CaratHunter
Plans

Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct lab-grown princess diamond

Every retailer in our index stocking this size and shape, 49 of them, across 20,685 live listings.

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

The market at this size and shape

Active listings

20,685

Retailers carrying

49

Median active price

$254

Grade combinations

25

Certificate mix:IGI 19,357 · GIA 408 · GCAL 53

What it actually costs

Lower 10% $113Median $254Upper 10% $726

Middle half sell between $192 to $415

Certificated stones with a live price only, 3,580 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

176%

Typical difference

$393

Stones compared

2,262

Across 2,262 stones of this size and shape carried by more than one retailer, the dearest listing sits 176% above the cheapest for the identical certificated diamond, a typical gap of $393. 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
  4. 14Adiamor538 in stock
    United States·Founded 1999·30-day returns·Ships to United States
    Visit Adiamor

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

13 of the 25 retailers ship to United States. 12 do not.

Narrow it down by grade

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

D VVS25,722 · 42rD VVS15,328 · 35rD VS12,410 · 33rE VVS21,812 · 33rE VVS11,589 · 35rE VS11,139 · 31rD IF689 · 30rF VVS2473 · 26rD VS2417 · 30rE IF236 · 29rE VS2192 · 26rF VS1131 · 26rG VVS2104 · 19rF VS282 · 17rF VVS176 · 25rG VS164 · 15rH VVS234 · 17rG VS232 · 13rG VVS122 · 15rH VS122 · 14rH VS220 · 6rH VVS118 · 3rD FL17 · 12rI VVS214 · 8rH IF11 · 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

  • Princess: a square brilliant cut, second only to round in popularity.
  • 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 2,262 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 176%, about $393.

Can I see retailers for one exact grade?

Yes. Each of the 25 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 Princess Diamonds | Carat Hunter