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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, 48 of them, across 8,573 live listings.

Updated September 14, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

8,573

Retailers carrying

48

Median active price

CA$586

Grade combinations

20

Certificate mix:IGI 8,068 · GIA 280 · GCAL 12 · HRD 11

What it actually costs

Lower 10% CA$255Median CA$586Upper 10% CA$2,116

Middle half sell between CA$460 to CA$918

Certificated stones with a live price only, 2,127 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

157%

Typical difference

CA$951

Stones compared

1,476

Across 1,476 stones of this size and shape carried by more than one retailer, the dearest listing sits 157% above the cheapest for the identical certificated diamond, a typical gap of CA$951. 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.

Show 15 more retailers
  8. 18

    GemTrove

    113 in stock
    AU

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified September 2, 2026.

3 of the 25 retailers ship to Canada. 22 do not.

Narrow it down by grade

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

D VVS22,087 · 44rD VS11,468 · 34rE VS11,061 · 35rE VVS2957 · 34rD VVS1753 · 30rE VVS1444 · 36rF VVS2301 · 29rF VS1270 · 34rD VS2265 · 28rE VS2259 · 31rG VVS2150 · 24rD IF137 · 27rF VS297 · 23rD FL56 · 17rE IF51 · 19rF VVS149 · 20rG VS146 · 20rG VS237 · 19rF IF20 · 15rG VVS114 · 13r

Stones at this spec now

Live 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 60% to 80% less than a comparable natural cohort.

Frequently asked

How much do retailers differ on the same diamond?

Across 1,476 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 157%, about CA$951.

Can I see retailers for one exact grade?

Yes. Each of the 20 color 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?

Live listings refresh daily. 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