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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct natural round diamond

Every retailer in our index stocking this size and shape, 74 of them, across 682,212 live listings.

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

The market at this size and shape

Active listings

682,212

Retailers carrying

74

Median active price

HK$6,843

Grade combinations

36

Certificate mix:GIA 545,307 · IGI 96,288 · HRD 10,931 · AGS 15

What it actually costs

Lower 10% HK$4,139Median HK$6,843Upper 10% HK$11,792

Middle half sell between HK$5,208 to HK$9,185

Certificated stones with a live price only, 233,761 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

34%

Typical difference

HK$2,078

Stones compared

126,023

Across 126,023 stones of this size and shape carried by more than one retailer, the dearest listing sits 34% above the cheapest for the identical certificated diamond, a typical gap of HK$2,078. 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
  9. 19

    GemTrove

    12,428 in stock
    AU

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 VVS153,500 · 60rD VVS234,300 · 62rE VVS132,237 · 63rF VVS130,205 · 60rD VS127,533 · 60rF VS227,147 · 65rG VS227,144 · 65rG VVS127,037 · 59rG VS124,701 · 61rH VVS124,293 · 59rH VS124,264 · 61rH VS224,196 · 63rH VVS223,099 · 59rF VS122,750 · 65rD VS222,587 · 63rE VS221,921 · 64rE VS121,762 · 63rI VVS121,026 · 53rF VVS219,593 · 64rE VVS219,291 · 62rG VVS219,205 · 62rD IF18,989 · 61rI VS118,823 · 56rI VS218,191 · 56rI VVS217,379 · 54rF IF14,034 · 56rG IF13,098 · 59rE IF12,586 · 58rH IF9,547 · 54rI IF6,454 · 50rD FL3,433 · 39rE FL661 · 30rF FL538 · 23rG FL505 · 18rH FL123 · 15rI FL60 · 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

  • Round: the most common cut, with the highest light return per carat.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Frequently asked

How much do retailers differ on the same diamond?

Across 126,023 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 34%, about HK$2,078.

Can I see retailers for one exact grade?

Yes. Each of the 36 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.