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Oval|Lab Grown|IGI

1.51ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG840635018

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840635018

Diamond specifications and retailer prices

From $430 AUD
$302 USD
As of October 29, 2026
Save $4,752 AUD (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,182 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840635018 or 840635018. Listed at 21 retailers as of October 28, 2026, with prices from $430 to $5,182, a $4,752 spread on the same certified stone. Rare Carat lists it at $5,182. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635018
Dimensions9.29 × 6.45 × 3.95 mm
L/W Ratio1.44
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
9.29 mm6.45 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635018
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

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 29
Current: $5,182 AUD|Low: $430 AUD|High: $5,182 AUD|Avg: $1,682 AUD
Rare Carat
Retailer 2
Retailer 3
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Retailer 5
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Retailer 12
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Retailer 22
October 30, 2026
Retailer 5$430 AUD
Retailer 4$481 AUD
Retailer 20$498 AUD
Retailer 3$532 AUD
Retailer 19$532 AUD
Retailer 18$804 AUD
Retailer 9$870 AUD
Retailer 10$901 AUD
Retailer 6$910 AUD
Retailer 17$915 AUD
Retailer 13$946 AUD
Retailer 21$1,448 AUD
Retailer 22$1,637 AUD
Retailer 8$1,713 AUD
Retailer 7$1,780 AUD
Retailer 14$1,788 AUD
Retailer 12$1,805 AUD
Retailer 15$1,879 AUD
Retailer 16$2,146 AUD
Retailer 2$3,701 AUD
Retailer 11$4,022 AUD
Rare Carat$5,182 AUD

15 data points across 22 retailers

21 retailers$430 AUD to $5,182 AUD

A
Cheapest Retailer
-
$430 AUD
$302 USD
A
Retailer 2
-
$481 AUD
$338 USD
View
Final sale: no returns
A
Retailer 3
-
$498 AUD
$350 USD
View
A
Retailer 4
-
$532 AUD
$374 USD
View
A
Retailer 5
-
$532 AUD
$374 USD
View
A
Retailer 6
-
$804 AUD
$565 USD
View
A
Retailer 7
-
$870 AUD
$611 USD
View
A
Retailer 8
-
$901 AUD
$633 USD
View
A
Retailer 9
-
$915 AUD
ZAR 10,389 ZAR
View
A
Retailer 10
-
$946 AUD
£523 GBP
View
B+
Retailer 11
-
$1,448 AUD
$1,017 USD
View
B+
Retailer 12
-
$1,637 AUD
$1,150 USD
View
B+
Retailer 13
-
$1,713 AUD
$1,203 USD
View
B+
Retailer 14
-
$1,780 AUD
$1,250 USD
View
B+
Retailer 15
-
$1,788 AUD
$1,256 USD
View
B+
Retailer 16
-
$1,805 AUD
SGD 1,713 SGD
View
B+
Retailer 17
-
$1,879 AUD
$1,320 USD
View
B+
Retailer 18
-
$2,146 AUD
£1,187 GBP
View
B
Retailer 19
-
$3,701 AUD
$2,600 USD
View
B
Retailer 20
-
$4,022 AUD
$2,825 USD
View
Most Expensive
B
Rare Carat
PD-257438 · Oct 28
$5,182 AUD
$3,640 USD
View
20 more retailers have this diamond
Prices start from $430 AUDSave up to $4,752 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
1.51ct Oval
$430 AUD