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Oval|Lab Grown|IGI

0.90ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG499190480

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG499190480

Diamond specifications and retailer prices

From £388 GBP
$520 USD
As of October 30, 2026
Save £2,096 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,484 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown oval diamond

This 0.9ct 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 LG499190480 or 499190480. Listed at 11 retailers as of October 29, 2026, with prices from £388 to £2,484, a £2,096 spread on the same certified stone. MOH London lists it at £2,484. 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

0.90
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190480
Dimensions7.98 × 5.17 × 3.34 mm
L/W Ratio1.54
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
7.98 mm5.17 mm0.90 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190480
Side View
Table 59.5%Crown 35.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.6%

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 30
Current: £2,484 GBP|Low: £388 GBP|High: £2,832 GBP|Avg: £1,154 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
Retailer 12
October 30, 2026
Retailer 2£388 GBP
Retailer 7£569 GBP
Retailer 10£637 GBP
Retailer 8£659 GBP
Retailer 11£659 GBP
Retailer 12£791 GBP
Retailer 5£991 GBP
Retailer 3£1,022 GBP
Retailer 9£1,066 GBP
Retailer 6£1,568 GBP
MOH London£2,484 GBP
Retailer 4£2,832 GBP

38 data points across 12 retailers

11 retailers£388 GBP to £2,484 GBP

A
Cheapest Retailer
-
£388 GBP
$520 USD
B+
Retailer 2
-
£569 GBP
$762 USD
View
B+
Retailer 3
-
£619 GBP
$829 USD
View
B+
Retailer 4
-
£637 GBP
$853 USD
View
Final sale: no returns
B+
Retailer 5
-
£659 GBP
$883 USD
View
Retailer 6
-
£659 GBP
$883 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
£991 GBP
View
B
Retailer 8
-
£1,066 GBP
$1,428 USD
View
B
Retailer 9
-
£1,568 GBP
$2,101 USD
View
B
Retailer 10
-
£1,854 GBP
$2,484 USD
View
Most Expensive
B
MOH London
LG499190480 · Oct 29
£2,484 GBP
View
10 more retailers have this diamond
Prices start from £388 GBPSave up to £2,096 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
0.90ct Oval
£388 GBP