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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, 66 of them, across 354,207 live listings.

Updated September 15, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

354,207

Retailers carrying

66

Median active price

A$674

Grade combinations

32

Certificate mix:IGI 339,055 · GIA 7,904 · GCAL 2,569 · HRD 16

What it actually costs

Lower 10% A$299Median A$674Upper 10% A$1,948

Middle half sell between A$494 to A$1,213

Certificated stones with a live price only, 74,321 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

294%

Typical difference

A$1,424

Stones compared

48,068

Across 48,068 stones of this size and shape carried by more than one retailer, the dearest listing sits 294% above the cheapest for the identical certificated diamond, a typical gap of A$1,424. 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.

Show 15 more retailers

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified September 2, 2026.

2 of the 25 retailers ship to Australia. 23 do not.

Narrow it down by grade

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

D VVS256,195 · 60rE VVS249,034 · 50rE VS147,924 · 50rD VS145,736 · 51rD VVS138,159 · 51rF VVS223,521 · 49rF VS115,197 · 49rE VS214,224 · 42rD VS212,840 · 43rE VVS112,714 · 50rD IF10,443 · 45rD FL7,530 · 29rG VVS25,379 · 40rF VS23,381 · 38rG VS13,021 · 44rF VVS12,981 · 42rE IF2,245 · 37rG VS2614 · 28rH VS1581 · 34rH VVS2572 · 30rE FL440 · 24rG VVS1421 · 31rF IF245 · 31rH VS2239 · 22rI VS2209 · 16rI VS1126 · 12rH VVS194 · 21rG IF71 · 24rI VVS224 · 13rF FL20 · 15rH IF12 · 4rI IF10 · 6r

Stones at this spec now

Live 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 60% to 80% less than a comparable natural cohort.

Frequently asked

How much do retailers differ on the same diamond?

Across 48,068 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 294%, about A$1,424.

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?

Live listings refresh daily. 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.