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Carat Hunter · Where to buy diamonds

0.5ct · H · SI2 · Cushion · 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

173

Retailers carrying

38

Price range

$240 to
$1,245

Median confirmed price

$521

Certificate mix:GIA 136 · IGI 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. 2Rare Carat14 in stock
    United States·Founded 2016·GIA·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  5. 5Allurez8 in stock
    United States·Founded 2010·Ships to United States
    Terms not yet verified
    Visit Allurez
  7. 7Yorxs8 in stock
    Germany·Founded 2011·GIA, IGI
    Terms not yet verified
    Visit Yorxs
  10. 10Shane Co7 in stock
    United States·Founded 1971·GSI·Ships to United States
    Terms not yet verified
    Visit Shane Co
Show 28 more retailers
  1. 11B2C Jewels6 in stock
    United States·Founded 2004·GIA·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  6. 16Ritani4 in stock
    United States·Founded 1999·GIA·Ships to United States
    Terms not yet verified
    Visit Ritani
  7. 17Adiamor3 in stock
    United States·Founded 1999·GIA·Ships to United States
    Terms not yet verified
    Visit Adiamor
  14. 24Jared2 in stock
    United States·Founded 1993·GIA·Ships to United States
    Terms not yet verified
    Visit Jared
  16. 26Zales2 in stock
    United States·Founded 1924·GIA·Ships to United States
    Terms not yet verified
    Visit Zales
  21. 31GemsNY1 in stock
    United States·Founded 1988·GIA·Ships to United States
    Terms not yet verified
    Visit GemsNY
  28. 38ZCOVA1 in stock
    Malaysia·Founded 2015·GIA·Ships to United States
    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 173 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 cushion diamond, all grades

How pricing is spread at this spec

For the 84 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    $240
  • 10th percentile
    $377
  • Median
    $521
  • 75th percentile
    $700
  • 90th percentile
    $904
  • Highest confirmed
    $1,245

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 $377. Use the explorer to sort by price.

Sort by price

GIA-graded only?

136 of 173 (79%) carry GIA. 33 retailers stock GIA at this spec.

Want None or Faint fluorescence?

151 of 173 are graded None or Faint at this spec.

Shopping from United States?

31 of the 37 retailers with shipping details ship to United States. 6 do not. 1 retailer has not published any shipping details.

What this spec means

  • Cushion: a softened-corner square or rectangle with a vintage feel.
  • H color: near-colorless, with a slight warm tint visible only against a colorless reference.
  • 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 0.5ct H SI2 cushion natural diamonds.

Compare Diamond Wish vs Rare Carat

Related specs

Slightly larger carat

cushion-0-75ct-h-si2-natural

One colour grade higher

cushion-0-5ct-g-si2-natural

One colour grade lower

cushion-0-5ct-i-si2-natural

One clarity grade higher

cushion-0-5ct-h-si1-natural

Same spec, lab grown

cushion-0-5ct-h-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 0.5ct H SI2 Cushion Natural Diamonds | Carat Hunter