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Oval|Lab Grown|IGI

1.54ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG831696309

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831696309

Diamond specifications and retailer prices

From $377 AUD
$265 USD
As of October 29, 2026
Save $3,111 AUD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,488 AUD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

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 LG831696309 or 831696309. Listed at 24 retailers as of October 29, 2026, with prices from $377 to $3,488, a $3,111 spread on the same certified stone. Helzberg Diamonds lists it at $3,488. 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 angle35.9°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696309
Dimensions9.19 × 6.28 × 4.11 mm
L/W Ratio1.46
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
9.19 mm6.28 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696309
Side View
Table 59.0%Crown 35.9°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 65.4%

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 29
Current: $3,488 AUD|Low: $377 AUD|High: $4,128 AUD|Avg: $1,369 AUD
Helzberg Diamonds
Retailer 2
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Retailer 24
October 31, 2026
Retailer 8$377 AUD
Retailer 14$423 AUD
Retailer 16$438 AUD
Retailer 5$468 AUD
Retailer 9$468 AUD
Retailer 4$484 AUD
Retailer 19$698 AUD
Retailer 15$777 AUD
Retailer 2$789 AUD
Retailer 23$804 AUD
Retailer 12$843 AUD
Retailer 18$889 AUD
Retailer 24$1,088 AUD
Retailer 20$1,194 AUD
Retailer 6$1,481 AUD
Retailer 7$1,505 AUD
Retailer 17$1,548 AUD
Retailer 10$1,577 AUD
Retailer 13$1,683 AUD
Retailer 3$1,878 AUD
Retailer 11$1,994 AUD
Retailer 22$3,082 AUD
Retailer 21$3,431 AUD
Helzberg Diamonds$3,488 AUD

19 data points across 24 retailers

24 retailers$377 AUD to $3,488 AUD

A
Cheapest Retailer
-
$377 AUD
$265 USD
A
Retailer 2
-
$423 AUD
$297 USD
View
Final sale: no returns
A
Retailer 3
-
$438 AUD
$308 USD
View
A
Retailer 4
-
$468 AUD
$329 USD
View
A
Retailer 5
-
$468 AUD
$329 USD
View
Retailer 6
-
$484 AUD
£268 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$698 AUD
$490 USD
View
A
Retailer 8
-
$777 AUD
$546 USD
View
A
Retailer 9
-
$789 AUD
€528 EUR
View
A
Retailer 10
-
$804 AUD
ZAR 9,126 ZAR
View
A
Retailer 11
-
$843 AUD
$592 USD
View
A
Retailer 12
-
$889 AUD
£492 GBP
View
A
Retailer 13
-
$1,088 AUD
View
A
Retailer 14
-
$1,194 AUD
$839 USD
View
B+
Retailer 15
-
$1,481 AUD
$1,040 USD
View
B+
Retailer 16
-
$1,505 AUD
$1,057 USD
View
B+
Retailer 17
-
$1,548 AUD
SGD 1,469 SGD
View
B+
Retailer 18
-
$1,577 AUD
$1,108 USD
View
B+
Retailer 19
-
$1,683 AUD
$1,182 USD
View
B+
Retailer 20
-
$1,878 AUD
£1,039 GBP
View
B+
Retailer 21
-
$1,994 AUD
$1,401 USD
View
B
Retailer 22
-
$3,082 AUD
$2,165 USD
View
B
Retailer 23
-
$3,431 AUD
$2,410 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPMJGP · Oct 30
$3,488 AUD
$2,450 USD
View
23 more retailers have this diamond
Prices start from $377 AUDSave up to $3,111 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
$377 AUD