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Oval|Lab Grown|IGI

1.05ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG440012192

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440012192

Diamond specifications and retailer prices

From £448 GBP
As of November 5, 2026
Save £1,960 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,407 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.05ct lab-grown oval diamond

This 1.05ct lab-grown oval sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012192 or 440012192. Listed at 11 retailers as of November 3, 2026, with prices from £448 to £2,407, a £1,960 spread on the same certified stone. MOH London lists it at £2,407. 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

1.05
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012192
Dimensions8.06 × 5.63 × 3.58 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.06 mm5.63 mm1.05 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG440012192
Side View
Table 60.0%Crown 35.6°Girdle: UNDPavilion 41.5°Culet: NoneDepth 63.6%

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: £2,407 GBP|Low: £430 GBP|High: £2,437 GBP|Avg: £942 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5£448 GBP
Retailer 2£448 GBP
Retailer 8£500 GBP
Retailer 6£554 GBP
Retailer 10£554 GBP
Retailer 9£650 GBP
Retailer 7£851 GBP
Retailer 11£874 GBP
Retailer 4£1,376 GBP
Retailer 3£1,485 GBP
MOH London£2,407 GBP

13 data points across 11 retailers

11 retailers£448 GBP to £2,407 GBP

A
Cheapest Retailer
-
£448 GBP
A
Retailer 2
-
£448 GBP
View
A
Retailer 3
-
£500 GBP
View
Final sale: no returns
A
Retailer 4
-
£501 GBP
View
Retailer 5
-
£554 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
£554 GBP
View
A
Retailer 7
-
£650 GBP
View
B+
Retailer 8
-
£851 GBP
View
B
Retailer 9
-
£1,376 GBP
View
B
Retailer 10
-
£1,458 GBP
View
Most Expensive
B
MOH London
LG440012192 · Nov 3
£2,407 GBP
View
10 more retailers have this diamond
Prices start from £448 GBPSave up to £1,960 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
1.05ct Oval
£448 GBP