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Carat Hunter · Where to buy diamonds

1.5ct · D · SI1 · Princess · Natural

Every retailer carrying this exact spec, from our latest listings.

Updated November 6, 2026 · Independent. Zero affiliate revenue.

Market at this spec

Active listings

342

Retailers carrying

49

Price range

$3,955 to
$20,865

Median confirmed price

$7,200

Certificate mix:GIA 320

Range and median take each diamond at this spec at its cheapest recently confirmed price. They are cohort statistics, not per-retailer pricing claims.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  2. 2NZ Jewellers21 in stock
    New Zealand·Founded 2006·GIA·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  4. 4

    The Perfect Carat

    17 in stock
    US·GIA·Ships to United States
    Terms not yet verified
  8. 8Rare Carat15 in stock
    United States·Founded 2016·GIA·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
Show 38 more retailers
  1. 11Cape Diamonds12 in stock
    South Africa·Founded 2005·GIA·7-day returns·Ships to United States
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  3. 13Allurez11 in stock
    United States·Founded 2010·Ships to United States
    Terms not yet verified
    Visit Allurez
  5. 15Ritani10 in stock
    United States·Founded 1999·GIA·Ships to United States
    Terms not yet verified
    Visit Ritani
  6. 16RockHer10 in stock
    United States·Founded 2016·GIA·Ships to United States
    Terms not yet verified
    Visit RockHer
  9. 19Jared6 in stock
    United States·Founded 1993·GIA·Ships to United States
    Terms not yet verified
    Visit Jared
  11. 21B2C Jewels5 in stock
    United States·Founded 2004·GIA·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  12. 22

    GemTrove

    5 in stock
    AU·GIA
    Terms not yet verified
  21. 31Zales4 in stock
    United States·Founded 1924·GIA·Ships to United States
    Terms not yet verified
    Visit Zales
  26. 36ZCOVA3 in stock
    Malaysia·Founded 2015·GIA·Ships to United States
    Terms not yet verified
    Visit ZCOVA
  27. 37Adiamor2 in stock
    United States·Founded 1999·GIA·Ships to United States
    Terms not yet verified
    Visit Adiamor
  30. 40GemsNY2 in stock
    United States·Founded 1988·GIA·Ships to United States
    Terms not yet verified
    Visit GemsNY
  32. 42RDI Diamonds2 in stock
    United States·Founded 1992·GIA·Ships to United States
    Terms read on the retailer’s own site, June 15, 2026
    Visit RDI Diamonds
  34. 44

    Lauren B

    1 in stock
    US·Ships to United States
    Terms not yet verified

Stock counts reflect current listings. 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.

Explore all 342 stones in this cohort

Stones at this spec now

Current examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

See every 1.5ct natural princess diamond, all grades

How pricing is spread at this spec

For the 60 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    $3,955
  • 10th percentile
    $4,517
  • Median
    $7,200
  • 75th percentile
    $10,454
  • 90th percentile
    $12,973
  • Highest confirmed
    $20,865

Cohort distribution only. No retailer named adjacent to a dollar figure in this section.

How to pick

Lowest price floor for the spec?

The cheapest confirmed prices start around $4,517. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

94 of 342 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

320 of 342 (94%) carry GIA. 45 retailers stock GIA at this spec.

Want None or Faint fluorescence?

292 of 342 are graded None or Faint at this spec.

Shopping from United States?

40 of the 46 retailers with shipping details ship to United States. 6 do not. 2 retailers have not published any shipping details.

What this spec means

  • Princess: a square brilliant cut, second only to round in popularity.
  • D color: absolutely colorless, the top grade.
  • SI1 clarity: Slightly Included 1. Inclusions noticeable at 10x. Often still eye-clean depending on placement.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Compare the top retailers carrying this spec

Side-by-side facts for the two stores carrying the most 1.5ct D SI1 princess natural diamonds.

Compare Aurelinne vs NZ Jewellers

Related specs

Slightly smaller carat

princess-1-25ct-d-si1-natural

Slightly larger carat

princess-2ct-d-si1-natural

One colour grade lower

princess-1-5ct-e-si1-natural

One clarity grade higher

princess-1-5ct-d-vs2-natural

One clarity grade lower

princess-1-5ct-d-si2-natural

Same spec, lab grown

princess-1-5ct-d-si1-lab

Frequently asked

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.

Why is one retailer cheaper for the same certificate?

Markup and overhead vary by retailer. The same physical diamond can list at very different prices across stores. See our cross-retailer analysis for the structural reasons.

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.