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Carat Hunter · Where to buy diamonds

Where to buy a 1.25ct lab-grown heart diamond

Every retailer in our index stocking this size and shape, 67 of them, across 20,138 current listings.

Updated November 7, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

20,138

Retailers carrying

67

Median confirmed price

€251

Grade combinations

26

Certificate mix:IGI 19,251 · GIA 433 · HRD 29 · GCAL 14

What it actually costs

Half of these diamonds are listed between €197 and €391 (as of November 7, 2026).

Lower 10% €177Median €251Upper 10% €1,110

Middle half listed between €197 to €391

Certificated stones with a recently confirmed price only, 1,717 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

As of November 7, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 21% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

Every retailer that stocks this spec

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

  1. 1NZ Jewellers1,201 in stock
    New Zealand·Founded 2006·GIA, HRD, IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  4. 4

    The Perfect Carat

    1,104 in stock
    US·GIA, HRD, IGI
    Terms not yet verified
  5. 5Aurelinne1,053 in stock
    United States·Founded 2021·GIA, HRD, IGI·Ships to Ireland
    Terms not yet verified
    Visit Aurelinne
  7. 7B2C Jewels947 in stock
    United States·Founded 2004·GIA, HRD, IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
Show 57 more retailers
  8. 18Cape Diamonds647 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to Ireland
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  9. 19

    Steven Stone

    597 in stock
    UK·GIA, IGI
    Terms not yet verified
  10. 20

    Luvansh

    574 in stock
    US
    Terms not yet verified
  15. 25Yorxs284 in stock
    Germany·Founded 2011·GIA, IGI
    Terms not yet verified
    Visit Yorxs
  19. 29

    SJ Gems

    208 in stock
    ZA·GIA, IGI
    Terms not yet verified
  20. 30

    Reeds

    157 in stock
    US·GCAL, IGI
    Terms not yet verified
  21. 31RockHer141 in stock
    United States·Founded 2016·GIA, IGI·Ships to Ireland
    Terms not yet verified
    Visit RockHer
  22. 32

    GemTrove

    138 in stock
    AU·GIA, IGI
    Terms not yet verified
  25. 35GemsNY115 in stock
    United States·Founded 1988·GIA, IGI·Ships to Ireland
    Terms not yet verified
    Visit GemsNY
  29. 39

    USA Jewels

    79 in stock
    US·IGI
    Terms not yet verified
  30. 40

    Keyzar

    53 in stock
    US·GIA, IGI
    Terms not yet verified
  32. 42

    Liori Diamonds

    26 in stock
    US·GIA, IGI
    Terms not yet verified
  34. 44Rare Carat22 in stock
    United States·Founded 2016·GIA, IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  37. 47Allurez19 in stock
    United States·Founded 2010·Ships to Ireland
    Terms not yet verified
    Visit Allurez
  41. 5125karats13 in stock
    United States·Founded 2008·IGI·60-day returns·Ships to Ireland
    Terms read on the retailer’s own site, June 15, 2026
    Visit 25karats
  42. 52

    Washington Diamond

    11 in stock
    US·GIA
    Terms not yet verified
  43. 53

    deBebians

    7 in stock
    US·GIA, IGI
    Terms not yet verified
  45. 55Jared3 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  47. 57Zales3 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  50. 60

    SkyGem

    2 in stock
    AU·IGI
    Terms not yet verified
  54. 64

    Lauren B

    1 in stock
    US
    Terms not yet verified
  57. 67ZCOVA1 in stock
    Malaysia·Founded 2015·IGI·Ships to Ireland
    Terms not yet verified
    Visit ZCOVA

Stock counts reflect current listings. 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.

29 of the 53 retailers with shipping details ship to Ireland. 24 do not. 14 retailers have not published any shipping details.

Narrow it down by grade

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

D VVS24,847 · 52rD VS13,035 · 48rD VVS12,780 · 45rE VVS22,362 · 47rE VS11,961 · 45rE VVS11,403 · 46rF VVS2682 · 44rF VS1555 · 39rE VS2547 · 40rD VS2481 · 38rD IF332 · 38rD FL187 · 30rG VVS2159 · 29rE IF158 · 36rF VVS1128 · 29rF VS2118 · 26rE SI164 · 23rE FL59 · 21rF IF59 · 27rG VS155 · 28rG VS254 · 22rH SI240 · 13rG VVS121 · 20rI VVS217 · 17rD SI113 · 12rG IF10 · 9r

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.
  • Lab-grown: chemically identical to natural diamonds, typically at least 90% less than a comparable natural cohort from 1 carat up.

Frequently asked

How much do retailers differ on the same diamond?

As of November 7, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 21% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

Can I see retailers for one exact grade?

Yes. Each of the 26 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.