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Carat Hunter · Where to buy diamonds

Where to buy a 2ct lab-grown radiant diamond

Every retailer in our index stocking this size and shape, 60 of them, across 141,957 live listings.

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

The market at this size and shape

Active listings

141,957

Retailers carrying

60

Median active price

A$1,076

Grade combinations

32

Certificate mix:IGI 123,495 · GIA 13,923 · GCAL 2,246 · HRD 3

What it actually costs

Lower 10% A$509Median A$1,076Upper 10% A$3,895

Middle half sell between A$778 to A$2,353

Certificated stones with a live price only, 36,395 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

214%

Typical difference

A$1,802

Stones compared

19,795

Across 19,795 stones of this size and shape carried by more than one retailer, the dearest listing sits 214% above the cheapest for the identical certificated diamond, a typical gap of A$1,802. 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

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

2 of the 25 retailers ship to Australia. 23 do not.

Narrow it down by grade

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

E VS121,038 · 47rE VVS218,324 · 46rD VVS216,437 · 55rD VS115,168 · 46rD VVS112,831 · 42rF VVS29,230 · 47rF VS18,465 · 45rD IF7,422 · 39rE VVS15,630 · 42rG VS15,605 · 45rD FL3,628 · 28rG VVS23,269 · 36rE VS23,267 · 38rD VS22,184 · 38rG VS21,576 · 33rF VS21,473 · 37rF VVS11,442 · 38rE IF1,328 · 32rH VS11,093 · 31rH VVS2734 · 34rH VS2447 · 32rG VVS1379 · 27rE FL289 · 22rF IF266 · 29rG IF147 · 24rI VS180 · 20rH VVS175 · 20rF FL34 · 13rI VS229 · 15rH IF27 · 16rI VVS224 · 13rG FL13 · 12r

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

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • 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 19,795 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 214%, about A$1,802.

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?

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 2ct Lab Grown Radiant Diamonds | Carat Hunter