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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct natural radiant diamond

Every retailer in our index stocking this size and shape, 67 of them, across 12,179 live listings.

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

The market at this size and shape

Active listings

12,179

Retailers carrying

67

Median active price

CA$8,883

Grade combinations

33

Certificate mix:GIA 10,599 · HRD 56 · IGI 50

What it actually costs

Lower 10% CA$4,144Median CA$8,883Upper 10% CA$16,039

Middle half sell between CA$6,018 to CA$12,385

Certificated stones with a live price only, 4,583 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

32%

Typical difference

CA$2,363

Stones compared

3,126

Across 3,126 stones of this size and shape carried by more than one retailer, the dearest listing sits 32% above the cheapest for the identical certificated diamond, a typical gap of CA$2,363. 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
  14. 24Ritani218 in stock
    United States·Founded 1999·30-day returns·Ships to Canada
    Visit Ritani

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

5 of the 25 retailers ship to Canada. 20 do not.

Narrow it down by grade

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

I VS21,105 · 49rG VS2914 · 53rH VS1866 · 50rG VS1850 · 52rF VS2775 · 54rH VS2732 · 54rI VS1688 · 44rH VVS2660 · 50rF VS1651 · 56rE VS2525 · 55rE VS1442 · 48rG VVS1418 · 50rI VVS1412 · 47rH VVS1381 · 48rD VS2368 · 52rD VS1363 · 46rF VVS2358 · 49rI VVS2350 · 44rG VVS2315 · 43rE VVS2239 · 47rD VVS2162 · 44rF VVS1152 · 39rD VVS197 · 43rE VVS196 · 37rG IF48 · 21rI IF46 · 22rH IF38 · 25rE IF34 · 20rD IF34 · 22rF IF17 · 15rF FL13 · 12rH FL12 · 12rI FL10 · 10r

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

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Frequently asked

How much do retailers differ on the same diamond?

Across 3,126 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 32%, about CA$2,363.

Can I see retailers for one exact grade?

Yes. Each of the 33 color 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.

Where to Buy 1.5ct Natural Radiant Diamonds | Carat Hunter