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Loose Lab-Grown Diamonds / SOURCING ON REQUEST
Round Brilliant Lab-Grown Diamonds Wholesale
Specify round brilliant center stones and matching pairs by diameter, report details and face-up appearance for your next jewellery order.
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HPHT Lab-Grown Diamond Sourcing
Make HPHT a precise growth-method requirement within a complete product and quality brief.
Actual availability confirmed by enquiry
Define the product family
What to Know About HPHT Lab-Grown Diamond Sourcing
HPHT means high-pressure, high-temperature growth. It describes a laboratory diamond growth route and must not be confused with a separate use of high pressure and temperature as a treatment process. For jewellery buyers, the finished selection still depends on the actual dimensions, grading information, visual appearance and supply format. A round melee packet and a single center stone need different acceptance records even when HPHT growth is requested. This page helps define that requirement and connect it to the appropriate product discussion; it does not claim that all illustrated goods or sizes are available in HPHT-grown form.
Browse the product options
Explore the Diamond Product Catalogue
All Product FamiliesLoose Lab-Grown DiamondsLab-Grown Melee DiamondsLab-Grown Diamond Side StonesMatched Lab-Grown DiamondsFancy Color Lab-Grown Diamonds
8 product groups
Sourcing options, not a live stock list
Loose Lab-Grown Diamonds / SOURCING ON REQUEST
Princess Cut Lab-Grown Diamonds Wholesale
Source princess-cut lab-grown diamonds with clear edge dimensions, corner-support requirements and matched-pair criteria for rings, studs and repeat designs.
Explore ProductLab-Grown Melee Diamonds / SOURCING ON REQUEST
Round Lab-Grown Melee Diamonds
Calibrated small round diamonds for pavé, halos and repeat production, specified by size range and parcel requirements.
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Matched Lab-Grown Diamonds / SOURCING ON REQUEST
Round Matched Pair Lab-Grown Diamonds
Two round loose diamonds reviewed together for earring programs, custom pairs and clearly defined repeat orders.
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Matched Lab-Grown Diamonds / SOURCING ON REQUEST
Fancy Shape Matched Pair Lab-Grown Diamonds
Oval, pear and other same-shape loose diamond pairs, selected around outline consistency and your finished-design requirements.
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Fancy Color Lab-Grown Diamonds / SOURCING ON REQUEST
Yellow Lab-Grown Diamonds
Yellow loose diamonds for design-led rings and pendants, with color appearance and supporting information reviewed stone by stone.
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Fancy Color Lab-Grown Diamonds / SOURCING ON REQUEST
Pink Lab-Grown Diamonds
Pink loose diamonds for bespoke color designs, with the actual hue, outline and supporting documentation reviewed before selection.
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Fancy Color Lab-Grown Diamonds / SOURCING ON REQUEST
Blue Lab-Grown Diamonds
Blue loose diamonds for distinctive rings and pendants, evaluated through actual color, dimensions and disclosed stone information.
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Choose with a complete specification
How to Brief HPHT Lab-Grown Diamond Procurement
A category page should help you compare options before you submit an enquiry.
Clarify Growth Versus Treatment
State whether HPHT is being requested as the growth method. Ask separately about post-growth treatment disclosure where relevant. The same abbreviation should not be allowed to hide two different questions in the sourcing conversation.
Use Product-Appropriate Measurements
A round center needs actual diameters and depth. Melee needs an agreed diameter or sieve interval. A pair needs group matching criteria in addition to each-stone data. The growth-method requirement does not replace these fields.
Confirm the Evidence for the Proposed Goods
Ask what documents or other agreed information support the stated growth method. Individual center-stone reports and parcel documentation may differ. Do not imply identical document coverage across every supply format.
Review Visual and Commercial Fit
Evaluate the actual stone or parcel against the quality brief, purchase unit and design requirements. Confirm availability, quantities and quotation terms for that selection rather than inferring them from an HPHT category label.
06 / A practical comparison
Apply HPHT Requirements to the Correct Product Format
Compare the properties that change the purchasing decision, then review the actual selected stones or parcel.
| Product format | HPHT-related brief | Independent acceptance criteria |
|---|---|---|
| Round center stone | Growth-method requirement and report | Diameter, depth, appearance and actual grades |
| Round melee parcel | Method preference and batch documentation | Size interval, count/weight and parcel appearance |
| Matched pair | Method requirement for both proposed stones | Each-stone data and visual pair matching |
| Fancy-color goods | Actual origin and treatment disclosure | Color reference and report wording |
Connect products to the finished piece
Translate Growth Preferences Into an Application Brief
Solitaire Engagement Rings
A circular center works with a range of solitaire concepts, but the sourcing task remains specific: match diameter, height clearance and visual standard to the actual ring head. Include a drawing or existing mount dimensions before comparing proposed stones, especially when replacing a center stone in a retained setting.
Explore the Relevant Product
Pavé and Halo Accents
Pavé shoulders and halos use many small round stones in a close layout. Supply the seat dimensions and design count, then review the parcel’s fit and visual consistency so the accents support the center and follow the intended pattern.
Explore the Relevant ProductSpecific buyers, specific requirements
Plan the Category Enquiry Around Your Business
01 / BUYER BRIEF
Independent Jewellers
Replace or select a circular center for a client design without guessing from carat weight.
Send the mount diameter, depth clearance, weight preference and report requirement; distinguish a replacement stone from a new setting project.
02 / BUYER BRIEF
Independent Setters and Workshops
Obtain a parcel suited to a specific band, halo or repair task without confusing stone count with total weight.
Provide the design count, nominal seat diameter and any reserve stones needed.
03 / BUYER BRIEF
Geometric Jewellery Manufacturers
Source square modified-brilliant stones for a retained design specification.
Supply layout drawings, orientation, corner-support notes, quantity and dimensional acceptance criteria.
| Market scenario | Example procurement use | What needs clarification |
|---|---|---|
| United States | Round bridal and stud assortment | Diameter, report fields and pair-weight terminology |
| United Kingdom | Independent bench and bespoke halo work | Sieve ranges, setting drawing and small-lot replenishment needs |
| Australia | Made-to-order solitaire and pendant collections | Design approval sequence and repeat diameter bands |
08 / Before you source
HPHT Lab-Grown Diamond Sourcing Buying FAQ
Is an HPHT-Grown Diamond the Same Thing as an HPHT-Treated Diamond?
The expressions answer different questions. One describes the growth method and the other describes a treatment process. Ask how both growth and any relevant treatment are documented for the selected goods, instead of relying on the abbreviation alone.
Can I Request HPHT-Grown Melee?
Include the method requirement with the sieve or diameter interval, parcel grades, quantity or total weight and documentation needs. Confirm the actual proposed batch and acceptance criteria; this sourcing page is not a live availability list.
Does HPHT Growth Guarantee a Particular Color or Clarity?
No growth-method label replaces evaluation of the actual goods. Use the individual report or agreed parcel description, measured dimensions and visual review to decide whether the proposed selection fits the purchasing plan.
What Should a Small Business Put in an HPHT Enquiry?
Name the finished product, method requirement, dimensions, grades, documents, quantity and destination. Explain which parameters can vary. This gives the sourcing discussion a practical starting point without assuming a universal MOQ or delivery promise.
09 / Prepare the next conversation
Build Your Diamond Sourcing Brief
Start with the fixed requirements and explain where the sourcing selection can vary.
Describe the product format, design requirements, document needs and intended purchase unit. The actual selection and commercial terms are confirmed through the quotation.
YOUR PREFERRED REQUIREMENT
HPHT Lab-Grown Diamond Sourcing
Continue to our contact form with your selected specifications and send your requirements directly to our sourcing team.
Continue to Inquiry
Review your product selection and requirements on our contact form.
Connect the catalogue and procurement requirements