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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 $278 USD
As of October 26, 2026
Save $3,522 USD (93%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,800 USD 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 26, 2026, with prices from $278 to $3,800, a $3,522 spread on the same certified stone. Brilliant Earth lists it at $3,800. 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
Color
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 26
Current: $3,800 USD|Low: $278 USD|High: $3,800 USD|Avg: $1,096 USD
Brilliant Earth
Retailer 2
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Retailer 19
October 29, 2026
Retailer 19$278 USD
Retailer 4$311 USD
Retailer 16$322 USD
Retailer 7$344 USD
Retailer 14$344 USD
Retailer 13$500 USD
Retailer 17$568 USD
Retailer 9$583 USD
Retailer 12$591 USD
Retailer 2$606 USD
Retailer 11$963 USD
Retailer 18$1,057 USD
Retailer 3$1,094 USD
Retailer 6$1,106 USD
Retailer 10$1,151 USD
Retailer 5$1,157 USD
Retailer 15$1,380 USD
Retailer 8$3,125 USD
Brilliant Earth$3,800 USD

39 data points across 19 retailers

18 retailers$278 USD to $3,800 USD

A
Cheapest Retailer
-
$278 USD
A
Retailer 2
-
$311 USD
View
Final sale: no returns
A
Retailer 3
-
$322 USD
View
A
Retailer 4
-
$344 USD
View
A
Retailer 5
-
$344 USD
View
A
Retailer 6
-
$500 USD
View
A
Retailer 7
-
$568 USD
View
A
Retailer 8
-
$591 USD
ZAR 9,553 ZAR
View
A
Retailer 9
-
$606 USD
£477 GBP
View
B+
Retailer 10
-
$955 USD
View
B+
Retailer 11
-
$1,057 USD
View
B+
Retailer 12
-
$1,094 USD
View
B+
Retailer 13
-
$1,106 USD
View
B+
Retailer 14
-
$1,151 USD
SGD 1,556 SGD
View
B+
Retailer 15
-
$1,157 USD
View
B+
Retailer 16
-
$1,380 USD
£1,087 GBP
View
B
Retailer 17
-
$3,125 USD
View
Most Expensive
B
Brilliant Earth
21434359A · Oct 29
$3,800 USD
View
17 more retailers have this diamond
Prices start from $278 USDSave up to $3,522 USD

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
$278 USD