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Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG739559978

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG739559978

Diamond specifications and retailer prices

From $457 AUD
$319 USD
As of November 3, 2026
Save $3,724 AUD (89%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $4,181 AUD at Brilliant Earth · As of November 2, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739559978 or 739559978. Listed at 29 retailers as of November 2, 2026, with prices from $457 to $4,181, a $3,724 spread on the same certified stone. Brilliant Earth lists it at $4,181. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739559978
Dimensions9.40 × 6.44 × 4.06 mm
L/W Ratio1.46
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 mm6.44 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739559978
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 3
Current: $4,181 AUD|Low: $457 AUD|High: $7,045 AUD|Avg: $1,692 AUD|-40.7%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 3, 2026
Retailer 17$457 AUD
Retailer 10$587 AUD
Retailer 3$716 AUD
Retailer 18$730 AUD
Retailer 20$834 AUD
Retailer 13$874 AUD
Retailer 7$881 AUD
Retailer 2$886 AUD
Retailer 8$1,013 AUD
Retailer 9$1,135 AUD
Retailer 19$1,178 AUD
Retailer 4$1,489 AUD
Retailer 21$1,556 AUD
Retailer 11$1,699 AUD
Retailer 12$1,707 AUD
Retailer 6$1,947 AUD
Retailer 16$2,029 AUD
Retailer 5$2,099 AUD
Retailer 14$2,235 AUD
Retailer 22$2,744 AUD
Retailer 15$3,480 AUD
Brilliant Earth$4,181 AUD

36 data points across 22 retailers

29 retailers$457 AUD to $4,181 AUD

A+
Cheapest Retailer
-
$457 AUD
$319 USD
Final sale: no returns
Retailer 2
-
$504 AUD
$352 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$507 AUD
$354 USD
View
Retailer 4
-
$507 AUD
$354 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$507 AUD
$354 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$531 AUD
$371 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$587 AUD
HK$3,200 HKD
View
A
Retailer 8
-
$716 AUD
$500 USD
View
A
Retailer 9
-
$730 AUD
$510 USD
View
A
Retailer 10
-
$834 AUD
€555 EUR
View
A
Retailer 11
-
$874 AUD
ZAR 9,856 ZAR
View
A
Retailer 12
-
$881 AUD
$615 USD
View
A
Retailer 13
-
$886 AUD
£487 GBP
View
A
Retailer 14
-
$1,013 AUD
View
A
Retailer 15
-
$1,135 AUD
$793 USD
View
A
Retailer 16
-
$1,178 AUD
View
B+
Retailer 17
-
$1,489 AUD
$1,040 USD
View
B+
Retailer 18
-
$1,556 AUD
$1,087 USD
View
Retailer 19
-
$1,628 AUD
$1,137 USD
View
Price last confirmed 24 days ago
B+
Retailer 20
-
$1,699 AUD
$1,187 USD
View
B+
Retailer 21
-
$1,707 AUD
SGD 1,611 SGD
View
Retailer 22
-
$1,731 AUD
$1,209 USD
View
Price last confirmed 34 days ago
B+
Retailer 23
-
$1,947 AUD
$1,360 USD
View
B+
Retailer 24
-
$2,029 AUD
£1,116 GBP
View
B+
Retailer 25
-
$2,099 AUD
$1,466 USD
View
B+
Retailer 26
-
$2,235 AUD
$1,561 USD
View
Retailer 27
-
$2,744 AUD
View
Price last confirmed 26 days ago
Retailer 28
-
$3,480 AUD
$2,430 USD
View
Price last confirmed 36 days ago
Most Expensive
B
Brilliant Earth
16164102A · Nov 2
$4,181 AUD
$2,920 USD
View
28 more retailers have this diamond
Prices start from $457 AUDSave up to $3,724 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
$457 AUD