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Buying Guides

Before You Buy Jewellery

How to read prices, diamond descriptions, reports, and terms before you commit.

SAAT Gemology Team9 min read

A beautiful product isn't enough

Diamond and jewellery purchases combine emotion, technical information, and unfamiliar terms. Most retailers operate legitimately, but even lawful sales language can leave you with the wrong impression when important details are missing, separated, or hard to compare.

The safest response isn't suspicion — it's verification. Ask for the exact product description, complete price, and important conditions in writing, at any retailer, and take the time to compare like with like before you commit. A practice is not automatically dishonest, but any uncertainty should be resolved before payment.

1. Price and discount language

A discount is meaningful only when the comparison price is genuine and the advertised figure is what you'll actually pay.

What you may seeWhat it can leave unclearWhat to ask
Large "was and now" discountThe higher price may be a recommended price rarely actually charged.When and for how long was this exact item sold at the higher price?
"From" priceThe photographed size, diamond, or metal may cost substantially more.What is the complete price of the exact product shown?
Setting price onlyThe centre stone, sizing, or services may be additional.Does this price include the exact diamond and the finished ring?
Bundle priceThe value of the diamond, setting, and services becomes difficult to compare.Can you itemise each component and identify which items are optional?
Monthly repaymentA low instalment can distract from total cost and finance charges.What is the total amount payable, including interest and fees?

2. Diamond weight and product descriptions

The description should identify the exact stone, or clearly state the minimum quality you're guaranteed to receive.

What you may seeWhat it can leave unclearWhat to ask
"One carat ring"The figure may be total weight across many small stones, not the centre diamond.What is the centre-stone weight, and what is the additional total stone weight?
Broad grade range (e.g. F–H colour)A range doesn't identify the actual stone supplied.What are the grades of my exact centre stone?
Carat without dimensionsA deep stone can carry hidden weight and appear smaller face-up.What are the millimetre measurements and depth percentage?
Stock photographThe delivered stone or setting may differ from the image.Is this the exact item and exact diamond I will receive?

3. Beauty beyond the basic grades

A grading report is essential, but paper grades don't describe every visible feature. Fancy shapes can show bow-ties, uneven outlines, windowing, or crushed-ice patterns. A diamond can also appear hazy or face up smaller than expected even at a strong clarity grade.

  • View the exact diamond under more than one lighting condition, not only jewellery spotlights
  • Compare face-up dimensions, not just carat weight
  • Ask where inclusions sit and whether they affect transparency or appearance
  • For oval, pear, marquise, radiant, and cushion shapes, ask about bow-tie and outline symmetry specifically
  • Ask what any retailer — including SAAT — means by a proprietary cut name like "Select" or "Ideal", and ask to see the published criteria

4. Natural, laboratory-grown, and simulated stones

What you may seeWhat it can leave unclearWhat to ask
Diamond listed without origin statedWhether it is natural or laboratory-grown.State the origin clearly on the product page, invoice, and grading report.
"Created" or "cultured"The wording may not distinguish a laboratory-grown diamond from a simulant.Is this diamond, moissanite, cubic zirconia, or something else?
"Eco" or "ethical"The claim may not identify energy, mining, labour, or supply-chain evidence.What evidence and which part of the supply chain does this claim cover?
Treatment not mentioned in the headlineOrigin or treatment may appear only in fine print or report comments.Has this stone received any growth or post-growth treatment, coating, or clarity enhancement?

5. Grading reports and certificates

The word "certificate" is used loosely. A laboratory grading report describes a stone; an appraisal estimates value for a stated purpose; a retailer guarantee is a contractual promise. They are not interchangeable.

What you may seeWhat it can leave unclearWhat to ask
"Certificate included"It may be an in-house card, not an independent grading report.Who issued it, and can the report number be verified on the laboratory's official website?
Report shown separately from the stoneThe report could belong to a different stone.Do the report number, measurements, and inscription match the supplied diamond?
Mounted centre stoneThe setting may prevent complete weight, girdle, or inscription checks.Which characteristics were confirmed before setting, and what remains unverified?
Report presented as proof of valueA grading report doesn't determine a fair retail or resale price.What comparable products support the selling price?

6. Valuations, resale, and investment claims

A high valuation doesn't automatically prove a bargain. Insurance replacement value, current retail price, auction value, and immediate resale value can be very different figures.

Jewellery should be purchased primarily for personal purpose, beauty, and meaning. Any value, buy-back, or resale statement should define its calculation and conditions clearly, in writing, before you rely on it.

7. Jewellery construction and durability

What you may seeWhat it can leave unclearWhat to ask
"Gold" without further detailGold plated, filled, vermeil, and solid gold are materially different.What is the metal construction and fineness, and where is it hallmarked?
"White gold"Future rhodium replating may be required.Is it rhodium plated, and what ongoing care should I expect?
"Certified centre stone"Side stones may have broad or unspecified grades.What are the type, approximate grades, and total weight of all additional stones?
"Free resizing"Limits may apply to time, size range, design, or number of services.Exactly which resizing is included, and which designs cannot be resized?

8. Sales pressure and emotional influence

Time pressure can prevent meaningful comparison. A responsible retailer explains genuine supplier deadlines without turning affection, status, or fear of loss into a reason to purchase immediately. Watch for false scarcity ("another buyer is waiting"), a discount that "expires" but keeps returning, or being shown an expensive option first purely to make the next one feel inexpensive.

Our response: ask for the quotation, report, product specification, and terms in writing, and leave without paying if those documents can't be provided or if time to compare is refused.

9. Terms, returns, warranties, and bespoke orders

What you may seeWhat it can leave unclearWhat to ask
"No refunds"May be read as removing rights that apply to faulty or misdescribed goods.How does the policy distinguish change of mind from a product that fails consumer guarantees?
"Custom items cannot be returned"May not distinguish change of mind from defective workmanship.What remedy applies if the finished piece is faulty or not as approved?
"Lifetime warranty"Wear, claws, plating, stones, or accidental damage may be excluded.Please list every exclusion and my responsibilities.
DepositSome or all may become non-refundable at different production stages.How much is refundable at enquiry, sourcing, design approval, and production?

Australian note: a store may set its own change-of-mind policy, but applicable consumer guarantees for faulty, misdescribed, or unsuitable products cannot simply be removed by a "no refunds" sign. Consult current ACCC guidance for your individual circumstances.

The 16 questions to ask before paying

  1. Is the centre stone natural diamond, laboratory-grown diamond, a simulant, or another gemstone?
  2. Am I receiving the exact stone and item shown to me?
  3. What are the report number, actual carat weight, and millimetre measurements?
  4. Is the advertised weight the centre stone or the combined total weight?
  5. Has any stone received treatment or post-growth treatment?
  6. What measurable evidence supports "Select", "Signature", "Premium", or similar quality language?
  7. What is the complete final price, and which items remain optional?
  8. What is the metal type, fineness, finished width, thickness, and approximate weight?
  9. Is the item ready-made, made-to-order, customised, or fully bespoke?
  10. When does the deposit become partly or fully non-refundable?
  11. What specification controls if the finished piece differs from a photograph or render?
  12. What is excluded from the warranty, and are periodic inspections compulsory?
  13. What resizing, return, repair, postage, and insurance costs can arise?
  14. How is any buy-back, upgrade, or price-match amount calculated?
  15. Is the valuation for insurance replacement, retail comparison, or likely resale?
  16. May I take the documents away and compare, without paying a deposit today?

Our commitment to you

We publish these commitments and apply them consistently across our product pages, quotations, and invoices:

  • Clear identity — we identify whether each stone is natural, laboratory-grown, simulated, or treated
  • Exact description — we separate centre-stone weight from additional-stone weight and provide exact grades where available
  • Verifiable evidence — we provide the grading report number and explain what the report does and doesn't prove
  • Complete price — we state what the displayed price includes and disclose compulsory charges before commitment
  • Defined SAAT standards — when we use a proprietary description like SAAT Select Cut, we publish the measurable criteria
  • No false urgency — we disclose genuine availability or supplier deadlines without pressuring you emotionally
  • Plain conditions — we explain deposits, returns, resizing, warranty, and buy-back conditions before payment
  • Time to learn — you may learn, compare, ask questions, and leave without purchasing

Frequently asked questions

Does a large discount prove good value? No. Compare the final price, exact product specification, independent report, construction, and services — a discount is meaningful only when the comparison price is genuine.

Does a grading report prove a diamond is beautiful? No. It records assessed characteristics, but appearance is also affected by proportions, transparency, inclusion placement, bow-tie, outline, and personal preference.

Is a valuation the amount I can resell the jewellery for? Usually not. Many valuations are prepared for insurance replacement — ask what market and purpose the figure represents.

Can a store refuse every refund because jewellery is custom-made? A store may restrict change-of-mind returns, but custom status doesn't automatically remove applicable remedies for faulty workmanship or a product that doesn't match the agreed description.

What should I do if an explanation remains unclear? Don't pay a deposit. Ask for the product specification, complete price, and terms in writing, then compare independently.

Important consumer note

This guide provides general consumer education, not legal, financial, or valuation advice. Product rights and remedies depend on the facts and applicable law. Australian customers can consult the Australian Competition and Consumer Commission (accc.gov.au) for current guidance.

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