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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 379,553 current listings.

Updated October 28, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

379,553

Retailers carrying

65

Median confirmed price

$347

Grade combinations

30

Certificate mix:IGI 356,717 · GIA 10,700 · GCAL 3,614 · HRD 13

What it actually costs

Half of these diamonds are listed between $249 and $605 (as of October 28, 2026).

Lower 10% $227Median $347Upper 10% $1,210

Middle half listed between $249 to $605

Certificated stones with a recently confirmed price only, 30,299 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

408%

Typical difference

$1,166

Stones compared

23,457

Across 23,457 stones of this size and shape carried by more than one retailer, the dearest listing sits 408% above the cheapest for the identical certificated diamond, a typical gap of $1,166. 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 United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  5. 5Moon Ocean16,295 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to United States
    Terms not yet verified
    Visit Moon Ocean
  6. 6Aurelinne16,089 in stock
    United States·Founded 2021·30-day returns·Ships to United States
    Terms not yet verified
    Visit Aurelinne
  8. 8

    The Perfect Carat

    15,032 in stock
    US
    Terms not yet verified
  10. 10Rare Carat14,725 in stock
    United States·Founded 2016·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
Show 15 more retailers
  1. 11Brilliance14,476 in stock
    United States·Founded 2002·30-day returns·Ships to United States
    Terms not yet verified
    Visit Brilliance
  5. 15B2C Jewels12,534 in stock
    United States·Founded 2004·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  6. 16Adiamor12,134 in stock
    United States·Founded 1999·30-day returns·Ships to United States
    Terms not yet verified
    Visit Adiamor
  7. 17Cape Diamonds10,278 in stock
    South Africa·Founded 2005·7-day returns·Ships to United States
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  13. 23Yorxs6,608 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs

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 United States. 7 do not.

Narrow it down by grade

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

D VVS265,607 · 59rD VVS151,293 · 59rD VS150,344 · 59rE VVS243,877 · 59rE VS137,396 · 57rF VVS219,430 · 54rE VVS119,026 · 57rD IF17,229 · 51rD FL13,304 · 42rD VS213,132 · 49rF VS113,123 · 53rE VS212,156 · 49rG VVS24,464 · 42rE IF3,844 · 48rF VVS13,775 · 47rF VS23,514 · 47rG VS13,060 · 45rE FL1,203 · 36rG VS2808 · 33rH VS1686 · 36rH VVS2663 · 32rG VVS1593 · 39rF IF467 · 43rH VS2204 · 25rH VVS1132 · 28rF FL65 · 27rG IF59 · 28rI VS150 · 21rI VS222 · 16rI VVS222 · 20r

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 23,457 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 408%, about $1,166.

Can I see retailers for one exact grade?

Yes. Each of the 30 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?

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.