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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, 54 of them, across 19,043 current listings.

Updated November 2, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

19,043

Retailers carrying

54

Median confirmed price

SGD 360

Grade combinations

23

Certificate mix:IGI 18,230 · GIA 399 · HRD 29 · GCAL 14

What it actually costs

Half of these diamonds are listed between SGD 286 and SGD 561 (as of November 2, 2026).

Lower 10% SGD 260Median SGD 360Upper 10% SGD 1,490

Middle half listed between SGD 286 to SGD 561

Certificated stones with a recently confirmed price only, 1,676 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

430%

Typical difference

SGD 1,356

Stones compared

1,380

Across 1,380 stones of this size and shape carried by more than one retailer, the dearest listing sits 430% above the cheapest for the identical certificated diamond, a typical gap of SGD 1,356. 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 Jewellers1,107 in stock
    New Zealand·Founded 2006·30-day returns·Ships to Singapore
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  4. 4

    The Perfect Carat

    991 in stock
    US
    Terms not yet verified
  6. 6B2C Jewels973 in stock
    United States·Founded 2004·30-day returns·Ships to Singapore
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  7. 7Aurelinne959 in stock
    United States·Founded 2021·30-day returns·Ships to Singapore
    Terms not yet verified
    Visit Aurelinne
Show 15 more retailers
  6. 16Cape Diamonds613 in stock
    South Africa·Founded 2005·7-day returns·Ships to Singapore
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  13. 23Yorxs278 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.

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

Narrow it down by grade

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

D VVS24,674 · 48rD VS12,851 · 44rD VVS12,540 · 40rE VVS22,267 · 44rE VS11,927 · 42rE VVS11,297 · 44rF VVS2664 · 41rF VS1525 · 39rE VS2521 · 37rD VS2481 · 36rD IF329 · 36rG VVS2160 · 29rD FL153 · 27rE IF151 · 35rF VS2132 · 26rF VVS1124 · 27rF IF58 · 27rG VS249 · 21rG VS145 · 24rE FL40 · 20rG VVS121 · 20rI VVS216 · 16rG IF11 · 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

  • 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 1,380 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 430%, about SGD 1,356.

Can I see retailers for one exact grade?

Yes. Each of the 23 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 1.25ct Lab Grown Heart Diamonds | Carat Hunter