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Round|Lab Grown|IGI

2.58ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG476156057

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476156057

Diamond specifications and retailer prices

From £1,055 GBP
As of November 5, 2026
Save £5,639 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,694 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 2.58ct lab-grown round diamond

This 2.58ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476156057 or 476156057. Listed at 10 retailers as of November 3, 2026, with prices from £1,055 to £6,694, a £5,639 spread on the same certified stone. MOH London lists it at £6,694. 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

2.58
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476156057
Dimensions8.72 × 8.78 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.72 mm8.78 mm2.58 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476156057
Side View
Table 57.5%Crown 36°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
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: Nov 5
Current: £6,694 GBP|Low: £1,055 GBP|High: £6,784 GBP|Avg: £3,602 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2£1,055 GBP
Retailer 4£2,277 GBP
Retailer 7£2,549 GBP
Retailer 5£2,641 GBP
Retailer 8£2,641 GBP
Retailer 9£3,181 GBP
Retailer 3£3,717 GBP
Retailer 6£4,103 GBP
Retailer 10£5,912 GBP
MOH London£6,694 GBP

16 data points across 10 retailers

10 retailers£1,055 GBP to £6,694 GBP

A
Cheapest Retailer
-
£1,055 GBP
B+
Retailer 2
-
£2,277 GBP
View
B+
Retailer 3
-
£2,477 GBP
View
B+
Retailer 4
-
£2,549 GBP
View
Final sale: no returns
Retailer 5
-
£2,641 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£2,641 GBP
View
B
Retailer 7
-
£3,300 GBP
View
B
Retailer 8
-
£3,717 GBP
View
B
Retailer 9
-
£4,103 GBP
View
Most Expensive
B
MOH London
LG476156057 · Nov 3
£6,694 GBP
View
9 more retailers have this diamond
Prices start from £1,055 GBPSave up to £5,639 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
2.58ct Round
£1,055 GBP