Carat Hunter · Where to buy diamonds

Where to buy a 1ct natural cushion diamond

Every retailer in our index stocking this size and shape, 71 of them, across 80,006 current listings.

Updated October 31, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

80,006

Retailers carrying

71

Median confirmed price

SGD 2,966

Grade combinations

32

Certificate mix:GIA 68,244 · IGI 2,592 · HRD 813 · AGS 8

What it actually costs

Half of these diamonds are listed between SGD 2,176 and SGD 4,334 (as of October 31, 2026).

Lower 10% SGD 1,615Median SGD 2,966Upper 10% SGD 6,437

Middle half listed between SGD 2,176 to SGD 4,334

Certificated stones with a recently confirmed price only, 19,883 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

82%

Typical difference

SGD 2,076

Stones compared

13,510

Across 13,510 stones of this size and shape carried by more than one retailer, the dearest listing sits 82% above the cheapest for the identical certificated diamond, a typical gap of SGD 2,076. That gap is what comparing before you buy avoids.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  1. 2Rare Carat3,963 in stock
    United States·Founded 2016·30-day returns·Ships to Singapore
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  2. 3Yorxs3,666 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  3. 10Blue Nile2,472 in stock
    United States·Founded 1999·30-day returns·Ships to Singapore
    Terms not yet verified
    Visit Blue Nile
Show 15 more retailers
  1. 11Allurez2,465 in stock
    United States·Founded 2010·30-day returns·Ships to Singapore
    Terms not yet verified
    Visit Allurez
  2. 14B2C Jewels2,279 in stock
    United States·Founded 2004·30-day returns·Ships to Singapore
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  3. 15Cape Diamonds2,215 in stock
    South Africa·Founded 2005·7-day returns·Ships to Singapore
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  4. 16RockHer2,210 in stock
    United States·Founded 2016·40-day returns·Ships to Singapore
    Terms not yet verified
    Visit RockHer
  5. 18Ritani1,806 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Ritani
  6. 21Adiamor1,456 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  7. 24

    GemTrove

    1,310 in stock
    AU
    Terms not yet verified

Stock counts are updated daily. 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.

16 of the 25 retailers ship to Singapore. 9 do not.

Narrow it down by grade

Each combination below has its own page with the retailers that stock exactly that grade.

G VS15,752 · 66rG VS24,999 · 58rH VS14,908 · 57rI VS14,649 · 53rH VS24,225 · 58rF VS23,920 · 61rE VS13,818 · 61rF VS13,805 · 62rI VS23,651 · 54rE VS23,514 · 59rG VVS23,464 · 62rD VS13,396 · 61rH VVS23,383 · 60rI VVS23,348 · 57rD VS22,678 · 58rE VVS22,502 · 60rF VVS22,413 · 60rH VVS12,369 · 59rG VVS12,358 · 57rI VVS12,140 · 54rF VVS11,943 · 59rD VVS21,838 · 57rE VVS11,526 · 60rD VVS11,307 · 60rH IF499 · 50rF IF409 · 53rI IF346 · 48rG IF271 · 43rD IF265 · 39rE IF250 · 48rH FL30 · 21rD FL12 · 11r

Stones at this spec now

Current examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

What this spec means

  • Cushion: a softened-corner square or rectangle with a vintage feel.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Frequently asked

How much do retailers differ on the same diamond?

Across 13,510 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 82%, about SGD 2,076.

Can I see retailers for one exact grade?

Yes. Each of the 32 colour and clarity combinations above has its own page listing the retailers that stock exactly that grade.

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.

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.