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Carat Hunter · Where to buy diamonds

1.5ct · E · SI1 · Round · 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

6,052

Retailers carrying

63

Price range

₹330,271 to
₹2,203,121

Median confirmed price

₹826,914

Certificate mix:GIA 5,430 · IGI 123 · HRD 64

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.

  1. 1NZ Jewellers483 in stock
    New Zealand·Founded 2006·EGL, GIA, HRD, IGI·30-day returns·Ships to India
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  2. 2Carbon Sparkle454 in stock
    United States·EGL, GIA, HRD, IGI·21-day returns·Ships to India
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  3. 3Aurelinne304 in stock
    United States·Founded 2021·EGL, GIA, HRD, IGI·Ships to India
    Terms not yet verified
    Visit Aurelinne
  4. 4

    The Perfect Carat

    288 in stock
    US·EGL, GIA, HRD, IGI
    Terms not yet verified
  7. 7Rare Carat260 in stock
    United States·Founded 2016·EGL, GIA, IGI·30-day returns·Ships to India
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  8. 8Yorxs256 in stock
    Germany·Founded 2011·GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
Show 53 more retailers
  3. 13RockHer168 in stock
    United States·Founded 2016·GIA, IGI·Ships to India
    Terms not yet verified
    Visit RockHer
  5. 15B2C Jewels147 in stock
    United States·Founded 2004·EGL, GIA, HRD, IGI·30-day returns·Ships to India
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  8. 18Cape Diamonds135 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to India
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  15. 25Jared76 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  16. 26Zales76 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  31. 41GemsNY36 in stock
    United States·Founded 1988·GIA, HRD·Ships to India
    Terms not yet verified
    Visit GemsNY
  38. 48

    GemTrove

    20 in stock
    AU·GIA, HRD
    Terms not yet verified
  48. 58ZCOVA4 in stock
    Malaysia·Founded 2015·GIA·Ships to India
    Terms not yet verified
    Visit ZCOVA

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 6,052 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 round diamond, all grades

How pricing is spread at this spec

For the 1,275 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    ₹330,271
  • 10th percentile
    ₹562,912
  • Median
    ₹826,914
  • 75th percentile
    ₹1,092,685
  • 90th percentile
    ₹1,479,211
  • Highest confirmed
    ₹2,203,121

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 ₹562,912. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

3,618 of 6,052 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

5,430 of 6,052 (90%) carry GIA. 61 retailers stock GIA at this spec.

Want None or Faint fluorescence?

5,034 of 6,052 are graded None or Faint at this spec.

Shopping from India?

35 of the 60 retailers with shipping details ship to India. 25 do not. 3 retailers have not published any shipping details.

What this spec means

  • Round: the most common cut, with the highest light return per carat.
  • E colour: colourless, indistinguishable from D to most viewers.
  • 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 E SI1 round natural diamonds.

Compare NZ Jewellers vs Carbon Sparkle

Related specs

Slightly smaller carat

round-1-25ct-e-si1-natural

Slightly larger carat

round-2ct-e-si1-natural

One colour grade higher

round-1-5ct-d-si1-natural

One colour grade lower

round-1-5ct-f-si1-natural

One clarity grade higher

round-1-5ct-e-vs2-natural

One clarity grade lower

round-1-5ct-e-si2-natural

Same spec, lab grown

round-1-5ct-e-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.

Where to Buy 1.5ct E SI1 Round Natural Diamonds | Carat Hunter