1.5 Carat Diamond Price · South Africa · Landed Rand Price
1.5 carat diamond price in South Africa
For 1.5 carat diamonds in South Africa, our 8 September 2026 sample had a median of R148 700 at H colour. The middle half of sampled prices was R138 000–R162 900. This compares 1.45–1.59 ct stones at VS1–VS2 clarity, with an Excellent cut filter and no fluorescence. VAT and delivery for the loose stone are included; a setting is additional. Confirm the current price for your chosen diamond.
See current 1.5 carat diamond prices Get a firm 1.5-carat quote → Email Darren directly →
What we can tell you plainly is how the price is built, why a slightly shy 1.40 to 1.45 ct stone is so often the value move at this popular engagement size, and how to get your exact figure, firm, in writing, before any work begins. Natural diamonds only.
What a 1.5 carat diamond costs in South Africa
In our 8 September 2026 sourced-price sample, a 1.5 carat diamond at D colour had a guide price of R231 500 and a J around R100 400. The broader selection at H colour or better, VS2 or better and an Excellent cut filter had a guide price of R190 400. Figures include VAT and delivery for the loose diamond; a ring or other setting is additional.
The same spec varies enormously, and you should expect that. At D colour, the middle 80% of the sampled prices ran from R191 200 to R335 200. These are percentile boundaries, not the cheapest and most expensive available stones. A guide helps set a budget; the individual diamond needs its own quote.
What separates them is the part a grading report summarises rather than settles: how well the stone is actually cut and how much light it returns, where the inclusions sit and whether the eye can find them, how strongly it fluoresces, how the outline is proportioned, and how keenly that particular stone happens to be priced against the international trade benchmark on the day. Weight and colour are two inputs out of a dozen.
1.5 carat diamond price by colour
A fair colour comparison has to hold everything else still, so this is VS1 to VS2 clarity, an Excellent cut filter and no fluorescence. The weight band is 1.45–1.59 ct. Typical is the median of the captured sample: half the sampled prices are lower, half are higher. A limited sample is labelled separately. Moving from D to J changes the typical price by about R131 100.
| Colour | Typical | Middle half falls between | At capture | |
|---|---|---|---|---|
| D | R231 500 | R203 500 to R280 600 | 256 | Check this spec → |
| E | R231 000 | R208 100 to R262 400 level with D | 285 | Check this spec → |
| F | R210 400 | R176 700 to R238 700 | 336 | Check this spec → |
| G | R183 200 | R159 400 to R205 200 | 462 | Check this spec → |
| H | R148 700 | R138 000 to R162 900 | 614 | Check this spec → |
| I | R122 500 | R121 700 to R132 500 | 749 | Check this spec → |
| J | R100 400 | R100 400 to R106 500 | 569 | Check this spec → |
1.5 carat diamond price by clarity
Held at H colour within 1.45–1.59 ct. Cut and fluorescence can still vary in this selection. Ask to see the individual stone: an SI1 grade alone does not establish whether inclusions are visible.
| Clarity | Typical | Middle half falls between | At capture | |
|---|---|---|---|---|
| VVS1 | R171 100 | R170 000 to R190 500 | 248 | Check this spec → |
| VVS2 | R163 300 | R162 200 to R176 200 | 321 | Check this spec → |
| VS1 | R152 700 | R148 700 to R163 900 | 450 | Check this spec → |
| VS2 | R141 500 | R136 100 to R161 500 | 440 | Check this spec → |
| SI1 | R122 500 | R119 800 to R141 600 | 481 | Check this spec → |
Dated price guidance from sourced listings. These figures were captured on 8 September 2026. They describe sampled prices, not stock held in Bedfordview or a guarantee that a particular stone remains available.
Use the typical price and middle-half range together when setting a budget. Where too few prices were returned, the table labels a limited sample and omits the range. Confirm the current price and availability before deciding.
No two of these diamonds are the same
A table like this describes a market, not a stone. Treat every figure as the shape of what is available at that spec, not a price list and not a promise. A grading report identifies the stone and its grades; the price appears in your written quote for the diamond you choose.
We benchmark every stone against the trade list before we put it in front of anyone, and we would rather lose a sale than sell you one we would not buy ourselves. Come and talk to us and we will often do better than the table, because a real stone is priced on its own merits.
Price sample captured 8 September 2026. Typical is a sample median; the middle-half band is the sampled 25th to 75th percentile. Limited samples use the lower-priced listings returned and should not be read as a market median. Guide figures are rounded up to the next R100.
Ask us about a 1.5 carat diamondCheck current 1.5 carat diamonds →
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Natural diamonds only
We sell natural diamonds and diamond-set jewellery. Ask us about the grading report and available origin documentation for your chosen stone. Why we don’t sell lab-grown →
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Independent grading reports
The grading laboratory is shown per stone. Review its report and the individual diamond before choosing; sourced examples can include GIA, EGL and IGI.
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Insured delivery, SA & worldwide
Overnight across South Africa via Brink’s, G4S or our nominated jewellery courier. Insured worldwide dispatch via Ferrari Group and FedEx Custom Critical.
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14-day in-person exchange
In-person sales at the viewing room come with a 14-day exchange courtesy on stock pieces. Distance-sale CPA cooling-off applies.
How to compare 1.5 carat diamond prices
The dated prices above describe a specified sample of natural diamonds. A 1.5 carat weight alone does not determine a quote. Compare shape, cut, colour, clarity, laboratory, fluorescence and measurements, then the full VAT-inclusive price of the actual stones.
Compare 1.40 or 1.45 carats before choosing the full 1.5
Popular weight thresholds can carry a price premium. A stone just below the weight you searched for may offer a useful alternative, but there is no fixed saving or promise that two weights will look identical. Compare their millimetre dimensions and appearance alongside their prices.
A 1.5 carat round brilliant is typically around 7.3–7.5 mm across. This is an orientation figure: use the chosen diamond’s report for its actual dimensions. Shape, depth and setting also affect its presence on the hand.
Choose the appearance, then compare the grades
- Cut and shape: compare the individual stone’s proportions and appearance. GIA’s overall cut grade applies to standard round brilliants in the D-to-Z colour range. Fancy shapes require their own assessment.
- Colour: compare the diamond in the metal and setting you intend to use. The grade is useful, but the colour you notice is a personal choice.
- Clarity: inspect visible inclusions, their position and any durability concerns. A VS or SI label alone does not establish that a stone is eye-clean.
- Carat and dimensions: weight is not face-up width. Compare the measurements on each report alongside the price.
Use our 4Cs guide and report-reading guide to prepare a shortlist. Ask to see available images or arrange a viewing.
Rapaport is a benchmark; your quote is for an individual diamond
The Rapaport Price List gives benchmark asking-price indications in US dollars. It is not a record of completed transactions or a universal consumer price. The actual stone, supply costs, exchange rate and seller’s terms affect a rand quote. Check all inclusions rather than comparing a discount percentage alone.
Prodiam cuts diamonds at Procut DCW and also sources polished stones through the certified trade. Buying directly does not establish a fixed saving against another seller. Compare the report, stone and complete VAT-inclusive quote. A ring setting and making are additional to a loose-diamond price: our quote comparison guide shows what to check.
What moves the price of a 1.5 carat diamond
Use these factors alongside the dated sample above. The current quote must identify the actual diamond, its grades and all price inclusions.
| Factor | How it moves the price |
|---|---|
| Cut grade | Compare cut quality and appearance on the actual stone. GIA’s overall cut grade applies to standard round brilliants in its D-to-Z range. |
| Colour grade | Colour can change the price at comparable grades. Compare the appearance in your intended setting and the actual quotes. |
| Clarity grade | Higher clarity can command a premium. Inspect the individual inclusions; a grade alone does not guarantee an eye-clean stone. |
| The 1.50 ct threshold | Compare 1.40 or 1.45 carat alternatives at similar shape and grades. A lower weight may cost less; check dimensions and appearance rather than assuming an identical look. |
| Rapaport list movement | A benchmark of asking-price indications, not completed transactions or the final price of every stone. |
| Rand-dollar exchange rate & VAT | Exchange rates and supply costs can affect the rand quote. Compare VAT-inclusive prices and confirm delivery and other inclusions. |
| Fluorescence & finish | Assess fluorescence, polish and symmetry with the individual diamond’s appearance and report; do not infer a fixed discount or resale value. |
| Supply route | Cut in-house at Procut DCW, or sourced to order from the certified trade. Compare complete quotes; the supply route alone does not prove a saving. |
Lab-grown vs natural at 1.5 carats, and what we sell
The split widens the larger the stone, and at the one-and-a-half-carat upgrade size it is stark: a 1.5-carat lab-grown diamond is advertised at a small fraction of what the equivalent natural stone costs, and that gap keeps stretching as lab-grown supply grows. It is worth naming because this is the size at which the price difference often tips a buyer one way or the other. Lab-grown stones are real diamonds, chemically identical, and a legitimate choice, but they are a different product on a different value trajectory, and we are clear about which one we deal in.
Prodiam works in natural diamonds only. If you are torn between the two at one and a half carats, we will lay the trade-offs out straight rather than steer you off a lab-grown stone; our natural versus lab-grown comparison sets out the differences honestly so you can settle that question before you ask us for a figure.
How to get your exact 1.5-carat figure
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See live prices
Open the diamond search to see fully-landed ZAR prices and filter to a GIA Excellent cut in your target colour and clarity. Set the carat filter to run from about 1.40 ct, not 1.50 ct, so the shy weights that look identical face-up but sit under the magic number show up too; at this size that band is where the value usually hides.
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Tell us the spec
Send your target grades and budget, or just say “a near-colourless, eye-clean 1.5-carat round” and let us interpret it. We respond within 24 hours, by email, video or WhatsApp.
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Firm quote in writing
We quote your chosen stone firm, in ZAR, including VAT, referenced to the Rapaport list and after the dollar conversion, a real number for a real stone, not a range. Compare it against any retail quote for the same four grades.
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Verify the certificate
Check the GIA report number yourself against the GIA report-check service. The grades on the paper are the grades you are paying for.
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Buy loose or as a ring
Take the stone as a loose diamond or have it set into a bespoke engagement ring. Delivered insured and overnight nationwide via Brink’s or G4S, with a written insurance valuation.
We are a director-led South African diamond dealer and cutting house, not a shopfront marking up someone else’s stones, and at a popular size like one and a half carats that structure puts more stone on the hand for the same budget.
If you want the honest answer on what your 1.5-carat diamond should cost, the fastest route is to see the live prices and then ask Darren for a firm quote; he will come back within 24 hours. The sizes either side are covered too: our one-carat price guide and our two-carat price guide walk the same ground, and how diamonds are priced in South Africa covers the mechanism across every weight.
1.5 carat diamond price: common questions
How much does a 1.5 carat diamond cost in South Africa?
For 1.5 carat diamonds in South Africa, our 8 September 2026 sample had a median of R148 700 at H colour. The middle half of sampled prices was R138 000–R162 900. This compares 1.45–1.59 ct stones at VS1–VS2 clarity, with an Excellent cut filter and no fluorescence. VAT and delivery for the loose stone are included; a setting is additional. Confirm the current price for your chosen diamond.
Why do 1.5 carat diamond prices vary?
1.5 carat describes the weight. Shape, cut, colour, clarity, fluorescence, grading laboratory and the individual stone affect its price. Use the dated sample above for context, then compare current VAT-inclusive quotes for closely matched diamonds. A jewellery setting is additional.
Is a 1.5 carat diamond noticeably bigger than a 1 carat?
Yes, clearly so, and that is why it is such a popular step up. A well-cut one-carat round brilliant measures roughly 6.5 mm across the top; a one-and-a-half-carat round sits at roughly 7.3 to 7.4 mm.
That is about fifty percent more weight but only around thirteen percent more width, because weight grows with volume rather than diameter, yet the difference reads plainly on the hand and the stone looks like a meaningful upgrade rather than a marginal one.
A 1.5 carat is the size many buyers move to when a one-carat feels slightly small but a two-carat is beyond the budget, and it is one of the most requested weights we cut.
Is a 1.40 or 1.45 carat diamond better value than a full 1.5 carat?
A diamond below a popular weight threshold can cost less, but the saving is specific to the diamonds being compared. Compare 1.40 or 1.45 carat options with the full 1.5 carat weight at similar shape and grades. Check millimetre dimensions, appearance and the complete price; the weights need not look identical, and there is no fixed saving.
What 1.5 carat diamond specification gives the best value in South Africa?
Start with the appearance you want and your total budget. For a round brilliant, compare the cut grade and actual dimensions; for a fancy shape, assess its proportions and appearance. Compare colour and clarity in the intended setting, and request images or a viewing to assess visible inclusions. A clarity grade alone does not guarantee an eye-clean 1.5 carat stone.
Is a 1.5 carat diamond a good size for an engagement ring?
It is one of the best-balanced choices on the market, which is why it has become a default upgrade. A 1.5 carat centre stone has clear presence on the hand, suits almost every setting from a classic solitaire to a halo, and carries the visual weight people associate with a serious engagement ring, without the steep premium of the two-carat threshold.
Set in a halo it can read close to two carats face-up. For buyers who want the most convincing size their budget will genuinely stretch to, the one-and-a-half-carat round or oval is the size we are asked for most often, and the one where cutter-direct pricing makes the biggest practical difference to what you can afford.
Can I get a 1.5 carat diamond price if I am not in Johannesburg?
Yes. Send your 1.5 carat specification and budget, and ask for the actual stone’s laboratory report and available photographs or video. Confirm the VAT-inclusive written quote, availability, sourcing lead time and insured delivery before committing. A complete ring also needs an agreed setting and production timeline.
Last reviewed: June 2026.