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Carat Hunter · Where to buy diamonds

0.5ct · F · IF · Radiant · Natural

Live snapshot of every retailer carrying this exact spec today.

Updated June 3, 2026 · Independent. Zero affiliate revenue.

Market at this spec

Active listings

458

Retailers carrying

32

Price range

£445 to
£1,600

Median active price

£758

Certificate mix:GIA 420 · IGI 18

Range and median are cohort statistics across every active listing at this spec. They are not per-retailer pricing claims.

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 March 7, 2026.

Explore all 458 stones in this cohort

How pricing is spread at this spec

For all 458 active listings at this spec, the price distribution looks like this:

  • Lowest active
    £445
  • 10th percentile
    £548
  • Median
    £758
  • 75th percentile
    £865
  • 90th percentile
    £1,028
  • Highest active
    £1,600

The 3.6x spread from lowest to highest active price is normal for cohorts at this spec. Differences reflect cert lab, cut quality, brand premium and inclusions visibility.

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 active listings start around £548. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

182 of 458 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

420 of 458 (92%) carry GIA. 25 retailers stock GIA at this spec.

Want None or Faint fluorescence?

443 of 458 are graded None or Faint at this spec.

Shopping from United Kingdom?

8 of the 25 retailers ship to United Kingdom. 17 do not.

What this spec means

  • Radiant: a rectangular brilliant cut, combines emerald shape with round-style faceting.
  • F colour: colourless, slight tint detectable only by experts under controlled light.
  • IF clarity: internally flawless, no internal imperfections, surface marks only.
  • 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 IF radiant natural diamonds.

Compare Michael Trio vs 77 Diamonds

Related specs

Slightly larger carat

radiant-0-75ct-f-if-natural

One colour grade higher

radiant-0-5ct-e-if-natural

One colour grade lower

radiant-0-5ct-g-if-natural

One clarity grade higher

radiant-0-5ct-f-fl-natural

One clarity grade lower

radiant-0-5ct-f-vvs1-natural

Same spec, lab grown

radiant-0-5ct-f-if-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?

Live listings refresh daily. 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.