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Carat Hunter · Where to buy diamonds

1ct · I · SI1 · Asscher · 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

759

Retailers carrying

53

Price range

$845 to
$5,088

Median confirmed price

$1,764

Certificate mix:GIA 671 · IGI 32 · HRD 1

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 Carat35 in stock
    United States·Founded 2016·GIA, IGI·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  5. 5Yorxs34 in stock
    Germany·Founded 2011·GIA, IGI
    Terms not yet verified
    Visit Yorxs
  7. 7NZ Jewellers29 in stock
    New Zealand·Founded 2006·GIA, IGI·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  8. 8Cape Diamonds28 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to United States
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  9. 9Allurez24 in stock
    United States·Founded 2010·GIA·Ships to United States
    Terms not yet verified
    Visit Allurez
Show 43 more retailers
  1. 11Adiamor23 in stock
    United States·Founded 1999·GIA·Ships to United States
    Terms not yet verified
    Visit Adiamor
  2. 12Aurelinne23 in stock
    United States·Founded 2021·GIA, IGI·Ships to United States
    Terms not yet verified
    Visit Aurelinne
  3. 13B2C Jewels23 in stock
    United States·Founded 2004·GIA, IGI·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  4. 14Ritani23 in stock
    United States·Founded 1999·GIA·Ships to United States
    Terms not yet verified
    Visit Ritani
  5. 15Jared21 in stock
    United States·Founded 1993·GIA·Ships to United States
    Terms not yet verified
    Visit Jared
  7. 17

    The Perfect Carat

    21 in stock
    US·GIA, IGI·Ships to United States
    Terms not yet verified
  8. 18Zales21 in stock
    United States·Founded 1924·GIA·Ships to United States
    Terms not yet verified
    Visit Zales
  12. 22RockHer19 in stock
    United States·Founded 2016·GIA, IGI·Ships to United States
    Terms not yet verified
    Visit RockHer
  22. 32

    GemTrove

    8 in stock
    AU·GIA, IGI
    Terms not yet verified
  25. 35GemsNY6 in stock
    United States·Founded 1988·GIA·Ships to United States
    Terms not yet verified
    Visit GemsNY
  38. 48Shane Co2 in stock
    United States·Founded 1971·GIA·Ships to United States
    Terms not yet verified
    Visit Shane Co

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 759 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 asscher diamond, all grades

How pricing is spread at this spec

For the 179 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    $845
  • 10th percentile
    $1,189
  • Median
    $1,764
  • 75th percentile
    $2,276
  • 90th percentile
    $2,989
  • Highest confirmed
    $5,088

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 $1,189. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

167 of 759 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

671 of 759 (88%) carry GIA. 52 retailers stock GIA at this spec.

Want None or Faint fluorescence?

677 of 759 are graded None or Faint at this spec.

Shopping from United States?

45 of the 51 retailers with shipping details ship to United States. 6 do not. 2 retailers have not published any shipping details.

What this spec means

  • Asscher: a square step cut with cropped corners.
  • I color: near-colorless, with a faint warm tint just detectable in larger stones.
  • 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 I SI1 asscher natural diamonds.

Compare Diamond Wish vs 77 Diamonds

Related specs

Slightly smaller carat

asscher-0-75ct-i-si1-natural

Slightly larger carat

asscher-1-25ct-i-si1-natural

One colour grade higher

asscher-1ct-h-si1-natural

One colour grade lower

asscher-1ct-j-si1-natural

One clarity grade higher

asscher-1ct-i-vs2-natural

One clarity grade lower

asscher-1ct-i-si2-natural

Same spec, lab grown

asscher-1ct-i-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.