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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct lab-grown emerald diamond

Every retailer in our index stocking this size and shape, 52 of them, across 36,788 current listings.

Updated October 29, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

36,788

Retailers carrying

52

Median confirmed price

$225

Grade combinations

29

Certificate mix:IGI 33,514 · GCAL 133 · GIA 125 · HRD 4

What it actually costs

Half of these diamonds are listed between $136 and $345 (as of October 29, 2026).

Lower 10% $114Median $225Upper 10% $469

Middle half listed between $136 to $345

Certificated stones with a recently confirmed price only, 3,779 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

364%

Typical difference

$742

Stones compared

2,914

Across 2,914 stones of this size and shape carried by more than one retailer, the dearest listing sits 364% above the cheapest for the identical certificated diamond, a typical gap of $742. That gap is what comparing before you buy avoids.

Every retailer that stocks this spec

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

  2. 2Aurelinne2,476 in stock
    United States·Founded 2021·30-day returns·Ships to United States
    Terms not yet verified
    Visit Aurelinne
  4. 4Rare Carat2,414 in stock
    United States·Founded 2016·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  5. 5NZ Jewellers2,205 in stock
    New Zealand·Founded 2006·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  6. 6

    The Perfect Carat

    2,010 in stock
    US
    Terms not yet verified
  10. 10Yorxs1,391 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
Show 15 more retailers
  1. 11B2C Jewels1,302 in stock
    United States·Founded 2004·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  3. 13Cape Diamonds1,024 in stock
    South Africa·Founded 2005·7-day returns·Ships to United States
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds

Stock counts are updated daily. 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.

17 of the 25 retailers ship to United States. 8 do not.

Narrow it down by grade

Each combination below has its own page with the retailers that stock exactly that grade.

D VVS27,421 · 46rD VVS17,164 · 45rD VS14,189 · 43rD IF3,177 · 40rE VVS22,487 · 41rE VS12,150 · 38rE VVS11,318 · 40rD VS21,121 · 33rG VS11,065 · 29rF VS11,049 · 34rE VS2812 · 37rF VS2624 · 29rF VVS2618 · 32rE IF568 · 37rG VS2465 · 26rH VS1456 · 25rG VVS2455 · 28rD FL382 · 31rH VS2262 · 23rI VS1225 · 20rH VVS2162 · 24rF VVS1135 · 33rI VS2113 · 14rE FL106 · 26rH VVS177 · 27rI VVS267 · 18rG IF67 · 29rF IF23 · 15rG VVS117 · 14r

Stones at this spec now

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

What this spec means

  • Emerald: a rectangular step cut with a hall-of-mirrors look that requires high clarity.
  • Lab-grown: chemically identical to natural diamonds, typically at least 90% less than a comparable natural cohort from 1 carat up.

Frequently asked

How much do retailers differ on the same diamond?

Across 2,914 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 364%, about $742.

Can I see retailers for one exact grade?

Yes. Each of the 29 color and clarity combinations above has its own page listing the retailers that stock exactly that grade.

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.

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.