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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct natural heart diamond

Every retailer in our index stocking this size and shape, 65 of them, across 19,122 current listings.

Updated November 3, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

19,122

Retailers carrying

65

Median confirmed price

£3,579

Grade combinations

30

Certificate mix:GIA 15,852 · IGI 1,537 · HRD 398

What it actually costs

Half of these diamonds are listed between £2,488 and £5,012 (as of November 3, 2026).

Lower 10% £1,909Median £3,579Upper 10% £6,892

Middle half listed between £2,488 to £5,012

Certificated stones with a recently confirmed price only, 3,731 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

81%

Typical difference

£2,615

Stones compared

2,931

Across 2,931 stones of this size and shape carried by more than one retailer, the dearest listing sits 81% above the cheapest for the identical certificated diamond, a typical gap of £2,615. 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 Jewellers1,506 in stock
    New Zealand·Founded 2006·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  6. 6Aurelinne724 in stock
    United States·Founded 2021·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Aurelinne
  7. 7

    The Perfect Carat

    674 in stock
    US
    Terms not yet verified
Show 15 more retailers
  1. 11Cape Diamonds581 in stock
    South Africa·Founded 2005·7-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  2. 12Moon Ocean565 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Moon Ocean
  3. 13RockHer562 in stock
    United States·Founded 2016·40-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit RockHer
  4. 14B2C Jewels512 in stock
    United States·Founded 2004·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  5. 15Brilliance485 in stock
    United States·Founded 2002·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Brilliance
  7. 17Blue Nile462 in stock
    United States·Founded 1999·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Blue Nile
  9. 19Ritani396 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Ritani
  12. 22Allurez351 in stock
    United States·Founded 2010·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Allurez

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.

19 of the 25 retailers ship to United Kingdom. 6 do not.

Narrow it down by grade

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

I VS21,427 · 51rG VS11,407 · 59rH VS11,374 · 57rH VS21,373 · 57rI VS11,094 · 51rG VS2983 · 56rD VS2983 · 55rF VS1965 · 59rH VVS2854 · 50rE VS1800 · 56rF VS2798 · 57rE VS2672 · 51rI VVS1671 · 45rD VS1644 · 53rH VVS1626 · 43rI VVS2611 · 46rG VVS2548 · 49rD VVS2524 · 49rE VVS2435 · 49rF VVS2434 · 50rG VVS1343 · 47rE VVS1320 · 49rD VVS1281 · 49rF VVS1211 · 43rH IF165 · 36rE IF154 · 38rG IF122 · 33rI IF120 · 26rD IF107 · 31rF IF72 · 25r

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

  • Heart: a brilliant cut with a cleft and a pointed tip, classic and recognizable.
  • 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 2,931 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 81%, about £2,615.

Can I see retailers for one exact grade?

Yes. Each of the 30 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.