Carat Hunter · Where to buy diamonds

Where to buy a 1.25ct lab-grown round diamond

Every retailer in our index stocking this size and shape, 67 of them, across 191,075 live listings.

Updated September 16, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

191,075

Retailers carrying

67

Median active price

HK$2,832

Grade combinations

33

Certificate mix:IGI 182,477 · GIA 3,241 · GCAL 1,672 · HRD 59 · AGS 1

What it actually costs

Lower 10% HK$1,169Median HK$2,832Upper 10% HK$9,021

Middle half sell between HK$1,836 to HK$4,001

Certificated stones with a live price only, 28,487 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

215%

Typical difference

HK$5,254

Stones compared

19,591

Across 19,591 stones of this size and shape carried by more than one retailer, the dearest listing sits 215% above the cheapest for the identical certificated diamond, a typical gap of HK$5,254. 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
  1. 21

    GemTrove

    2,344 in stock
    AU

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

Narrow it down by grade

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

D VVS246,297 · 63rD VS134,248 · 54rD VVS120,112 · 48rE VVS216,703 · 49rE VS114,235 · 49rD VS210,280 · 43rE VVS17,162 · 50rF VVS26,280 · 49rF VS15,878 · 44rE VS24,518 · 44rD IF3,968 · 48rG VVS23,443 · 39rD FL3,411 · 33rG VS12,999 · 41rF VVS11,857 · 41rF VS21,835 · 37rE IF1,467 · 37rH VVS21,242 · 37rH VS11,241 · 36rG VS2790 · 30rG VVS1595 · 34rH VS2537 · 28rH VVS1363 · 29rE FL361 · 23rF IF304 · 30rI VS1266 · 22rI VS2247 · 24rI VVS2186 · 22rG IF92 · 28rF FL61 · 20rI VVS160 · 18rI IF17 · 5rH IF14 · 3r

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

  • Round: the most common cut, with the highest light return per carat.
  • 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 19,591 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 215%, about HK$5,254.

Can I see retailers for one exact grade?

Yes. Each of the 33 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?

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.