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Carat Hunter · Where to buy diamonds

Where to buy a 1ct lab-grown heart diamond

Every retailer in our index stocking this size and shape, 58 of them, across 108,622 current listings.

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

The market at this size and shape

Active listings

108,622

Retailers carrying

58

Median confirmed price

£195

Grade combinations

29

Certificate mix:IGI 104,125 · GIA 1,392 · GCAL 117 · HRD 19

What it actually costs

Half of these diamonds are listed between £149 and £310 (as of October 30, 2026).

Lower 10% £135Median £195Upper 10% £873

Middle half listed between £149 to £310

Certificated stones with a recently confirmed price only, 13,202 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

248%

Typical difference

£553

Stones compared

10,261

Across 10,261 stones of this size and shape carried by more than one retailer, the dearest listing sits 248% above the cheapest for the identical certificated diamond, a typical gap of £553. 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.

  5. 5Adiamor5,282 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  7. 7Aurelinne5,226 in stock
    United States·Founded 2021·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Aurelinne
  8. 8NZ Jewellers5,219 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
  10. 10B2C Jewels4,955 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
Show 15 more retailers
  1. 11

    The Perfect Carat

    4,567 in stock
    US
    Terms not yet verified
  3. 13Moon Ocean3,853 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Moon Ocean
  6. 16Cape Diamonds3,610 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
  14. 24Yorxs1,920 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs

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.

15 of the 25 retailers ship to United Kingdom. 10 do not.

Narrow it down by grade

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

D VVS225,957 · 47rD VS115,743 · 49rE VVS213,505 · 48rD VVS112,835 · 48rE VS111,791 · 47rE VVS14,851 · 42rF VVS24,451 · 43rD IF3,981 · 44rF VS13,093 · 40rD VS22,648 · 40rE VS22,643 · 38rD FL1,627 · 30rF VVS11,123 · 38rG VS1941 · 34rG VVS2865 · 33rE IF837 · 40rF VS2633 · 35rE FL367 · 27rG VVS1187 · 32rG VS2142 · 28rH VVS2106 · 26rH VS1103 · 28rF FL56 · 20rI VVS236 · 20rH VVS126 · 22rF IF22 · 12rH VS220 · 18rI VS118 · 15rI VS214 · 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

  • 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?

Across 10,261 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 248%, about £553.

Can I see retailers for one exact grade?

Yes. Each of the 29 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.