Oval|Lab Grown|IGI

1.30ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG528232534

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG528232534

Diamond specifications and retailer prices

From £159 GBP
$212 USD
As of October 29, 2026
Save £719 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £878 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct lab-grown oval diamond

This 1.3ct lab-grown oval 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 LG528232534 or 528232534. Listed at 12 retailers as of October 29, 2026, with prices from £159 to £878, a £719 spread on the same certified stone. MOH London lists it at £878. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528232534
Dimensions8.79 × 6.28 × 3.74 mm
L/W Ratio1.40
Girdle conditionFaceted
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
8.79 mm6.28 mm1.30 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528232534
Side View
Table 61.0%Crown 38.1°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 59.6%

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: Oct 29
Current: £878 GBP|Low: £126 GBP|High: £878 GBP|Avg: £408 GBP|+9.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7£159 GBP
Retailer 5£185 GBP
Retailer 9£197 GBP
Retailer 11£197 GBP
Retailer 2£316 GBP
Retailer 12£340 GBP
Retailer 10£439 GBP
Retailer 3£565 GBP
Retailer 6£637 GBP
Retailer 4£680 GBP
Retailer 8£701 GBP
MOH London£878 GBP

30 data points across 12 retailers

12 retailers£159 GBP to £878 GBP

A
Cheapest Retailer
-
£159 GBP
$212 USD
B+
Retailer 2
-
£185 GBP
$246 USD
View
B+
Retailer 3
-
£197 GBP
$263 USD
View
B+
Retailer 4
-
£197 GBP
$263 USD
View
B+
Retailer 5
-
£316 GBP
View
B+
Retailer 6
-
£340 GBP
$453 USD
View
B+
Retailer 7
-
£439 GBP
$584 USD
View
B+
Retailer 8
-
£565 GBP
$752 USD
View
B
Retailer 9
-
£637 GBP
$848 USD
View
B
Retailer 10
-
£680 GBP
$905 USD
View
B
Retailer 11
-
£701 GBP
$933 USD
View
Most Expensive
B
MOH London
LG528232534 · Oct 29
£878 GBP
View
11 more retailers have this diamond
Prices start from £159 GBPSave up to £719 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 Oval
£159 GBP