What is a matched diamond pair?

Two separately cut natural diamonds selected to appear identical when worn together. Matching covers colour, clarity, millimetre spread, table percentage, crown angle, fluorescence and the finish grades. Two stones sharing the same report specifications are not automatically a match, because spread, fluorescence and bow-tie severity vary within a single grade combination.

What does “pair” mean when buying diamonds?

In the trade, a pair means two loose stones sold together and selected to match, rather than a finished pair of earrings. Pricing is quoted either per carat or for the pair, and carat total weight refers to both stones combined – a 1 ctw pair is two stones of roughly 0.50 ct each, not two 1 ct stones.

How are diamond pairs matched for earrings?

A cutter or dealer sorts a parcel and selects candidates that hold tolerance on colour, spread, table percentage, crown angle and fluorescence, then confirms the match visually face-up in more than one light source. Fancy shapes are additionally matched on length-to-width ratio, bow-tie severity and mirror orientation.

Why are matched diamond pairs more expensive than single stones?

Cutting yield. Two stones that hold tolerance are rarer than either stone individually, and unmatched stones sit in inventory waiting for a partner. That search and carrying cost is the premium. It is minimal below 0.30 ct per stone and rises sharply above 1.00 ct per stone.

Do diamond earrings need to match in colour and clarity?

Colour should match exactly – one grade of separation becomes visible face-up above roughly 0.50 ct. Clarity can differ by one grade provided both stones are eye clean at normal viewing distance, since clarity is far less perceptible on the ear than colour or cut quality.

How do I buy two identical diamonds for studs?

Buy them as a pair from a supplier who states a matching tolerance in writing, rather than selecting two stones independently from a search filter. If you do select independently, compare full report data – measurements, table, depth, crown angle, fluorescence, and finish grades – not just the 4Cs summary, and view both stones together before committing.

What clarity is best for diamond stud earrings?

Eye-clean SI1 to VS2 for most buyers. Earrings are viewed at a distance where higher clarity delivers no visible benefit, so budget is better spent on cut grade and millimetre spread. Verify eye-clean status directly rather than trusting the grade.

How much does a 1 carat total weight diamond pair cost?

As of August 2026, a 1 ctw pair – two stones of roughly 0.50 ct each – in near-colourless, eye-clean, excellent-cut natural goods generally trades in the [X–Y] range at wholesale, with fancy shapes and stricter tolerances at the upper end. Commercial sizes have corrected significantly since 2024, so current pricing in this bracket is favourable against recent years. Request a live quotation against your specification.

How do jewellers match side stones to a centre diamond?

The pair is selected against the centre stone first, within one colour grade and with comparable finish and fluorescence. Proportion matters too – side stones should be roughly [15–30%] of the centre's spread depending on design. Supply the centre stone's report number when enquiring so the pair is matched to it, not merely to itself.

What is the difference between natural and lab-grown diamond pairs?

Origin. Natural diamonds form geologically over billions of years; lab-grown are produced by CVD or HPHT in weeks. They are chemically and optically equivalent and are distinguished by growth features, not appearance. Commercially, they behave very differently – lab-grown wholesale prices fell about 14% in the first quarter of 2026 with no established floor, while natural prices have stabilised within a narrow band. We stock natural goods only.

How can I check if a diamond pair is well matched?

Compare both reports line by line on colour, clarity, measurements, table percentage, depth percentage, crown angle, fluorescence and the three finish grades. Then view the stones face-up together in daylight and warm indoor light, and under UV if fluorescence differs at all. Request a written match sheet stating measured variance on each parameter.

Where can I buy certified natural diamond pairs wholesale?

From a dealer who holds pair inventory rather than assembling pairs on request from a virtual list, since assembled pairs carry no verified tolerance. Look for published matching standards, both certificates supplied, laser-inscribed report numbers, Kimberley Process compliance, and stated trade credentials. We supply wholesale natural diamond pairs from New York with export to Australia and international markets.

Diamond Cuts: Types, Shapes & Custom Cuts

When people talk about diamonds, they often focus on carat, color, and clarity. But the way a diamond is cut can have an equally important impact on its appearance, proportions, brilliance, and overall character.

A diamond cut is more than simply making a stone look attractive. For jewelry designers, manufacturers, wholesalers, and buyers searching for something outside traditional shapes, the cut can become the defining feature of a finished piece.

From classic brilliant cuts to fancy cut diamonds, unusual geometric forms, matched pairs, and fully custom cut diamonds, there are many possibilities available today.

This guide explains the different types of diamond cuts, how custom diamond cutting works, popular fancy shapes, and what jewelry professionals should consider when sourcing specialty diamonds.

What Is a Diamond Cut?

Diamond cut refers to how a rough diamond is shaped and polished into a finished stone, including its proportions, symmetry, facets, and overall design.

Cutting determines how the diamond interacts with light. The arrangement and precision of the facets can influence brightness, contrast, scintillation, and the visual character of the stone.

While round brilliant diamonds are widely recognized, modern diamond cutting extends far beyond the traditional round shape.

For jewelry designers and professional buyers, diamond cut shapes can include everything from geometric silhouettes to elongated designs and unusual custom forms.

What Are the Different Types of Diamond Cuts?

There is no single list that covers every possible diamond cut. Diamond cutters and manufacturers can work with a wide range of shapes and facet arrangements.

Some commonly requested categories include:

Round brilliant
Oval
Cushion
Emerald
Asscher
Pear
Marquise
Radiant
Princess
Heart
Kite
Shield
Hexagon
Lozenge
Trapezoid
Half moon
Tapered
Cadillac
Pentagon
Ashoka
Portrait
Other custom and asymmetrical designs

The right shape depends on the intended jewelry design, the rough material available, desired proportions, and the buyer’s specifications.

Fancy Cut Diamonds vs Fancy Shape Diamonds

The terms fancy cut diamonds and fancy shape diamonds are sometimes used interchangeably, but they can refer to slightly different concepts depending on the context.

A fancy shape generally describes a diamond outline that is not round, such as an oval, pear, marquise, shield, kite, or hexagon.

A fancy cut can also refer more broadly to a specialized cutting style or design that differs from conventional round brilliant cutting.

For jewelry professionals, the important consideration is not simply the terminology. It is whether the finished stone provides the shape, proportions, faceting, and visual appearance required for the design.

Why Are Unusual Diamond Shapes Becoming More Popular?

Traditional diamond shapes continue to be important, but designers increasingly look for stones that help their jewelry stand apart.

Unusual diamond shapes can create a distinctive look without requiring an elaborate setting. A geometric stone can become the visual centerpiece of a ring, pendant, pair of earrings, or custom jewelry collection.

Some popular examples include:

Kite Cut Diamonds

A kite cut diamond has a distinctive angular silhouette that works particularly well in contemporary and geometric jewelry.

Shield Cut Diamonds

Shield-shaped diamonds can provide strong architectural lines and are often used as center stones or complementary stones in custom layouts.

Hexagon Cut Diamonds

The six-sided outline of a hexagon cut diamond gives jewelry a clean geometric appearance. Hexagonal stones can also be incorporated into modern cluster and symmetrical designs.

Lozenge Cut Diamonds

A lozenge shape creates a long, angular outline that can work especially well in directional or contemporary jewelry designs.

Trapezoid Diamonds

Trapezoid diamonds are commonly used as side stones, although their proportions can be customized depending on the setting and design requirements.

Half Moon Diamonds

A half moon diamond can be used alongside a center stone to create a balanced transition between the center and the setting.

Tapered Diamonds

Tapered shapes can help create movement and visual direction within a jewelry design.

Cadillac Cut Diamonds

The Cadillac shape is a distinctive geometric option that can be particularly effective in custom and statement jewelry.

Pentagon and Ashoka Cuts

Pentagonal and Ashoka-style designs demonstrate how specialized diamond cutting can create shapes that are very different from conventional commercial cuts.

Portrait Cut Diamonds

Portrait cuts are known for their distinctive flat, broad appearance and can create an entirely different visual effect from traditional brilliant-style diamonds.

Can a Diamond Be Cut Into a Custom Shape?

Yes. Depending on the rough diamond, its characteristics, dimensions, and the desired result, a diamond can sometimes be planned and cut into a custom shape.

However, custom diamond cutting is not simply a matter of drawing an outline and cutting the stone.

A professional diamond cutter must consider the rough material, inclusions, proportions, yield, symmetry and polishing requirements, and the intended jewelry application.

This is why custom diamond cuts require communication between the buyer, designer, manufacturer, and diamond cutter.

A jewelry designer may provide a CAD file, drawing, measurements, reference stone, or specific dimensional requirements. The cutting team can then evaluate whether the requested design can be produced from suitable rough material.

How Are Custom Diamonds Cut?

The process generally begins with understanding the desired finished stone.

1. Define the Requirements

The buyer may specify:

Shape
Length and width
Depth
Carat range
Proportions
Symmetry
Faceting style
Quantity
Matching requirements
Intended jewelry application

2. Source Suitable Rough

Not every rough diamond is suitable for every shape. The available material must be evaluated against the desired finished dimensions and characteristics.

3. Plan the Cut

The cutting plan is developed to balance the desired shape and appearance with the characteristics of the rough.

For unusual or geometric stones, careful planning is especially important because small differences in proportions can significantly change the finished appearance.

4. Cut and Polish

The stone is gradually shaped and polished according to the cutting plan.

5. Inspect the Finished Stone

The final diamond is examined for dimensions, symmetry, polish, appearance, and compliance with the requested specifications.

For commercial jewelry production, consistency is particularly important when multiple stones are required.

Where Can Jewelers Source Custom Cut Diamonds Wholesale?

Jewelry manufacturers and designers often need something more specific than a standard inventory search.

A professional supplier can help source stones according to requirements such as:

Shape
Size
Carat
Color
Clarity
Dimensions
Quantity
Matching
Certification
Budget
Delivery requirements

For buyers looking for wholesale custom cut diamonds, the ability to communicate exact specifications can make the sourcing process considerably more efficient.

This is particularly useful for jewelry collections that require multiple stones with consistent proportions.

Matching Pair Diamonds for Jewelry Designers

One area where specialized sourcing becomes especially valuable is diamond matching pairs.

Finding two diamonds that are simply the same shape is not necessarily enough. For earrings, side-by-side designs, symmetrical rings, or custom layouts, buyers may need stones that closely match in:

Shape
Length-to-width ratio
Dimensions
Carat
Color
Clarity
Faceting
Overall appearance

For this reason, matched pair diamonds are an important category for jewelry designers and manufacturers.

A specialized supplier can help identify and source diamond matching pairs according to the requirements of a specific jewelry design.

Wholesale Fancy Cut Diamonds for Jewelry Manufacturing

For manufacturers, the sourcing process is different from buying a single diamond for a personal purchase.

A wholesale buyer may need several stones with precise specifications and consistent dimensions.

For example, a jewelry collection might require:

20 matching kite diamonds
50 calibrated trapezoid diamonds
A pair of matching half moons
Custom shield-shaped side stones
A specific size range of hexagon diamonds
Multiple stones cut to the same proportions

This is where custom diamond manufacturing and specialized sourcing can become valuable.

Instead of selecting whatever is currently available, buyers can communicate the requirements of the finished jewelry design and work toward a more precise solution.

Diamond Cutting Services for Custom Jewelry

Professional diamond cutting services can be useful when standard inventory does not meet the requirements of a particular design.

Depending on the supplier and project, services may include:

Custom shape development
Custom sizing
Matching pairs
Calibrated stones
Fancy shape sourcing
Special layouts
Custom diamond manufacturing
Rough-to-polished planning
Memo services

The best approach depends on whether you need one unique stone, a matched pair, or a larger production quantity.

Choosing a Diamond Cutter or Diamond Cutting Company

When choosing a diamond cutter or diamond cutting company, price should not be the only consideration.

Jewelry professionals should also consider:

Experience With Specialty Shapes

Ask whether the supplier regularly works with the type of shape you need.

Manufacturing Capability

If you require multiple stones, make sure the supplier can maintain consistency across the order.

Communication

Custom work requires clear communication about dimensions, tolerances, proportions, and intended use.

Sourcing Capability

A good supplier should be able to help identify suitable material rather than simply offering whatever is already in stock.

Quality Control

Dimensions, symmetry, polish, and matching should be checked before the stones are delivered.

OM Jewels Inc – Custom and Wholesale Diamond Sourcing

OM Jewels Inc is a first-generation diamond import enterprise focused on serving jewelry professionals with specialized diamond sourcing and supply.

The company works with a broad range of diamond requirements, including fancy cut diamonds, unusual diamond shapes, matching pairs, salt & pepper diamonds, rustic diamonds, and custom-sourced stones.

For buyers who need something beyond standard round or conventional shapes, OM Jewels Inc can help with sourcing and customized diamond requirements based on the needs of the jewelry design.

The company’s focus is particularly relevant for professional buyers looking for:

Custom cut diamonds
Fancy shape diamonds
Wholesale fancy cut diamonds
Matching pair diamonds
Unusual diamond shapes
Specialty diamond cuts
Custom diamond sourcing
Calibrated diamonds
Custom manufacturing requirements
Memo services

Whether you are developing a single custom piece or sourcing stones for a jewelry collection, communicating the exact specifications of the project is the first step toward finding the right diamonds.

How to Order a Custom Cut Diamond

If you are a jewelry designer, manufacturer, retailer, or wholesale buyer, start with the specifications of your project.

Provide as much information as possible, including:

Desired shape
Approximate dimensions
Carat range
Color and clarity requirements
Quantity
Matching requirements
Certification requirements
Intended jewelry design
Target budget
Required delivery timeline

If you have a drawing, CAD design, reference image, or sample stone, sharing it can make the sourcing process easier.

For wholesale diamond buyers, you can also contact us about available inventory, custom sourcing, and diamond memo service options.

Frequently Asked Questions About Diamond Cuts

What are the different types of diamond cuts?

Diamond cuts include traditional shapes such as round, oval, cushion, emerald, pear, marquise, radiant, and princess, as well as specialty shapes such as kite, shield, hexagon, lozenge, trapezoid, half moon, Cadillac, pentagon, and other custom designs.

What is the best diamond cut for a unique engagement ring?

There is no single best cut for every engagement ring. The right choice depends on the design, setting, personal style, proportions, and desired appearance. Fancy and unusual shapes can be excellent choices for buyers who want a distinctive design.

Where can I buy custom cut diamonds wholesale?

Jewelry manufacturers and designers can work with specialized diamond suppliers that offer custom sourcing and manufacturing. When requesting wholesale custom cut diamonds, provide exact shape, size, quantity, and quality requirements.

Who specializes in unusual diamond shapes?

Specialized diamond manufacturers, cutters, and wholesalers may offer unusual and custom diamond shapes. Buyers should look for suppliers with experience in specialty cuts, matching, calibrated stones, and custom manufacturing.

What diamond cuts are available besides round and princess?

There are many alternatives, including oval, pear, marquise, cushion, emerald, radiant, asscher, heart, kite, shield, hexagon, lozenge, trapezoid, half moon, tapered, Cadillac, pentagon, Ashoka, portrait, and custom shapes.

Can a diamond be cut into a custom shape?

In many cases, yes, depending on the rough diamond and the requested design. The feasibility depends on the rough’s characteristics, desired dimensions, yield, proportions, and cutting requirements.

Where can I source matching diamond pairs?

Matching pairs can be sourced through specialized diamond suppliers and manufacturers. When ordering a pair, specify the desired dimensions, shape, carat, color, clarity, and acceptable matching tolerances.

What is the difference between fancy cut and fancy shape diamonds?

Fancy shape generally refers to the outline or silhouette of a diamond that differs from a round shape. Fancy cut can be used more broadly to describe specialized diamond cutting. In the trade, the terminology can vary depending on the context.

How do jewelers source rare diamond shapes?

Jewelers can source rare shapes through specialized wholesalers, diamond manufacturers, custom cutters, and sourcing companies. Providing exact dimensions and design requirements can help the supplier identify suitable stones.

Explore More Diamond Expertise

If you are researching specialty diamonds, custom cuts, sourcing, and wholesale buying, explore more guides and industry insights from OM Jewels Inc. on the OM Jewels blog.

Our team can also assist jewelry professionals looking for custom diamond sourcing, fancy shapes, matching pairs, and specialty diamond requirements.

Looking for a Custom Diamond Cut?

Have a specific shape, size, matching pair, or custom diamond requirement?

Contact OM Jewels Inc to discuss your requirements and sourcing options.

Whether you need a single unusual diamond or a larger wholesale requirement, providing your specifications allows our team to understand your project and identify the right sourcing solution.

OM Jewels Inc
Website: omjewelsinc.com
Blog: omjewelsinc.com/blog

For wholesale inquiries, custom diamond sourcing, matching pairs, and specialty diamond requirements, contact the OM Jewels team through the company website, mail, and contact.