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Oval|Lab Grown|IGI

1.50ct F FL Oval Lab Grown Diamond

ID • F/FL • IGI LG818654386

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818654386

Diamond specifications and retailer prices

From $584 AUD
As of November 4, 2026
Save $2,930 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,514 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654386 or 818654386. Listed at 13 retailers as of November 4, 2026, with prices from $584 to $3,514, a $2,930 spread on the same certified stone. Brilliant Earth lists it at $3,514. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654386
Dimensions9.22 × 6.54 × 3.99 mm
L/W Ratio1.41
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
9.22 mm6.54 mm1.50 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654386
Side View
Table 62.0%Crown 33.3°Girdle: MED-STKPavilion 40.8°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: Nov 4
Current: $3,514 AUD|Low: $584 AUD|High: $5,785 AUD|Avg: $2,159 AUD|-39.3%
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
November 6, 2026
Retailer 4$584 AUD
Retailer 13$714 AUD
Retailer 8$831 AUD
Retailer 10$877 AUD
Retailer 2$880 AUD
Retailer 9$1,131 AUD
Retailer 11$1,411 AUD
Retailer 5$1,493 AUD
Retailer 12$1,693 AUD
Retailer 7$2,023 AUD
Retailer 3$2,228 AUD
Retailer 6$2,814 AUD
Brilliant Earth$3,514 AUD

44 data points across 13 retailers

13 retailers$584 AUD to $3,514 AUD

A
Cheapest Retailer
-
$584 AUD
A
Retailer 2
-
$714 AUD
View
A
Retailer 3
-
$831 AUD
View
A
Retailer 4
-
$877 AUD
View
A
Retailer 5
-
$880 AUD
View
A
Retailer 6
-
$1,131 AUD
View
B+
Retailer 7
-
$1,411 AUD
View
B+
Retailer 8
-
$1,493 AUD
View
B+
Retailer 9
-
$1,693 AUD
View
B+
Retailer 10
-
$2,023 AUD
View
B+
Retailer 11
-
$2,228 AUD
View
B+
Retailer 12
-
$2,814 AUD
View
Most Expensive
B
Brilliant Earth
21143429A · Nov 4
$3,514 AUD
$2,460 USD
View
12 more retailers have this diamond
Prices start from $584 AUDSave up to $2,930 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
1.50ct Oval
$584 AUD