Carat Hunter · Where to buy diamonds

Where to buy a 1.25ct lab-grown emerald diamond

Every retailer in our index stocking this size and shape, 59 of them, across 17,306 live listings.

Updated September 15, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

17,306

Retailers carrying

59

Median active price

£357

Grade combinations

29

Certificate mix:IGI 15,219 · GIA 1,025 · GCAL 204 · HRD 1

What it actually costs

Lower 10% £168Median £357Upper 10% £1,217

Middle half sell between £265 to £773

Certificated stones with a live price only, 4,250 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

172%

Typical difference

£553

Stones compared

2,370

Across 2,370 stones of this size and shape carried by more than one retailer, the dearest listing sits 172% above the cheapest for the identical certificated diamond, a typical gap of £553. 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.

Show 15 more retailers

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

Narrow it down by grade

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

D VS12,785 · 43rD VVS22,579 · 52rE VS11,891 · 42rE VVS21,279 · 43rD VVS11,245 · 42rF VS11,118 · 41rG VS1953 · 40rF VVS2656 · 38rD IF589 · 40rE VS2535 · 34rD VS2528 · 35rE VVS1495 · 42rH VS1405 · 31rG VVS2359 · 32rF VS2336 · 30rD FL299 · 25rH VVS2231 · 27rG VS2222 · 24rH VS2177 · 22rF VVS1134 · 29rE IF98 · 31rI VS183 · 18rE FL68 · 14rG VVS165 · 19rH VVS139 · 15rF IF39 · 17rI VS239 · 14rI VVS226 · 11rG IF18 · 15r

Stones at this spec now

Live 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 60% to 80% less than a comparable natural cohort.

Frequently asked

How much do retailers differ on the same diamond?

Across 2,370 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 172%, about £553.

Can I see retailers for one exact grade?

Yes. Each of the 29 colour 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?

Live listings refresh daily. 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.