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Carat Hunter · Where to buy diamonds

0.5ct · F · SI2 · Round · Natural

Every retailer carrying this exact spec, from our latest listings.

Updated November 6, 2026 · Independent. Zero affiliate revenue.

Market at this spec

Active listings

23,140

Retailers carrying

62

Price range

CA$335 to
CA$3,520

Median confirmed price

CA$1,009

Certificate mix:GIA 16,907 · HRD 2,877 · IGI 2,031 · AGS 17

Range and median take each diamond at this spec at its cheapest recently confirmed price. They are cohort statistics, not per-retailer pricing claims.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  3. 3Rare Carat1,391 in stock
    United States·Founded 2016·AGS, GIA, HRD, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  5. 5NZ Jewellers1,357 in stock
    New Zealand·Founded 2006·GIA, HRD, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  6. 6Yorxs1,305 in stock
    Germany·Founded 2011·GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
Show 51 more retailers
  1. 11Allurez753 in stock
    United States·Founded 2010·GIA, HRD·Ships to Canada
    Terms not yet verified
    Visit Allurez
  2. 12

    The Perfect Carat

    645 in stock
    US·GIA, HRD, IGI
    Terms not yet verified
  4. 14B2C Jewels504 in stock
    United States·Founded 2004·AGS, GIA, HRD, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  16. 26Ritani255 in stock
    United States·Founded 1999·GIA, IGI·Ships to Canada
    Terms not yet verified
    Visit Ritani
  23. 33Adiamor132 in stock
    United States·Founded 1999·AGS, GIA, IGI·Ships to Canada
    Terms not yet verified
    Visit Adiamor
  30. 40Zales32 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  31. 41Jared31 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  42. 52

    GemTrove

    2 in stock
    AU·GIA
    Terms not yet verified
  51. 61ZCOVA1 in stock
    Malaysia·Founded 2015·GIA·Ships to Canada
    Terms not yet verified
    Visit ZCOVA

Stock counts reflect current listings. Founded and shipping details come from public sources. Return terms are our summary of each retailer's own policy page, dated per retailer above. Retailers change their terms, so check the retailer's own returns and shipping pages before you buy.

Explore all 23,140 stones in this cohort

Stones at this spec now

Current examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

See every 0.5ct natural round diamond, all grades

How pricing is spread at this spec

For the 8,340 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    CA$335
  • 10th percentile
    CA$643
  • Median
    CA$1,009
  • 75th percentile
    CA$1,355
  • 90th percentile
    CA$1,830
  • Highest confirmed
    CA$3,520

Cohort distribution only. No retailer named adjacent to a dollar figure in this section.

How to pick

Lowest price floor for the spec?

The cheapest confirmed prices start around CA$643. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

13,181 of 23,140 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

16,907 of 23,140 (73%) carry GIA. 58 retailers stock GIA at this spec.

Want None or Faint fluorescence?

21,354 of 23,140 are graded None or Faint at this spec.

Shopping from Canada?

36 of the 58 retailers with shipping details ship to Canada. 22 do not. 3 retailers have not published any shipping details.

What this spec means

  • Round: the most common cut, with the highest light return per carat.
  • F color: colorless, with a slight tint detectable only by experts under controlled light.
  • SI2 clarity: Slightly Included 2. Inclusions easy to see at 10x. May be visible to the unaided eye in some stones.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Compare the top retailers carrying this spec

Side-by-side facts for the two stores carrying the most 0.5ct F SI2 round natural diamonds.

Compare Diamond Quarter vs Fonder Diamond

Related specs

Slightly larger carat

round-0-75ct-f-si2-natural

One colour grade higher

round-0-5ct-e-si2-natural

One colour grade lower

round-0-5ct-g-si2-natural

One clarity grade higher

round-0-5ct-f-si1-natural

Same spec, lab grown

round-0-5ct-f-si2-lab

Frequently asked

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?

Listings refresh as we re-read each retailer, most of them every day. Static facts about each retailer refresh weekly.

Why is one retailer cheaper for the same certificate?

Markup and overhead vary by retailer. The same physical diamond can list at very different prices across stores. See our cross-retailer analysis for the structural reasons.

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 F SI2 Round Natural Diamonds | Carat Hunter