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Oval|Lab Grown|IGI

1.40ct G IF Oval Lab Grown Diamond

EX • G/IF • IGI LG639489807

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG639489807

Diamond specifications and retailer prices

From $448 AUD
As of November 3, 2026
Save $1,862 AUD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,549 AUD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.4ct lab-grown oval diamond

This 1.4ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG639489807 or 639489807. Listed at 23 retailers as of November 3, 2026, with a 416% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639489807
Dimensions9.08 × 6.49 × 3.86 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.08 mm6.49 mm1.40 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639489807
Side View
Table 61.0%Crown 34.2°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.5%

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: Nov 3
Current: $2,309 AUD|Low: $432 AUD|High: $3,549 AUD|Avg: $1,248 AUD|-34.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 7$448 AUD
Retailer 16$502 AUD
Retailer 5$519 AUD
Retailer 20$555 AUD
Retailer 14$616 AUD
Retailer 9$744 AUD
Retailer 10$777 AUD
Retailer 8$917 AUD
Retailer 3$948 AUD
Retailer 19$957 AUD
Retailer 2$978 AUD
Retailer 17$1,363 AUD
Retailer 11$1,393 AUD
Retailer 18$1,628 AUD
Retailer 4$1,783 AUD
Retailer 12$1,849 AUD
Retailer 15$1,867 AUD
Retailer 6$1,989 AUD
Retailer 13$2,217 AUD
Brilliant Earth$2,309 AUD

31 data points across 20 retailers

23 retailers$448 AUD to $2,309 AUD

A
Cheapest Retailer
-
$448 AUD
A
Retailer 2
-
$502 AUD
View
Final sale: no returns
A
Retailer 3
-
$519 AUD
View
Retailer 4
-
$535 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$555 AUD
View
A
Retailer 6
-
$616 AUD
View
A
Retailer 7
-
$744 AUD
View
A
Retailer 8
-
$777 AUD
View
A
Retailer 9
-
$917 AUD
View
A
Retailer 10
-
$948 AUD
View
A
Retailer 11
-
$957 AUD
View
A
Retailer 12
-
$978 AUD
View
B+
Retailer 13
-
$1,363 AUD
View
B+
Retailer 14
-
$1,378 AUD
View
B+
Retailer 15
-
$1,393 AUD
View
B+
Retailer 16
-
$1,628 AUD
View
B+
Retailer 17
-
$1,783 AUD
View
B+
Retailer 18
-
$1,849 AUD
View
B+
Retailer 19
-
$1,867 AUD
View
B+
Retailer 20
-
$1,989 AUD
View
B
Retailer 21
-
$2,217 AUD
View
B
Retailer 22
-
$2,309 AUD
View
Most Expensive
Brilliant Earth
14225550A · Oct 16
$3,549 AUD
$2,490 USD
View
Price last confirmed 19 days ago
22 more retailers have this diamond
Prices start from $448 AUDSave up to $1,862 AUD

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
1.40ct Oval
$448 AUD