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Round|Lab Grown|IGI

2.54ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG717585531

Shape and cutting style on the report: Round brilliant

Certificate IGI LG717585531

Diamond specifications and retailer prices

From £222 GBP
$296 USD
As of October 29, 2026
Save £1,963 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,185 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.54ct lab-grown round diamond

This 2.54ct 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 LG717585531 or 717585531. Listed at 15 retailers as of October 28, 2026, with prices from £222 to £2,185, a £1,963 spread on the same certified stone. Brilliant Earth lists it at £2,185. 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

2.54
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717585531
Dimensions8.63 × 8.56 × 5.48 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.56 mm2.54 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717585531
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.7%

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: £2,185 GBP|Low: £154 GBP|High: £2,245 GBP|Avg: £587 GBP|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 6£154 GBP
Retailer 11£222 GBP
Retailer 4£249 GBP
Retailer 15£258 GBP
Retailer 5£276 GBP
Retailer 12£276 GBP
Retailer 2£447 GBP
Retailer 13£452 GBP
Retailer 8£487 GBP
Retailer 7£508 GBP
Retailer 14£558 GBP
Retailer 10£706 GBP
Retailer 3£888 GBP
Retailer 9£1,112 GBP
Brilliant Earth£2,185 GBP

41 data points across 15 retailers

15 retailers£222 GBP to £2,185 GBP

A
Cheapest Retailer
-
£222 GBP
$296 USD
A
Retailer 2
-
£249 GBP
$332 USD
View
Final sale: no returns
A
Retailer 3
-
£258 GBP
$344 USD
View
A
Retailer 4
-
£276 GBP
$368 USD
View
A
Retailer 5
-
£276 GBP
$368 USD
View
A
Retailer 6
-
£447 GBP
View
B+
Retailer 7
-
£452 GBP
$602 USD
View
A
Retailer 8
-
£487 GBP
View
A
Retailer 9
-
£508 GBP
$676 USD
View
A
Retailer 10
-
£558 GBP
$743 USD
View
B+
Retailer 11
-
£706 GBP
$940 USD
View
Retailer 12
-
£774 GBP
$1,031 USD
View
Price last confirmed 44 days ago
B+
Retailer 13
-
£888 GBP
$1,182 USD
View
B
Retailer 14
-
£1,112 GBP
View
Most Expensive
B
Brilliant Earth
15303157A · Oct 28
£2,185 GBP
$2,910 USD
View
14 more retailers have this diamond
Prices start from £222 GBPSave up to £1,963 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
2.54ct Round
£222 GBP