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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 370,468 current listings.

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

The market at this size and shape

Active listings

370,468

Retailers carrying

65

Median confirmed price

A$500

Grade combinations

30

Certificate mix:IGI 347,267 · GIA 10,687 · GCAL 3,808 · HRD 13

What it actually costs

Half of these diamonds are listed between A$354 and A$870 (as of October 31, 2026).

Lower 10% A$323Median A$500Upper 10% A$1,751

Middle half listed between A$354 to A$870

Certificated stones with a recently confirmed price only, 29,985 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

416%

Typical difference

A$1,684

Stones compared

23,214

Across 23,214 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 A$1,684. 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 Australia
    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 Australia
    Terms not yet verified
    Visit Aurelinne
  7. 7

    The Perfect Carat

    14,971 in stock
    US
    Terms not yet verified
  9. 9Rare Carat14,365 in stock
    United States·Founded 2016·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
Show 15 more retailers
  2. 12B2C Jewels12,653 in stock
    United States·Founded 2004·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  3. 13Adiamor12,514 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  8. 18Cape Diamonds10,287 in stock
    South Africa·Founded 2005·7-day returns·Ships to Australia
    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.

18 of the 25 retailers ship to Australia. 7 do not.

Narrow it down by grade

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

D VVS264,716 · 59rD VVS150,765 · 59rD VS149,096 · 59rE VVS242,314 · 59rE VS136,324 · 57rE VVS118,827 · 57rF VVS218,466 · 54rD IF17,092 · 52rD FL13,283 · 43rF VS112,606 · 53rD VS212,556 · 50rE VS211,465 · 49rG VVS24,234 · 42rE IF3,759 · 49rF VVS13,710 · 47rF VS23,454 · 47rG VS12,947 · 45rE FL1,177 · 36rG VS2790 · 34rH VS1669 · 35rH VVS2644 · 32rG VVS1564 · 39rF IF457 · 42rH VS2204 · 25rH VVS1127 · 27rF FL63 · 27rG IF58 · 28rI VS149 · 21rI VS227 · 19rI 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 23,214 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 416%, about A$1,684.

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.