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Round|Lab Grown|IGI

2.30ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG474128807

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474128807

Diamond specifications and retailer prices

From £963 GBP
$1,290 USD
As of October 30, 2026
Save £5,684 GBP (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £6,647 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 2.3ct lab-grown round diamond

This 2.3ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474128807 or 474128807. Listed at 11 retailers as of October 29, 2026, with prices from £963 to £6,647, a £5,684 spread on the same certified stone. MOH London lists it at £6,647. 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

2.30
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474128807
Dimensions8.52 × 8.56 × 5.13 mm
L/W Ratio1.00
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
8.52 mm8.56 mm2.30 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474128807
Side View
Table 56.0%Crown 31.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.1%

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: Oct 30
Current: £6,647 GBP|Low: £963 GBP|High: £9,336 GBP|Avg: £3,991 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2£963 GBP
Retailer 4£2,249 GBP
Retailer 7£2,518 GBP
Retailer 5£2,608 GBP
Retailer 8£2,728 GBP
Retailer 9£3,138 GBP
Retailer 3£3,672 GBP
Retailer 6£4,055 GBP
MOH London£6,647 GBP
Retailer 10£9,336 GBP

17 data points across 10 retailers

11 retailers£963 GBP to £6,647 GBP

A
Cheapest Retailer
-
£963 GBP
$1,290 USD
B+
Retailer 2
-
£2,249 GBP
$3,013 USD
View
B+
Retailer 3
-
£2,446 GBP
$3,278 USD
View
B+
Retailer 4
-
£2,518 GBP
$3,374 USD
View
Final sale: no returns
Retailer 5
-
£2,608 GBP
$3,495 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
£2,608 GBP
$3,495 USD
View
B+
Retailer 7
-
£2,728 GBP
$3,655 USD
View
B
Retailer 8
-
£3,260 GBP
$4,368 USD
View
B
Retailer 9
-
£3,672 GBP
$4,920 USD
View
B
Retailer 10
-
£4,055 GBP
$5,433 USD
View
Most Expensive
B
MOH London
LG474128807 · Oct 29
£6,647 GBP
View
10 more retailers have this diamond
Prices start from £963 GBPSave up to £5,684 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
2.30ct Round
£963 GBP