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Oval|Lab Grown|IGI

1.54ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG743509340

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG743509340

Diamond specifications and retailer prices

From $515 AUD
$362 USD
As of October 29, 2026
Save $4,538 AUD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,054 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743509340 or 743509340. Listed at 25 retailers as of October 29, 2026, with prices from $515 to $5,054, a $4,538 spread on the same certified stone. Brilliant Earth lists it at $5,054. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743509340
Dimensions9.40 × 6.48 × 4.03 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
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
9.40 mm6.48 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743509340
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.2%

Caratlytics Score

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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: $5,054 AUD|Low: $495 AUD|High: $5,395 AUD|Avg: $1,518 AUD|-1.7%
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
October 31, 2026
Retailer 18$515 AUD
Retailer 10$577 AUD
Retailer 7$598 AUD
Retailer 4$639 AUD
Retailer 14$854 AUD
Retailer 9$1,002 AUD
Retailer 5$1,024 AUD
Retailer 2$1,028 AUD
Retailer 13$1,100 AUD
Retailer 11$1,154 AUD
Retailer 12$1,485 AUD
Retailer 17$1,876 AUD
Retailer 8$2,045 AUD
Retailer 6$2,057 AUD
Retailer 3$2,225 AUD
Retailer 16$2,513 AUD
Retailer 15$3,132 AUD
Brilliant Earth$5,054 AUD

43 data points across 18 retailers

25 retailers$515 AUD to $5,054 AUD

A
Cheapest Retailer
-
$515 AUD
$362 USD
A
Retailer 2
-
$577 AUD
$405 USD
View
Final sale: no returns
A
Retailer 3
-
$598 AUD
$420 USD
View
A
Retailer 4
-
$639 AUD
$449 USD
View
A
Retailer 5
-
$639 AUD
$449 USD
View
A
Retailer 6
-
$711 AUD
HK$3,900 HKD
View
A
Retailer 7
-
$854 AUD
$600 USD
View
A
Retailer 8
-
$1,002 AUD
$704 USD
View
A
Retailer 9
-
$1,024 AUD
$719 USD
View
A
Retailer 10
-
$1,028 AUD
€688 EUR
View
A
Retailer 11
-
$1,100 AUD
ZAR 12,478 ZAR
View
A
Retailer 12
-
$1,154 AUD
£638 GBP
View
B+
Retailer 13
-
$1,485 AUD
View
B+
Retailer 14
-
$1,528 AUD
$1,073 USD
View
B+
Retailer 15
-
$1,876 AUD
$1,318 USD
View
B+
Retailer 16
-
$2,045 AUD
SGD 1,941 SGD
View
B+
Retailer 17
-
$2,057 AUD
$1,445 USD
View
B+
Retailer 18
-
$2,114 AUD
$1,485 USD
View
B+
Retailer 19
-
$2,225 AUD
$1,563 USD
View
B
Retailer 20
-
$2,417 AUD
$1,698 USD
View
B
Retailer 21
-
$2,437 AUD
$1,712 USD
View
B
Retailer 22
-
$2,495 AUD
£1,380 GBP
View
B+
Retailer 23
-
$2,513 AUD
£1,390 GBP
View
B
Retailer 24
-
$3,132 AUD
$2,200 USD
View
Most Expensive
B
Brilliant Earth
19055749A · Oct 30
$5,054 AUD
$3,550 USD
View
24 more retailers have this diamond
Prices start from $515 AUDSave up to $4,538 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
1.54ct Oval
$515 AUD