete collection of certified lab grown diamonds available in sizes from 1 to 5+ carats across all popular shapes, color grades, and clarity grades. Every stone in this collection comes with an official grading report, providing full transparency into Cut, Color, Clarity, and Carat weight. Whether you are sourcing a single certified lab grown diamond or buying in bulk, our inventory is built to meet your exact grading standards and specifications.