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Carat Hunter · Where to buy diamonds

1.25ct · G · SI1 · Heart · 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

455

Retailers carrying

49

Price range

CA$2,035 to
CA$12,036

Median confirmed price

CA$5,837

Certificate mix:GIA 385 · IGI 34 · HRD 1

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 Jewellers35 in stock
    New Zealand·Founded 2006·GIA, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  5. 5

    The Perfect Carat

    27 in stock
    US·GIA, IGI
    Terms not yet verified
Show 39 more retailers
  2. 12Cape Diamonds13 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to Canada
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  7. 17B2C Jewels9 in stock
    United States·Founded 2004·GIA, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  10. 20RockHer9 in stock
    United States·Founded 2016·GIA, IGI·Ships to Canada
    Terms not yet verified
    Visit RockHer
  13. 23Ritani7 in stock
    United States·Founded 1999·GIA·Ships to Canada
    Terms not yet verified
    Visit Ritani
  18. 28

    GemTrove

    5 in stock
    AU·GIA
    Terms not yet verified
  19. 29Zales5 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  22. 32Adiamor3 in stock
    United States·Founded 1999·GIA·Ships to Canada
    Terms not yet verified
    Visit Adiamor
  24. 34Jared3 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  30. 40GemsNY2 in stock
    United States·Founded 1988·GIA·Ships to Canada
    Terms not yet verified
    Visit GemsNY
  32. 42Rare Carat2 in stock
    United States·Founded 2016·GIA·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  39. 49ZCOVA1 in stock
    Malaysia·Founded 2015·GIA·Ships to Canada
    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 455 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 1.25ct natural heart diamond, all grades

How pricing is spread at this spec

For the 108 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    CA$2,035
  • 10th percentile
    CA$3,017
  • Median
    CA$5,837
  • 75th percentile
    CA$7,472
  • 90th percentile
    CA$8,856
  • Highest confirmed
    CA$12,036

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 CA$3,017. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

121 of 455 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

385 of 455 (85%) carry GIA. 46 retailers stock GIA at this spec.

Want None or Faint fluorescence?

315 of 455 are graded None or Faint at this spec.

Shopping from Canada?

35 of the 46 retailers with shipping details ship to Canada. 11 do not. 3 retailers have not published any shipping details.

What this spec means

  • Heart: a brilliant cut with a cleft and a pointed tip, classic and recognizable.
  • G color: near-colorless, one step below the D to F band, with virtually no perceptible color to most buyers.
  • 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 1.25ct G SI1 heart natural diamonds.

Compare Diamond Wish vs NZ Jewellers

Related specs

Slightly smaller carat

heart-1ct-g-si1-natural

Slightly larger carat

heart-1-5ct-g-si1-natural

One colour grade higher

heart-1-25ct-f-si1-natural

One colour grade lower

heart-1-25ct-h-si1-natural

One clarity grade higher

heart-1-25ct-g-vs2-natural

One clarity grade lower

heart-1-25ct-g-si2-natural

Same spec, lab grown

heart-1-25ct-g-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 1.25ct G SI1 Heart Natural Diamonds | Carat Hunter