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Round|Lab Grown|IGI

1.30ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG462132957

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462132957

Diamond specifications and retailer prices

From £487 GBP
As of November 5, 2026
Save £1,894 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,382 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG462132957 or 462132957. Listed at 10 retailers as of November 3, 2026, with prices from £487 to £2,382, a £1,894 spread on the same certified stone. MOH London lists it at £2,382. 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

1.30
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462132957
Dimensions6.97 × 7.03 × 4.30 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
6.97 mm7.03 mm1.30 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG462132957
Side View
Table 53.0%Crown 31.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.2%

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: £2,382 GBP|Low: £468 GBP|High: £2,411 GBP|Avg: £1,033 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4£487 GBP
Retailer 7£545 GBP
Retailer 2£550 GBP
Retailer 5£565 GBP
Retailer 8£915 GBP
Retailer 6£923 GBP
Retailer 9£1,265 GBP
Retailer 3£1,444 GBP
MOH London£2,382 GBP

17 data points across 9 retailers

10 retailers£487 GBP to £2,382 GBP

A
Cheapest Retailer
-
£487 GBP
A
Retailer 2
-
£530 GBP
View
A
Retailer 3
-
£545 GBP
View
Final sale: no returns
A
Retailer 4
-
£550 GBP
View
A
Retailer 5
-
£565 GBP
View
Retailer 6
-
£565 GBP
View
Price last confirmed 21 days ago
B+
Retailer 7
-
£923 GBP
View
B
Retailer 8
-
£1,444 GBP
View
B
Retailer 9
-
£1,590 GBP
View
Most Expensive
B
MOH London
LG462132957 · Nov 3
£2,382 GBP
View
9 more retailers have this diamond
Prices start from £487 GBPSave up to £1,894 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
1.30ct Round
£487 GBP