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Carat Hunter · Where to buy diamonds

1ct · K · SI2 · 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

77

Retailers carrying

23

Price range

SGD 1,024 to
SGD 4,188

Median confirmed price

SGD 1,553

Certificate mix:GIA 74

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.

  7. 7NZ Jewellers5 in stock
    New Zealand·Founded 2006·GIA·30-day returns·Ships to Singapore
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  9. 9Allurez3 in stock
    United States·Founded 2010·Ships to Singapore
    Terms not yet verified
    Visit Allurez
Show 13 more retailers
  2. 12

    The Perfect Carat

    3 in stock
    US·GIA
    Terms not yet verified
  4. 14Rare Carat2 in stock
    United States·Founded 2016·GIA·30-day returns·Ships to Singapore
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  9. 19

    GemTrove

    1 in stock
    AU·GIA
    Terms not yet verified
  13. 23ZCOVA1 in stock
    Malaysia·Founded 2015·GIA·Ships to Singapore
    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 77 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 15 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    SGD 1,024
  • 10th percentile
    SGD 1,115
  • Median
    SGD 1,553
  • 75th percentile
    SGD 2,361
  • 90th percentile
    SGD 3,366
  • Highest confirmed
    SGD 4,188

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 SGD 1,115. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

3 of 77 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

74 of 77 (96%) carry GIA. 22 retailers stock GIA at this spec.

Want None or Faint fluorescence?

69 of 77 are graded None or Faint at this spec.

Shopping from Singapore?

16 of the 20 retailers with shipping details ship to Singapore. 4 do not. 3 retailers have not published any shipping details.

What this spec means

  • Asscher: a square step cut with cropped corners.
  • K colour: Faint tint. Noticeable warmth even face-up, particularly in white-metal settings.
  • 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 1ct K SI2 asscher natural diamonds.

Compare Calavera New York vs 77 Diamonds

Related specs

Slightly smaller carat

asscher-0-75ct-k-si2-natural

Slightly larger carat

asscher-1-25ct-k-si2-natural

One colour grade higher

asscher-1ct-j-si2-natural

One clarity grade higher

asscher-1ct-k-si1-natural

Same spec, lab grown

asscher-1ct-k-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 1ct K SI2 Asscher Natural Diamonds | Carat Hunter