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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct lab-grown oval diamond

Every retailer in our index stocking this size and shape, 51 of them, across 71,657 live listings.

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

The market at this size and shape

Active listings

71,657

Retailers carrying

51

Median active price

CA$355

Grade combinations

32

Certificate mix:IGI 65,388 · GIA 1,753 · GCAL 47 · HRD 37

What it actually costs

Lower 10% CA$178Median CA$355Upper 10% CA$973

Middle half sell between CA$254 to CA$532

Certificated stones with a live price only, 15,448 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

132%

Typical difference

CA$411

Stones compared

9,719

Across 9,719 stones of this size and shape carried by more than one retailer, the dearest listing sits 132% above the cheapest for the identical certificated diamond, a typical gap of CA$411. 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.

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 VVS220,055 · 44rD VVS118,999 · 40rD VS19,225 · 38rD IF4,655 · 34rE VVS24,524 · 40rE VS13,179 · 38rE VVS12,398 · 39rD VS22,077 · 32rE VS21,111 · 28rF VVS2889 · 34rF VS1772 · 31rE IF484 · 34rF VS2438 · 25rG VS1313 · 26rH VS1307 · 21rF VVS1231 · 31rG VS2222 · 20rI VS2222 · 16rG VVS2219 · 21rD FL200 · 21rI VS1194 · 20rH VVS2162 · 24rH VS2161 · 20rH VVS1108 · 24rI VVS2106 · 13rG VVS1106 · 20rI VVS191 · 17rF IF89 · 25rG IF57 · 14rH IF27 · 5rI IF25 · 7rE FL11 · 11r

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

  • Oval: an elongated brilliant cut that looks larger face-up than its carat weight.
  • 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 9,719 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 132%, about CA$411.

Can I see retailers for one exact grade?

Yes. Each of the 32 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 0.5ct Lab Grown Oval Diamonds | Carat Hunter