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Round|Lab Grown|IGI

2.50ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG770612397

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770612397

Diamond specifications and retailer prices

From £226 GBP
As of November 5, 2026
Save £894 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,120 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770612397 or 770612397. Listed at 15 retailers as of November 5, 2026, with prices from £226 to £1,120, a £894 spread on the same certified stone. MOH London lists it at £1,120. 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

2.50
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770612397
Dimensions8.86 × 8.81 × 5.18 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
8.86 mm8.81 mm2.50 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770612397
Side View
Table 62.0%Crown 32.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
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: Nov 5
Current: £1,120 GBP|Low: £212 GBP|High: £2,014 GBP|Avg: £634 GBP|+2.0%
MOH London
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
November 6, 2026
Retailer 6£226 GBP
Retailer 14£262 GBP
Retailer 10£280 GBP
Retailer 7£310 GBP
Retailer 11£445 GBP
Retailer 5£457 GBP
Retailer 2£489 GBP
Retailer 13£504 GBP
Retailer 3£558 GBP
Retailer 9£707 GBP
Retailer 8£869 GBP
Retailer 12£901 GBP
Retailer 4£1,085 GBP
MOH London£1,120 GBP

45 data points across 14 retailers

15 retailers£226 GBP to £1,120 GBP

A
Cheapest Retailer
-
£226 GBP
A
Retailer 2
-
£262 GBP
View
Retailer 3
-
£274 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£280 GBP
View
B+
Retailer 5
-
£310 GBP
View
Final sale: no returns
A
Retailer 6
-
£445 GBP
View
B+
Retailer 7
-
£457 GBP
View
B+
Retailer 8
-
£489 GBP
View
B+
Retailer 9
-
£504 GBP
View
B+
Retailer 10
-
£558 GBP
View
B+
Retailer 11
-
£707 GBP
View
B
Retailer 12
-
£869 GBP
View
B
Retailer 13
-
£901 GBP
View
B
Retailer 14
-
£1,085 GBP
View
Most Expensive
B
MOH London
LG770612397 · Nov 5
£1,120 GBP
View
14 more retailers have this diamond
Prices start from £226 GBPSave up to £894 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
2.50ct Round
£226 GBP