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Carat Hunter · Where to buy diamonds

0.5ct · E · 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

245

Retailers carrying

43

Price range

CA$488 to
CA$1,936

Median confirmed price

CA$909

Certificate mix:GIA 200 · IGI 30

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. 2Rare Carat22 in stock
    United States·Founded 2016·GIA·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  6. 6Cape Diamonds9 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to Canada
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  10. 10Yorxs9 in stock
    Germany·Founded 2011·GIA, IGI
    Terms not yet verified
    Visit Yorxs
Show 33 more retailers
  5. 15Ritani6 in stock
    United States·Founded 1999·GIA·Ships to Canada
    Terms not yet verified
    Visit Ritani
  6. 16Adiamor5 in stock
    United States·Founded 1999·GIA·Ships to Canada
    Terms not yet verified
    Visit Adiamor
  7. 17RockHer5 in stock
    United States·Founded 2016·GIA, IGI·Ships to Canada
    Terms not yet verified
    Visit RockHer
  9. 19ZCOVA5 in stock
    Malaysia·Founded 2015·GIA·Ships to Canada
    Terms not yet verified
    Visit ZCOVA
  11. 21Jared4 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  13. 23Zales4 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  16. 26NZ Jewellers3 in stock
    New Zealand·Founded 2006·GIA, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  19. 29B2C Jewels2 in stock
    United States·Founded 2004·GIA·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  32. 42

    The Perfect Carat

    1 in stock
    US·GIA
    Terms not yet verified

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 245 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 0.5ct natural asscher diamond, all grades

How pricing is spread at this spec

For the 98 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    CA$488
  • 10th percentile
    CA$619
  • Median
    CA$909
  • 75th percentile
    CA$1,133
  • 90th percentile
    CA$1,270
  • Highest confirmed
    CA$1,936

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 CA$619. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

38 of 245 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

200 of 245 (82%) carry GIA. 41 retailers stock GIA at this spec.

Want None or Faint fluorescence?

235 of 245 are graded None or Faint at this spec.

Shopping from Canada?

29 of the 41 retailers with shipping details ship to Canada. 12 do not. 2 retailers have not published any shipping details.

What this spec means

  • Asscher: a square step cut with cropped corners.
  • E color: colorless, indistinguishable from D to most viewers.
  • 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 0.5ct E SI1 asscher natural diamonds.

Compare 77 Diamonds vs Rare Carat

Related specs

Slightly larger carat

asscher-0-75ct-e-si1-natural

One colour grade higher

asscher-0-5ct-d-si1-natural

One colour grade lower

asscher-0-5ct-f-si1-natural

One clarity grade higher

asscher-0-5ct-e-vs2-natural

One clarity grade lower

asscher-0-5ct-e-si2-natural

Same spec, lab grown

asscher-0-5ct-e-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.

Where to Buy 0.5ct E SI1 Asscher Natural Diamonds | Carat Hunter