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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct natural radiant diamond

Every retailer in our index stocking this size and shape, 70 of them, across 16,687 current listings.

Updated November 5, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

16,687

Retailers carrying

70

Median confirmed price

SGD 7,794

Grade combinations

32

Certificate mix:GIA 14,848 · IGI 198 · HRD 123

What it actually costs

Half of these diamonds are listed between SGD 5,294 and SGD 11,014 (as of November 5, 2026).

Lower 10% SGD 3,695Median SGD 7,794Upper 10% SGD 14,363

Middle half listed between SGD 5,294 to SGD 11,014

Certificated stones with a recently confirmed price only, 3,895 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Cheapest to dearest, median

77%

Cheapest to dearest, median in price

SGD 4,504

Stones compared

2,980

Across 2,980 stones of this size and shape carried by more than one retailer, the dearest listing sits 77% above the cheapest for the identical certificated diamond, a typical gap of SGD 4,504. That gap is what comparing before you buy avoids.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  1. 1NZ Jewellers978 in stock
    New Zealand·Founded 2006·30-day returns·Ships to Singapore
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  3. 3

    The Perfect Carat

    672 in stock
    US
    Terms not yet verified
  4. 4Aurelinne655 in stock
    United States·Founded 2021·30-day returns·Ships to Singapore
    Terms not yet verified
    Visit Aurelinne
  7. 7Rare Carat631 in stock
    United States·Founded 2016·30-day returns·Ships to Singapore
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  8. 8Allurez600 in stock
    United States·Founded 2010·30-day returns·Ships to Singapore
    Terms not yet verified
    Visit Allurez
  9. 9B2C Jewels550 in stock
    United States·Founded 2004·30-day returns·Ships to Singapore
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  10. 10Yorxs538 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
Show 15 more retailers
  2. 12Blue Nile499 in stock
    United States·Founded 1999·30-day returns·Ships to Singapore
    Terms not yet verified
    Visit Blue Nile
  4. 14RockHer428 in stock
    United States·Founded 2016·40-day returns·Ships to Singapore
    Terms not yet verified
    Visit RockHer
  12. 22Cape Diamonds373 in stock
    South Africa·Founded 2005·7-day returns·Ships to Singapore
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  14. 24Jared283 in stock
    United States·Founded 1993·30-day returns
    Terms not yet verified
    Visit Jared
  15. 25Zales283 in stock
    United States·Founded 1924·30-day returns
    Terms not yet verified
    Visit Zales

Stock counts are updated daily. Founded and shipping details come from public sources. Return terms are our summary of each retailer's own policy page, dated per retailer above. Retailers change their terms, so check the retailer's own returns and shipping pages before you buy.

16 of the 25 retailers ship to Singapore. 9 do not.

Narrow it down by grade

Each combination below has its own page with the retailers that stock exactly that grade.

I VS21,547 · 56rG VS21,305 · 62rH VS11,183 · 58rH VS21,133 · 61rG VS11,112 · 56rF VS21,028 · 59rI VS11,013 · 55rF VS1922 · 60rH VVS2914 · 58rE VS2803 · 60rD VS2622 · 59rE VS1593 · 54rD VS1548 · 51rH VVS1494 · 56rG VVS1492 · 54rI VVS2478 · 50rI VVS1456 · 51rG VVS2419 · 52rF VVS2381 · 51rE VVS2286 · 50rF VVS1218 · 49rD VVS2212 · 50rD VVS1136 · 42rI IF128 · 33rE VVS172 · 33rH IF63 · 20rH FL28 · 26rG IF26 · 13rE IF23 · 14rD IF14 · 13rI FL13 · 13rG FL11 · 11r

Stones at this spec now

Current examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

What this spec means

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Frequently asked

How much do retailers differ on the same diamond?

Across 2,980 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 77%, about SGD 4,504.

Can I see retailers for one exact grade?

Yes. Each of the 32 colour and clarity combinations above has its own page listing the retailers that stock exactly that grade.

Does Carat Hunter earn commission from these retailers?

No. We earn zero affiliate revenue from any retailer in our index.

How fresh is this data?

Listings refresh as we re-read each retailer, most of them every day. Static facts about each retailer refresh weekly.

How is the retailer ranking calculated?

Strictly by active inventory count for this exact spec. The retailer carrying the most stones at the spec ranks first. There is no editorial input, weighting or affiliate consideration.

Why do you not show per-retailer prices on this page?

Prices vary per stone, not per store. Click through to any matched diamond and you will see every retailer's price on the exact same physical stone, which is the meaningful comparison.