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Oval|Lab Grown|IGI

1.05ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG830622449

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830622449

Diamond specifications and retailer prices

From £137 GBP
$182 USD
As of October 26, 2026
Save £1,027 GBP (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,164 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.05ct lab-grown oval diamond

This 1.05ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830622449 or 830622449. Listed at 19 retailers as of October 26, 2026, with prices from £137 to £1,164, a £1,027 spread on the same certified stone. Brilliant Earth lists it at £1,164. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830622449
Dimensions8.41 × 5.69 × 3.47 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.41 mm5.69 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830622449
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

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 26
Current: £1,164 GBP|Low: £153 GBP|High: £1,164 GBP|Avg: £485 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 14£153 GBP
Retailer 8£291 GBP
Retailer 3£298 GBP
Retailer 11£300 GBP
Retailer 2£305 GBP
Retailer 9£413 GBP
Retailer 12£427 GBP
Retailer 5£445 GBP
Retailer 13£477 GBP
Retailer 6£585 GBP
Retailer 4£599 GBP
Retailer 10£785 GBP
Retailer 7£795 GBP
Brilliant Earth£1,164 GBP

38 data points across 14 retailers

19 retailers£137 GBP to £1,164 GBP

A
Cheapest Retailer
-
£137 GBP
$182 USD
A
Retailer 2
-
£153 GBP
$204 USD
View
Final sale: no returns
A
Retailer 3
-
£158 GBP
$211 USD
View
A
Retailer 4
-
£169 GBP
$225 USD
View
A
Retailer 5
-
£169 GBP
$225 USD
View
A
Retailer 6
-
£291 GBP
ZAR 6,253 ZAR
View
A
Retailer 7
-
£298 GBP
$397 USD
View
A
Retailer 8
-
£300 GBP
€381 EUR
View
A
Retailer 9
-
£305 GBP
View
A
Retailer 10
-
£413 GBP
A$846 AUD
View
B+
Retailer 11
-
£427 GBP
$569 USD
View
B+
Retailer 12
-
£445 GBP
$593 USD
View
B+
Retailer 13
-
£477 GBP
SGD 858 SGD
View
B+
Retailer 14
-
£544 GBP
$725 USD
View
B+
Retailer 15
-
£585 GBP
$779 USD
View
B+
Retailer 16
-
£588 GBP
$783 USD
View
B+
Retailer 17
-
£785 GBP
$1,045 USD
View
B+
Retailer 18
-
£795 GBP
View
Most Expensive
B
Brilliant Earth
21434250A · Oct 29
£1,164 GBP
$1,550 USD
View
18 more retailers have this diamond
Prices start from £137 GBPSave up to £1,027 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
£137 GBP