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Matched Lab-Grown Diamonds / Business sourcing

Graduated Lab-Grown Diamond Sets

Drawing-led sets with a deliberate size progression, supplied against a numbered design and an agreed approval sequence.

Specialist sourcing / specifications subject to confirmation
Layout requirement
Purchase unit
Matching brief

Preferences are a brief, not a live inventory selection.

A product brief, not just a grade list

Understanding Graduated Lab-Grown Diamond Sets

Graduated lab-grown diamond sets organize several stones into an intentional sequence rather than a bag of mixed sizes. The reference layout on this page uses nine round diamonds: one largest center stone and four corresponding positions on each side, tapering toward the ends. The picture illustrates a layout idea, not a ready-made stock set or a confirmed capability to reproduce every progression. Translate your design into a numbered bill of materials, with required dimensions, counts and visual relationships at each position. Review feasibility and a proposed sample arrangement before fixing the setting. Individual weights, set total, matching criteria and supply arrangements must then be confirmed for the actual selected group.

01 / Define the actual requirement

Graduated Lab-Grown Diamond Sets Specifications

Separate the product description, sample values and information that must be confirmed for the actual selected goods.

Reference requests and example values; not measurements of an available inventory item.
MaterialLaboratory-grown diamond
Reference layout9 round brilliant diamonds: a center plus four paired positions
ProgressionLargest at center; left/right sizes decrease toward both ends
Illustrative diameter sequence2.00 / 2.25 / 2.50 / 2.75 / 3.00 / 2.75 / 2.50 / 2.25 / 2.00 mm; request example only
Position mappingNumber every stone location and identify corresponding left/right positions
Actual weightsRecord each selected stone and the measured set total; no guessed conversion
Visual consistencyAgree color relationship, facet appearance and paired-position matching
Feasibility / sample approvalSpecialist directed sourcing; validate the layout and repeat route first
Growth methodConfirm CVD or HPHT for the proposed goods
DocumentationConfirm the available laboratory report or batch documentation
Post-growth treatmentConfirm disclosed treatment information for the proposed goods
Order unitOne numbered graduated set; count and weights tied to the approved BOM
MOQ / price / lead timeConfirmed only in the quotation for the agreed specification
Read the actual document and confirm correspondence to the selected goods.
Growth methodConfirm CVD or HPHT for the proposed goods
DocumentationConfirm the available laboratory report or batch documentation
Post-growth treatmentConfirm disclosed treatment information for the proposed goods

IGI and GIA services have their own report formats. Use the actual issuing laboratory's wording rather than adding a blanket quality claim. IGI report background · Current GIA services

Define purchase units, measurements and the approval basis before comparing quotes.
Reference layout9 round brilliant diamonds: a center plus four paired positions
Actual weightsRecord each selected stone and the measured set total; no guessed conversion
Order unitOne numbered graduated set; count and weights tied to the approved BOM
MOQ / price / lead timeConfirmed only in the quotation for the agreed specification

Send a numbered BOM, layout drawing and the intended visual rhythm.

02 / Choose against the design

How to Choose Graduated Lab-Grown Diamond Sets

Use these product-specific checks to make your quotation request more precise.

01 / SELECTION CHECK

Turn the Curve Into a Stone List

A visual arc is not a complete sourcing instruction. Number each position, give the dimensions and identify the center. The supplier should be able to connect every proposed stone to one location in your design.

02 / SELECTION CHECK

Define How Progression Is Judged

A sequence can graduate by diameter, outline area or another design requirement; those are not the same as a fixed carat progression. State the intended visual rhythm and have the setter review its relationship to the mount.

03 / SELECTION CHECK

Pair Corresponding Positions

In a symmetrical layout, the stone on one side should be compared with its corresponding position on the other. Approve both the sequence as a whole and the relationship within those paired positions.

04 / SELECTION CHECK

Approve Feasibility Before Scale

A one-off sample arrangement does not demonstrate a repeatable set program. Discuss the supply route, accepted variation, replacement approach and inspection record before treating a graduated concept as an ongoing collection product.

03 / Plan from the finished design

Applications for Graduated Lab-Grown Diamond Sets

The finished setting or production workflow determines which measurements and matching decisions belong in the enquiry.

Graduated tennis-necklace layouts — illustrated downstream use of Graduated Lab-Grown Diamond Sets

APPLICATION 1

Graduated Tennis-Necklace Layouts

A necklace can build toward a focal center through a deliberate size progression. The nine-round reference uses one largest middle stone and four corresponding positions on each side. Define every location and approve the actual stones before finalizing the links and spacing.

Brief This Application
Nine-stone layout approval — illustrated downstream use of Graduated Lab-Grown Diamond Sets

APPLICATION 2

Nine-Stone Layout Approval

Place the proposed selection on the numbered drawing to judge the complete progression. Compare the four corresponding left/right pairs as well as the center, and keep revisions to dimensions or positions visible in the approval record before the set is packed.

Brief This Application

ADDITIONAL DESIGN USE

Graduated Bracelet Concepts

A bracelet may use a centered progression or another specified rhythm. Show the actual layout and distinguish corresponding pairs from individually sized positions so a quote can identify the intended set rather than a miscellaneous mixed group.

Brief This Application

04 / Your buying model

A Sourcing Brief for Your Business

01

Design Studios and Small Brands

Test a deliberate progression before committing the metal structure or a production program.

Include in the RFQ: Send a numbered BOM, layout drawing and the intended visual rhythm.

02

Jewelry Manufacturers

Connect each stone position to the actual seats and inspection record.

Include in the RFQ: Define dimensions, corresponding pairs, count and the method for measuring total weight.

03

Bespoke Jewelers

Develop a one-off set without confusing a proposed sample with confirmed recurring supply.

Include in the RFQ: Identify the fixed design constraints, sample approval stages and future replacement needs.

05 / Qualitative procurement scenarios

Market Buying Considerations for Graduated Lab-Grown Diamond Sets

Use a specific business scenario to prepare an enquiry. These examples do not assert national preferences, market size or confirmed orders.

Editorial buying scenarios, not national demand rankings or company sales data.
MarketBuying scenarioRFQ focus
United StatesGraduated line-jewelry proposalsNumbered sequence, paired positions and sample approval
United KingdomOne-off bespoke necklace and bracelet layoutsDesign envelope, progression intent and setter review
AustraliaCollection sample and replenishment assessmentApproved BOM, variation limits and reserve strategy
United States · Graduated Line-Jewelry Proposals

For a US-facing jewelry proposal, a graduated-set brief should show which position belongs to each stone. Compare the overall visual progression before reducing the proposal to a total carat figure. The reference is a design-planning scenario, not evidence of a national trend.

United Kingdom · One-Off Bespoke Necklace and Bracelet Layouts

For a bespoke layout, determine whether the design requires a strictly symmetric progression or a different intentional sequence. Provide the numbered drawing and approve the proposed selection with the setter. Feasibility and available supply remain specific to the project.

Australia · Collection Sample and Replenishment Assessment

For a studio considering a graduated collection, treat the sample as an opportunity to establish the stone list and acceptance criteria. A separate supply review should determine whether later sets and replacement positions can be sourced. No repeat capability is assumed from the illustration.

06 / A practical comparison

Graduated Sets vs Same-Size Calibrated Parcels

Compare the properties that change the purchasing decision, then review the actual selected stones or parcel.

Choose against the actual design, documents and offered goods rather than a blanket better-product claim.
Buying pointGraduated setSame-size calibrated parcel
Size planIntentional change from position to positionOne defined dimensional group
Record structureNumbered BOM and progression mapCounted group with one dimension specification
Matching taskCorresponding positions plus overall visual rhythmConsistency across equal-size stones
Weight recordIndividual values and set totalActual count and parcel total
Approval focusLayout, feasibility and position-specific fitRepeated-setting fit and group appearance

08 / Before you source

Graduated Lab-Grown Diamond Sets Buying FAQ

Is the Nine-Stone Graduated Layout a Stocked Set?

No. It is an illustrative way to explain a numbered progression brief. The actual dimensions, shape sequence, availability and set assembly need project-specific confirmation. Do not treat the generated layout as proof of a ready-to-ship product or a recurring supply program.

Does Graduated Mean a Fixed Change in Carat Weight?

Not necessarily. The design may need a progression in diameter or face-up appearance rather than evenly spaced carat increments. Explain the intended rhythm, provide dimensions for each position and record the actual weights of the selected stones instead of relying on an approximate conversion.

How Should I Number a Symmetrical Set?

Number the positions across the complete layout and identify the center. Mark which positions correspond on the left and right, for example the first and last stones in the reference arc. The same map should follow the proposed selection, approval record and packing list.

Can the Set Use Oval or Other Fancy Shapes?

Submit the intended shapes and dimensions as a new feasibility brief. Fancy-shaped progressions add contour and orientation requirements to the size sequence. The nine-round reference does not establish available stock or a proven ability to reproduce another shape program.

What Happens if One Position Needs Replacement Later?

A replacement needs the original position number, dimensions, visual reference and surrounding-stone context. Discuss the reserve and replacement approach while developing the sample. Later supply should be compared with the accepted set rather than assumed to match from the position’s nominal size alone.

What Should Be Agreed Before a Graduated Set Is Ordered?

Approve the numbered layout, actual proposed stones, progression, matching criteria and evidence records. Confirm the set count, individual weights and total, together with commercial and delivery terms. If the design will repeat, establish the supply and acceptance process separately from one sample’s approval.

09 / Prepare the next conversation

Build Your Graduated Diamond Sets Brief

Start with the fixed requirements and explain where the sourcing selection can vary.

Send a numbered BOM, layout drawing and the intended visual rhythm.

YOUR PREFERRED REQUIREMENT

Graduated Lab-Grown Diamond Sets

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.

Keep the buying brief connected

Related Products & Sourcing Resources

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