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Carat Hunter · Where to buy diamonds

1ct · H · SI1 · Radiant · 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

2,027

Retailers carrying

58

Price range

€844 to
€5,861

Median confirmed price

€1,970

Certificate mix:GIA 1,728 · IGI 90 · HRD 7

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.

  2. 2NZ Jewellers136 in stock
    New Zealand·Founded 2006·GIA, HRD, IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  4. 4

    The Perfect Carat

    102 in stock
    US·GIA, HRD, IGI
    Terms not yet verified
  5. 5Rare Carat83 in stock
    United States·Founded 2016·GIA, IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  9. 9Yorxs69 in stock
    Germany·Founded 2011·GIA, IGI
    Terms not yet verified
    Visit Yorxs
  10. 10Allurez61 in stock
    United States·Founded 2010·Ships to Ireland
    Terms not yet verified
    Visit Allurez
Show 49 more retailers
  6. 16RockHer49 in stock
    United States·Founded 2016·GIA, IGI·Ships to Ireland
    Terms not yet verified
    Visit RockHer
  7. 17B2C Jewels48 in stock
    United States·Founded 2004·GIA, HRD, IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  8. 18Cape Diamonds47 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to Ireland
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  14. 24Jared32 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  16. 26Zales31 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  28. 38

    GemTrove

    15 in stock
    AU·GIA
    Terms not yet verified
  34. 44GemsNY8 in stock
    United States·Founded 1988·GIA·Ships to Ireland
    Terms not yet verified
    Visit GemsNY
  49. 59ZCOVA1 in stock
    Malaysia·Founded 2015·GIA·Ships to Ireland
    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 2,027 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 1ct natural radiant diamond, all grades

How pricing is spread at this spec

For the 429 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    €844
  • 10th percentile
    €1,268
  • Median
    €1,970
  • 75th percentile
    €2,593
  • 90th percentile
    €3,451
  • Highest confirmed
    €5,861

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 €1,268. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

496 of 2,027 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

1,728 of 2,027 (85%) carry GIA. 56 retailers stock GIA at this spec.

Want None or Faint fluorescence?

1,840 of 2,027 are graded None or Faint at this spec.

Shopping from Ireland?

32 of the 56 retailers with shipping details ship to Ireland. 24 do not. 3 retailers have not published any shipping details.

What this spec means

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • H colour: near-colourless, with a slight warm tint visible only against a colourless reference.
  • SI1 clarity: Slightly Included 1. Inclusions noticeable at 10x. Often still eye-clean depending on placement.
  • 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 1ct H SI1 radiant natural diamonds.

Compare Carbon Sparkle vs NZ Jewellers

Related specs

Slightly smaller carat

radiant-0-75ct-h-si1-natural

Slightly larger carat

radiant-1-25ct-h-si1-natural

One colour grade higher

radiant-1ct-g-si1-natural

One colour grade lower

radiant-1ct-i-si1-natural

One clarity grade higher

radiant-1ct-h-vs2-natural

One clarity grade lower

radiant-1ct-h-si2-natural

Same spec, lab grown

radiant-1ct-h-si1-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.