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Carat Hunter · Where to buy diamonds

2ct · E · SI2 · Round · 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

151

Retailers carrying

26

Price range

HK$2,071 to
HK$26,862

Median confirmed price

HK$8,468

Certificate mix:IGI 138 · GIA 9

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. 1B2C Jewels27 in stock
    United States·Founded 2004·IGI·30-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  3. 3Rare Carat13 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
  9. 9NZ Jewellers6 in stock
    New Zealand·Founded 2006·IGI·30-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  10. 10Yorxs6 in stock
    Germany·Founded 2011·GIA, IGI
    Terms not yet verified
    Visit Yorxs
Show 16 more retailers
  2. 12

    The Perfect Carat

    5 in stock
    US·IGI
    Terms not yet verified
  8. 18Allurez1 in stock
    United States·Founded 2010·Ships to Hong Kong
    Terms not yet verified
    Visit Allurez
  12. 22Jared1 in stock
    United States·Founded 1993·IGI
    Terms not yet verified
    Visit Jared
  16. 26Zales1 in stock
    United States·Founded 1924·IGI
    Terms not yet verified
    Visit Zales

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 151 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 2ct lab grown round diamond, all grades

How pricing is spread at this spec

For the 52 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    HK$2,071
  • 10th percentile
    HK$3,999
  • Median
    HK$8,468
  • 75th percentile
    HK$19,242
  • 90th percentile
    HK$26,242
  • Highest confirmed
    HK$26,862

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$3,999. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

110 of 151 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

Want None or Faint fluorescence?

138 of 151 are graded None or Faint at this spec.

Shopping from Hong Kong?

13 of the 24 retailers with shipping details ship to Hong Kong. 11 do not. 2 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.
  • SI2 clarity: Slightly Included 2. Inclusions easy to see at 10x. May be visible to the unaided eye in some stones.
  • 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 2ct E SI2 round lab grown diamonds.

Compare B2C Jewels vs Diamond Quarter

Related specs

Slightly smaller carat

round-1-5ct-e-si2-lab

Slightly larger carat

round-3ct-e-si2-lab

One colour grade higher

round-2ct-d-si2-lab

One colour grade lower

round-2ct-f-si2-lab

One clarity grade higher

round-2ct-e-si1-lab

Same spec, natural

round-2ct-e-si2-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 2ct E SI2 Round Lab Grown Diamonds | Carat Hunter