Emerald|Lab Grown|IGI

2.55ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG818646254

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818646254

Diamond specifications and retailer prices

From £194 GBP

$259 USD

As of October 27, 2026

Save £843 GBP (81%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £1,038 GBP at Reve Diamonds · As of October 28, 2026

View at Reve Diamonds

About this 2.55ct lab-grown emerald diamond

This 2.55ct lab-grown emerald sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818646254 or 818646254. Listed at 16 retailers as of October 27, 2026, with prices from £194 to £1,038, a £843 spread on the same certified stone. Reve Diamonds lists it at £1,038. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.55

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.7°

Pavilion angle44°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818646254

Dimensions8.80 × 6.49 × 4.43 mm

L/W Ratio1.36

Culet sizeLarge

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG818646254

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27

Current: £459 GBP|Low: £132 GBP|High: £1,038 GBP|Avg: £491 GBP|+3.7%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Reve Diamonds

October 29, 2026

Retailer 9£132 GBP

Retailer 7£194 GBP

Retailer 8£218 GBP

Retailer 3£241 GBP

Retailer 6£324 GBP

Retailer 2£327 GBP

Retailer 1£459 GBP

Retailer 5£741 GBP

Retailer 4£968 GBP

Reve Diamonds£1,038 GBP

38 data points across 10 retailers

16 retailers£194 GBP to £1,038 GBP

Retailer 1

£194 GBP

$259 USD

Price last confirmed 18 days ago

Retailer 2

£194 GBP

$259 USD

View

Price last confirmed 29 days ago

Retailer 3

£194 GBP

$259 USD

View

Retailer 4

£218 GBP

$290 USD

View

Final sale: no returns

Retailer 5

£225 GBP

$300 USD

View

Price last confirmed 34 days ago

Retailer 6

£238 GBP

$317 USD

View

Price last confirmed 30 days ago

Retailer 7

£241 GBP

$321 USD

View

Price last confirmed 8 days ago

Retailer 8

£241 GBP

$321 USD

View

Retailer 9

£241 GBP

$321 USD

View

Price last confirmed 17 days ago

B+

Retailer 10

£324 GBP

$432 USD

View

Retailer 11

£327 GBP

$435 USD

View

Retailer 12

£459 GBP

View

B+

Retailer 13

£741 GBP

$987 USD

View

Retailer 14

£775 GBP

$1,032 USD

View

Price last confirmed 29 days ago

Retailer 15

£968 GBP

View

Most Expensive

Reve Diamonds

0D63896D5 · Oct 28

£1,038 GBP

$1,382 USD

View

15 more retailers have this diamond

Prices start from £194 GBPSave up to £843 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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