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Round|Lab Grown|IGI

2.55ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG662418026

Shape and cutting style on the report: Round brilliant

Certificate IGI LG662418026

Diamond specifications and retailer prices

From £222 GBP
$295 USD
As of October 29, 2026
Save £661 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £882 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 2.55ct lab-grown round diamond

This 2.55ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG662418026 or 662418026. Listed at 10 retailers as of October 28, 2026, with prices from £222 to £882, a £661 spread on the same certified stone. NZ Jewellers lists it at £882. 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
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662418026
Dimensions8.79 × 8.82 × 5.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.79 mm8.82 mm2.55 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662418026
Side View
Table 56.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £882 GBP|Low: £222 GBP|High: £2,811 GBP|Avg: £965 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 6£222 GBP
Retailer 13£275 GBP
Retailer 10£308 GBP
Retailer 7£445 GBP
Retailer 8£446 GBP
Retailer 12£450 GBP
Retailer 2£485 GBP
Retailer 9£501 GBP
Retailer 11£511 GBP
NZ Jewellers£882 GBP
Retailer 3£1,435 GBP
Retailer 5£2,426 GBP
Retailer 4£2,811 GBP

4 data points across 13 retailers

10 retailers£222 GBP to £882 GBP

A
Cheapest Retailer
-
£222 GBP
$295 USD
A
Retailer 2
-
£275 GBP
$366 USD
View
A
Retailer 3
-
£308 GBP
HK$3,200 HKD
View
A
Retailer 4
-
£445 GBP
€565 EUR
View
A
Retailer 5
-
£446 GBP
View
B+
Retailer 6
-
£450 GBP
$599 USD
View
A
Retailer 7
-
£485 GBP
View
A
Retailer 8
-
£501 GBP
$667 USD
View
A
Retailer 9
-
£511 GBP
$680 USD
View
Most Expensive
B
NZ Jewellers
fd361da5-969a-4ce9-ae29-9d59bc2976e7 · Oct 28
£882 GBP
$1,175 USD
View
9 more retailers have this diamond
Prices start from £222 GBPSave up to £661 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.

A
2.55ct Round
£222 GBP