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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 349,802 live listings.

Updated September 14, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

349,802

Retailers carrying

66

Median active price

SGD 623

Grade combinations

32

Certificate mix:IGI 333,644 · GIA 7,774 · GCAL 2,383 · HRD 16

What it actually costs

Lower 10% SGD 253Median SGD 623Upper 10% SGD 1,859

Middle half sell between SGD 480 to SGD 1,216

Certificated stones with a live price only, 73,636 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

294%

Typical difference

SGD 1,404

Stones compared

47,475

Across 47,475 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 SGD 1,404. 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.

Narrow it down by grade

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

D VVS255,562 · 60rE VVS248,244 · 49rE VS147,194 · 49rD VS145,080 · 50rD VVS137,442 · 50rF VVS223,276 · 48rF VS115,200 · 48rE VS214,463 · 41rD VS212,888 · 41rE VVS112,482 · 49rD IF10,126 · 43rD FL7,252 · 28rG VVS25,367 · 38rF VS23,368 · 37rG VS13,031 · 43rF VVS12,935 · 41rE IF2,217 · 35rG VS2621 · 28rH VS1587 · 33rH VVS2565 · 29rE FL430 · 23rG VVS1409 · 31rF IF245 · 30rH VS2240 · 22rI VS2216 · 16rI VS1135 · 12rH VVS187 · 21rG IF73 · 23rF FL20 · 15rI VVS219 · 10rH IF11 · 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 47,475 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 294%, about SGD 1,404.

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.