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Carat Hunter · Where to buy diamonds

Where to buy a 3ct lab-grown asscher diamond

Every retailer in our index stocking this size and shape, 56 of them, across 42,906 current listings.

Updated November 1, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

42,906

Retailers carrying

56

Median confirmed price

SGD 1,101

Grade combinations

28

Certificate mix:IGI 36,539 · GIA 4,653 · GCAL 48 · HRD 21

What it actually costs

Half of these diamonds are listed between SGD 683 and SGD 1,842 (as of November 1, 2026).

Lower 10% SGD 619Median SGD 1,101Upper 10% SGD 2,656

Middle half listed between SGD 683 to SGD 1,842

Certificated stones with a recently confirmed price only, 7,064 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

355%

Typical difference

SGD 2,899

Stones compared

4,682

Across 4,682 stones of this size and shape carried by more than one retailer, the dearest listing sits 355% above the cheapest for the identical certificated diamond, a typical gap of SGD 2,899. 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.

  2. 2Rare Carat3,924 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
  8. 8NZ Jewellers1,432 in stock
    New Zealand·Founded 2006·30-day returns·Ships to Singapore
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  10. 10B2C Jewels1,347 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
Show 15 more retailers
  1. 11Adiamor1,312 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  3. 13

    The Perfect Carat

    1,247 in stock
    US
    Terms not yet verified
  4. 14Aurelinne1,147 in stock
    United States·Founded 2021·30-day returns·Ships to Singapore
    Terms not yet verified
    Visit Aurelinne
  6. 16RockHer1,063 in stock
    United States·Founded 2016·40-day returns·Ships to Singapore
    Terms not yet verified
    Visit RockHer
  10. 20Yorxs738 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  13. 23Cape Diamonds723 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

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.

14 of the 25 retailers ship to Singapore. 11 do not.

Narrow it down by grade

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

E VVS26,965 · 51rE VS14,906 · 48rD VVS24,381 · 48rF VVS24,203 · 48rF VS13,471 · 48rD VS13,308 · 49rD VVS13,289 · 46rD IF1,989 · 41rG VS11,521 · 43rE VVS11,335 · 44rD FL1,328 · 35rE VS21,291 · 41rG VVS21,224 · 42rF VS2916 · 37rD VS2639 · 37rH VS1439 · 38rH VVS2355 · 35rG VS2346 · 36rF VVS1254 · 37rH VS2211 · 30rE FL130 · 26rE IF103 · 31rG VVS191 · 25rF IF66 · 29rG IF37 · 27rH VVS134 · 5rI VVS132 · 17rI VS127 · 18r

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

  • Asscher: a square step cut with cropped corners.
  • Lab-grown: chemically identical to natural diamonds, typically at least 90% less than a comparable natural cohort from 1 carat up.

Frequently asked

How much do retailers differ on the same diamond?

Across 4,682 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 355%, about SGD 2,899.

Can I see retailers for one exact grade?

Yes. Each of the 28 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.