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Carat Hunter · Where to buy diamonds

Where to buy a 0.75ct lab-grown radiant diamond

Every retailer in our index stocking this size and shape, 58 of them, across 26,514 current listings.

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

The market at this size and shape

Active listings

26,514

Retailers carrying

58

Median confirmed price

€278

Grade combinations

38

Certificate mix:IGI 25,408 · GIA 169 · GCAL 91 · HRD 3

What it actually costs

Half of these diamonds are listed between €150 and €453 (as of November 7, 2026).

Lower 10% €122Median €278Upper 10% €603

Middle half listed between €150 to €453

Certificated stones with a recently confirmed price only, 3,024 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

As of November 6, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 20% 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. 1Rare Carat1,570 in stock
    United States·Founded 2016·GCAL, GIA, IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  2. 2Carbon Sparkle1,552 in stock
    United States·GCAL, GIA, IGI·21-day returns·Ships to Ireland
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  3. 3

    The Perfect Carat

    1,493 in stock
    US·GCAL, GIA, IGI
    Terms not yet verified
  4. 4NZ Jewellers1,492 in stock
    New Zealand·Founded 2006·GCAL, GIA, IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  7. 7Aurelinne1,174 in stock
    United States·Founded 2021·GCAL, GIA, IGI·Ships to Ireland
    Terms not yet verified
    Visit Aurelinne
  9. 9B2C Jewels1,012 in stock
    United States·Founded 2004·GIA, IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
Show 48 more retailers
  9. 19Cape Diamonds608 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
  22. 32GemsNY197 in stock
    United States·Founded 1988·GCAL, IGI·Ships to Ireland
    Terms not yet verified
    Visit GemsNY
  24. 34Jared165 in stock
    United States·Founded 1993·GCAL, GIA, IGI
    Terms not yet verified
    Visit Jared
  25. 35Zales162 in stock
    United States·Founded 1924·GCAL, GIA, IGI
    Terms not yet verified
    Visit Zales
  28. 38Allurez130 in stock
    United States·Founded 2010·IGI·Ships to Ireland
    Terms not yet verified
    Visit Allurez
  37. 47

    Keyzar

    7 in stock
    US·IGI
    Terms not yet verified
  39. 49ZCOVA7 in stock
    Malaysia·Founded 2015·IGI·Ships to Ireland
    Terms not yet verified
    Visit ZCOVA
  43. 53RockHer2 in stock
    United States·Founded 2016·IGI·Ships to Ireland
    Terms not yet verified
    Visit RockHer
  44. 5425karats1 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
  45. 55

    Diamond Culture

    1 in stock
    HK·IGI
    Terms not yet verified
  46. 56

    GemTrove

    1 in stock
    AU·IGI
    Terms not yet verified
  47. 57

    Robbins Brothers

    1 in stock
    US·IGI
    Terms not yet verified

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.

31 of the 52 retailers with shipping details ship to Ireland. 21 do not. 6 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 VS14,025 · 50rD VVS24,003 · 49rD VVS13,164 · 51rE VS12,691 · 46rE VVS22,242 · 47rD IF1,409 · 47rF VVS21,201 · 45rF VS11,130 · 41rE VVS11,067 · 48rE VS2872 · 39rD VS2832 · 35rF VS2586 · 35rG VS1487 · 35rE IF385 · 43rG VVS2376 · 39rG VS2284 · 35rD FL270 · 34rH VS1212 · 33rH VS2183 · 31rF VVS1177 · 45rE SI1163 · 30rH VVS2125 · 31rF SI1124 · 26rD SI1122 · 29rF IF79 · 32rI VS150 · 18rF SI243 · 15rI VVS233 · 20rH SI129 · 18rH SI224 · 15rG SI118 · 11rE FL17 · 17rJ VS117 · 17rG VVS116 · 16rI SI114 · 12rI VS212 · 9rD SI211 · 11rH VVS111 · 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.
  • 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 6, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 20% 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 38 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.