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Carat Hunter · Where to buy diamonds

Where to buy a 1ct lab-grown round diamond

Every retailer in our index stocking this size and shape, 68 of them, across 946,315 current listings.

Updated October 30, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

946,315

Retailers carrying

68

Median confirmed price

£193

Grade combinations

32

Certificate mix:IGI 907,672 · GIA 6,206 · GCAL 4,910 · HRD 230 · AGS 8

What it actually costs

Half of these diamonds are listed between £137 and £276 (as of October 30, 2026).

Lower 10% £122Median £193Upper 10% £425

Middle half listed between £137 to £276

Certificated stones with a recently confirmed price only, 82,343 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

300%

Typical difference

£564

Stones compared

63,473

Across 63,473 stones of this size and shape carried by more than one retailer, the dearest listing sits 300% above the cheapest for the identical certificated diamond, a typical gap of £564. 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. 1Aurelinne62,919 in stock
    United States·Founded 2021·30-day returns·Ships to Ireland
    Terms not yet verified
    Visit Aurelinne
  5. 5NZ Jewellers50,154 in stock
    New Zealand·Founded 2006·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  8. 8

    The Perfect Carat

    43,184 in stock
    US
    Terms not yet verified
  10. 10B2C Jewels41,433 in stock
    United States·Founded 2004·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
Show 15 more retailers
  4. 14Cape Diamonds30,456 in stock
    South Africa·Founded 2005·7-day returns·Ships to Ireland
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  5. 15Yorxs28,789 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  6. 16Adiamor28,008 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  10. 20Rare Carat19,338 in stock
    United States·Founded 2016·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat

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.

14 of the 25 retailers ship to Ireland. 11 do not.

Narrow it down by grade

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

D VVS2280,776 · 60rD VS1147,058 · 61rD VVS1131,686 · 58rE VVS277,980 · 58rE VS155,591 · 54rE VVS142,397 · 56rD VS233,233 · 51rD IF28,203 · 55rF VVS226,390 · 50rE VS225,198 · 50rD FL23,884 · 43rF VS120,727 · 48rF VVS19,925 · 46rE IF8,812 · 47rG VS17,224 · 40rG VVS27,190 · 47rF VS25,772 · 44rE FL2,517 · 34rG VVS12,118 · 40rG VS22,094 · 38rF IF2,046 · 41rH VVS21,775 · 35rH VS11,746 · 37rG IF498 · 26rI VS1365 · 27rH VVS1271 · 25rH VS2227 · 26rI VVS2214 · 22rF FL208 · 26rI VS2106 · 21rH IF55 · 25rI VVS113 · 10r

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

  • Round: the most common cut, with the highest light return per carat.
  • 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?

Across 63,473 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 300%, about £564.

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.

Where to Buy 1ct Lab Grown Round Diamonds | Carat Hunter