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Carat Hunter · Where to buy diamonds

0.5ct · I · VS1 · Radiant · Natural

Live snapshot of every retailer carrying this exact spec today.

Updated July 30, 2026 · Independent. Zero affiliate revenue.

Market at this spec

Active listings

441

Retailers carrying

43

Price range

£234 to
£1,629

Median active price

£537

Certificate mix:GIA 354 · 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
  11. 21

    Calavera New York

    8 in stock
    US·GIA, IGI
  15. 25

    Carbon Sparkle

    8 in stock
    US·GIA, IGI

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

Explore all 441 stones in this cohort

How pricing is spread at this spec

For all 441 active listings at this spec, the price distribution looks like this:

  • Lowest active
    £234
  • 10th percentile
    £365
  • Median
    £537
  • 75th percentile
    £749
  • 90th percentile
    £947
  • Highest active
    £1,629

The 7.0x 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 £365. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

71 of 441 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

354 of 441 (80%) carry GIA. 24 retailers stock GIA at this spec.

Want None or Faint fluorescence?

435 of 441 are graded None or Faint at this spec.

What this spec means

  • Radiant: a rectangular brilliant cut, combines emerald shape with round-style faceting.
  • I colour: near-colourless, faint warm tint just detectable in larger stones.
  • VS1 clarity: very slight inclusions, eye-clean to virtually everyone.
  • 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 I VS1 radiant natural diamonds.

Compare Jogia Diamonds vs Allurez

Related specs

Slightly larger carat

radiant-0-75ct-i-vs1-natural

One colour grade higher

radiant-0-5ct-h-vs1-natural

One clarity grade higher

radiant-0-5ct-i-vvs2-natural

One clarity grade lower

radiant-0-5ct-i-vs2-natural

Same spec, lab grown

radiant-0-5ct-i-vs1-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.

Where to Buy 0.5ct I VS1 Radiant Natural Diamonds | Carat Hunter