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Carat Hunter · Where to buy diamonds

3ct · E · SI1 · Oval · Lab-grown

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

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

Market at this spec

Active listings

1,826

Retailers carrying

41

Price range

HK$2,618 to
HK$41,399

Median confirmed price

HK$10,976

Certificate mix:IGI 1,426 · GIA 204 · GCAL 85 · 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.

  1. 1Rare Carat173 in stock
    United States·Founded 2016·GIA, IGI·30-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  5. 5Aurelinne110 in stock
    United States·Founded 2021·GCAL, GIA, IGI·Ships to Hong Kong
    Terms not yet verified
    Visit Aurelinne
  6. 6Carbon Sparkle108 in stock
    United States·GCAL, GIA, IGI·21-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  7. 7NZ Jewellers101 in stock
    New Zealand·Founded 2006·GCAL, GIA, IGI·30-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  9. 9

    The Perfect Carat

    87 in stock
    US·GCAL, GIA, IGI
    Terms not yet verified
Show 31 more retailers
  4. 14B2C Jewels64 in stock
    United States·Founded 2004·GIA, IGI·30-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  6. 16RockHer48 in stock
    United States·Founded 2016·GIA, IGI·Ships to Hong Kong
    Terms not yet verified
    Visit RockHer
  8. 18Yorxs44 in stock
    Germany·Founded 2011·GIA, IGI
    Terms not yet verified
    Visit Yorxs
  12. 22Allurez22 in stock
    United States·Founded 2010·Ships to Hong Kong
    Terms not yet verified
    Visit Allurez
  18. 28

    GemTrove

    9 in stock
    AU·GIA, IGI
    Terms not yet verified
  23. 33GemsNY5 in stock
    United States·Founded 1988·GCAL, GIA, IGI·Ships to Hong Kong
    Terms not yet verified
    Visit GemsNY
  25. 35Zales3 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  26. 36Jared2 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared

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 1,826 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 3ct lab grown oval diamond, all grades

How pricing is spread at this spec

For the 439 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    HK$2,618
  • 10th percentile
    HK$3,049
  • Median
    HK$10,976
  • 75th percentile
    HK$19,750
  • 90th percentile
    HK$28,168
  • Highest confirmed
    HK$41,399

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 HK$3,049. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

991 of 1,826 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

204 of 1,826 (11%) carry GIA. 36 retailers stock GIA at this spec.

Want None or Faint fluorescence?

1,686 of 1,826 are graded None or Faint at this spec.

Shopping from Hong Kong?

19 of the 38 retailers with shipping details ship to Hong Kong. 19 do not. 3 retailers have not published any shipping details.

What this spec means

  • Oval: an elongated brilliant cut that looks larger face-up than its carat weight.
  • 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.
  • Lab-grown: chemically identical to natural diamonds, typically at least 90% less than a comparable natural cohort from 1 carat up.

Compare the top retailers carrying this spec

Side-by-side facts for the two stores carrying the most 3ct E SI1 oval lab grown diamonds.

Compare Rare Carat vs 77 Diamonds

Related specs

Slightly smaller carat

oval-2ct-e-si1-lab

One colour grade higher

oval-3ct-d-si1-lab

One colour grade lower

oval-3ct-f-si1-lab

One clarity grade higher

oval-3ct-e-vs2-lab

One clarity grade lower

oval-3ct-e-si2-lab

Same spec, natural

oval-3ct-e-si1-natural

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 3ct E SI1 Oval Lab Grown Diamonds | Carat Hunter