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Oval|Lab Grown|IGI

0.91ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445036936

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036936

Diamond specifications and retailer prices

From £396 GBP
$530 USD
As of October 30, 2026
Save £2,115 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,511 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown oval diamond

This 0.91ct lab-grown oval sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036936 or 445036936. Listed at 10 retailers as of October 29, 2026, with prices from £396 to £2,511, a £2,115 spread on the same certified stone. MOH London lists it at £2,511. 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

0.91
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036936
Dimensions7.66 × 5.59 × 3.32 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.66 mm5.59 mm0.91 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445036936
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.4%

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: £2,511 GBP|Low: £396 GBP|High: £2,862 GBP|Avg: £1,191 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2£396 GBP
Retailer 5£575 GBP
Retailer 8£643 GBP
Retailer 6£666 GBP
Retailer 9£666 GBP
Retailer 10£799 GBP
Retailer 11£1,031 GBP
Retailer 7£1,078 GBP
Retailer 4£1,584 GBP
MOH London£2,511 GBP
Retailer 3£2,862 GBP

15 data points across 11 retailers

10 retailers£396 GBP to £2,511 GBP

A
Cheapest Retailer
-
£396 GBP
$530 USD
B+
Retailer 2
-
£575 GBP
$770 USD
View
B+
Retailer 3
-
£625 GBP
$837 USD
View
B+
Retailer 4
-
£643 GBP
$861 USD
View
Final sale: no returns
Retailer 5
-
£666 GBP
$893 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
£666 GBP
$893 USD
View
B
Retailer 7
-
£1,078 GBP
$1,444 USD
View
B
Retailer 8
-
£1,584 GBP
$2,123 USD
View
B
Retailer 9
-
£1,873 GBP
$2,510 USD
View
Most Expensive
B
MOH London
LG445036936 · Oct 29
£2,511 GBP
View
9 more retailers have this diamond
Prices start from £396 GBPSave up to £2,115 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
0.91ct Oval
£396 GBP