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Oval|Lab Grown|IGI

1.45ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG830624125

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830624125

Diamond specifications and retailer prices

From £209 GBP
$278 USD
As of October 29, 2026
Save £2,645 GBP (93%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,854 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.45ct lab-grown oval diamond

This 1.45ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830624125 or 830624125. Listed at 18 retailers as of October 29, 2026, with prices from £209 to £2,854, a £2,645 spread on the same certified stone. Brilliant Earth lists it at £2,854. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624125
Dimensions9.02 × 6.48 × 3.88 mm
L/W Ratio1.39
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
9.02 mm6.48 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624125
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.9%

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: £2,854 GBP|Low: £209 GBP|High: £2,854 GBP|Avg: £823 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 19£209 GBP
Retailer 4£234 GBP
Retailer 16£242 GBP
Retailer 7£258 GBP
Retailer 14£258 GBP
Retailer 13£375 GBP
Retailer 17£427 GBP
Retailer 9£438 GBP
Retailer 12£444 GBP
Retailer 2£455 GBP
Retailer 11£723 GBP
Retailer 18£794 GBP
Retailer 3£822 GBP
Retailer 6£831 GBP
Retailer 10£865 GBP
Retailer 5£869 GBP
Retailer 15£1,037 GBP
Retailer 8£2,347 GBP
Brilliant Earth£2,854 GBP

40 data points across 19 retailers

18 retailers£209 GBP to £2,854 GBP

A
Cheapest Retailer
-
£209 GBP
$278 USD
A
Retailer 2
-
£234 GBP
$311 USD
View
Final sale: no returns
A
Retailer 3
-
£242 GBP
$322 USD
View
A
Retailer 4
-
£258 GBP
$344 USD
View
A
Retailer 5
-
£258 GBP
$344 USD
View
A
Retailer 6
-
£375 GBP
$500 USD
View
A
Retailer 7
-
£427 GBP
$568 USD
View
A
Retailer 8
-
£444 GBP
ZAR 9,553 ZAR
View
A
Retailer 9
-
£455 GBP
View
B+
Retailer 10
-
£717 GBP
$955 USD
View
B+
Retailer 11
-
£794 GBP
$1,057 USD
View
B+
Retailer 12
-
£822 GBP
$1,094 USD
View
B+
Retailer 13
-
£831 GBP
$1,106 USD
View
B+
Retailer 14
-
£865 GBP
SGD 1,556 SGD
View
B+
Retailer 15
-
£869 GBP
$1,157 USD
View
B+
Retailer 16
-
£1,037 GBP
View
B
Retailer 17
-
£2,347 GBP
$3,125 USD
View
Most Expensive
B
Brilliant Earth
21434359A · Oct 29
£2,854 GBP
$3,800 USD
View
17 more retailers have this diamond
Prices start from £209 GBPSave up to £2,645 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
1.45ct Oval
£209 GBP