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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct lab-grown oval diamond

Every retailer in our index stocking this size and shape, 65 of them, across 374,761 current listings.

Updated October 30, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

374,761

Retailers carrying

65

Median confirmed price

SGD 447

Grade combinations

30

Certificate mix:IGI 351,623 · GIA 10,739 · GCAL 3,712 · HRD 13

What it actually costs

Half of these diamonds are listed between SGD 317 and SGD 779 (as of October 30, 2026).

Lower 10% SGD 291Median SGD 447Upper 10% SGD 1,548

Middle half listed between SGD 317 to SGD 779

Certificated stones with a recently confirmed price only, 30,257 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

416%

Typical difference

SGD 1,523

Stones compared

23,477

Across 23,477 stones of this size and shape carried by more than one retailer, the dearest listing sits 416% above the cheapest for the identical certificated diamond, a typical gap of SGD 1,523. 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.

  3. 3NZ Jewellers18,071 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
  5. 5Aurelinne16,648 in stock
    United States·Founded 2021·30-day returns·Ships to Singapore
    Terms not yet verified
    Visit Aurelinne
  8. 8

    The Perfect Carat

    14,971 in stock
    US
    Terms not yet verified
  10. 10Rare Carat14,365 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
Show 15 more retailers
  3. 13B2C Jewels12,617 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
  5. 15Adiamor12,258 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  7. 17Cape Diamonds10,287 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.

15 of the 25 retailers ship to Singapore. 10 do not.

Narrow it down by grade

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

D VVS265,180 · 59rD VVS150,614 · 59rD VS149,901 · 59rE VVS243,044 · 59rE VS136,776 · 57rF VVS219,030 · 54rE VVS118,806 · 57rD IF17,033 · 52rD FL13,218 · 43rF VS112,978 · 53rD VS212,927 · 50rE VS211,968 · 49rG VVS24,410 · 42rE IF3,767 · 49rF VVS13,732 · 47rF VS23,482 · 47rG VS13,013 · 45rE FL1,173 · 36rG VS2799 · 34rH VS1674 · 35rH VVS2656 · 32rG VVS1572 · 39rF IF458 · 43rH VS2203 · 25rH VVS1129 · 27rF FL63 · 27rG IF58 · 28rI VS149 · 21rI VS223 · 16rI VVS221 · 19r

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

  • Oval: an elongated brilliant cut that looks larger face-up than its carat weight.
  • 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 23,477 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 416%, about SGD 1,523.

Can I see retailers for one exact grade?

Yes. Each of the 30 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.

Where to Buy 1.5ct Lab Grown Oval Diamonds | Carat Hunter