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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct lab-grown asscher diamond

Every retailer in our index stocking this size and shape, 33 of them, across 3,633 live listings.

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

The market at this size and shape

Active listings

3,633

Retailers carrying

33

Median active price

£280

Grade combinations

15

Certificate mix:IGI 3,206 · GCAL 84 · GIA 77

What it actually costs

Lower 10% £109Median £280Upper 10% £594

Middle half sell between £172 to £405

Certificated stones with a live price only, 671 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

216%

Typical difference

£369

Stones compared

348

Across 348 stones of this size and shape carried by more than one retailer, the dearest listing sits 216% above the cheapest for the identical certificated diamond, a typical gap of £369. 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 June 15, 2026.

Narrow it down by grade

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

D VVS21,330 · 30rD VS1581 · 25rD VVS1517 · 23rE VVS2351 · 28rE VS1177 · 23rD IF156 · 22rD VS2129 · 21rD FL95 · 16rE VVS184 · 19rF VVS265 · 18rF VS155 · 14rE VS226 · 14rE IF17 · 17rG VVS216 · 11rG VVS112 · 9r

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

  • Asscher: a square step cut with cropped corners.
  • 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 348 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 216%, about £369.

Can I see retailers for one exact grade?

Yes. Each of the 15 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.