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Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG662404919

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG662404919

Diamond specifications and retailer prices

From $408 AUD
$285 USD
As of November 1, 2026
Save $3,773 AUD (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,181 AUD at Brilliant Earth · As of November 3, 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 LG662404919 or 662404919. Listed at 26 retailers as of November 1, 2026, with prices from $408 to $4,181, a $3,773 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 angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662404919
Dimensions9.23 × 6.53 × 4.08 mm
L/W Ratio1.41
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
9.23 mm6.53 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662404919
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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 1
Current: $4,181 AUD|Low: $392 AUD|High: $7,045 AUD|Avg: $1,513 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
November 3, 2026
Retailer 3$408 AUD
Retailer 14$457 AUD
Retailer 19$474 AUD
Retailer 5$507 AUD
Retailer 7$542 AUD
Retailer 8$716 AUD
Retailer 15$730 AUD
Retailer 18$834 AUD
Retailer 12$874 AUD
Retailer 2$886 AUD
Retailer 17$1,178 AUD
Retailer 9$1,489 AUD
Retailer 6$1,556 AUD
Retailer 4$1,628 AUD
Retailer 11$1,947 AUD
Retailer 13$2,029 AUD
Retailer 10$2,099 AUD
Retailer 16$2,713 AUD
Brilliant Earth$4,181 AUD

32 data points across 19 retailers

26 retailers$408 AUD to $4,181 AUD

A
Cheapest Retailer
-
$408 AUD
$285 USD
A
Retailer 2
-
$457 AUD
$319 USD
View
Final sale: no returns
A
Retailer 3
-
$474 AUD
$331 USD
View
A
Retailer 4
-
$507 AUD
$354 USD
View
A
Retailer 5
-
$587 AUD
HK$3,200 HKD
View
A
Retailer 6
-
$716 AUD
$500 USD
View
A
Retailer 7
-
$730 AUD
$510 USD
View
A
Retailer 8
-
$834 AUD
€555 EUR
View
A
Retailer 9
-
$874 AUD
ZAR 9,856 ZAR
View
A
Retailer 10
-
$881 AUD
$615 USD
View
A
Retailer 11
-
$886 AUD
£487 GBP
View
A
Retailer 12
-
$985 AUD
View
A
Retailer 13
-
$1,135 AUD
$793 USD
View
A
Retailer 14
-
$1,178 AUD
View
B+
Retailer 15
-
$1,489 AUD
$1,040 USD
View
B+
Retailer 16
-
$1,556 AUD
$1,087 USD
View
B+
Retailer 17
-
$1,628 AUD
$1,137 USD
View
B+
Retailer 18
-
$1,699 AUD
$1,187 USD
View
B+
Retailer 19
-
$1,707 AUD
SGD 1,611 SGD
View
B+
Retailer 20
-
$1,947 AUD
$1,360 USD
View
B+
Retailer 21
-
$2,029 AUD
£1,116 GBP
View
B+
Retailer 22
-
$2,099 AUD
$1,466 USD
View
B+
Retailer 23
-
$2,235 AUD
$1,561 USD
View
B+
Retailer 24
-
$2,713 AUD
View
Retailer 25
-
$3,480 AUD
$2,430 USD
View
Price last confirmed 36 days ago
Most Expensive
B
Brilliant Earth
12039310A · Nov 3
$4,181 AUD
$2,920 USD
View
25 more retailers have this diamond
Prices start from $408 AUDSave up to $3,773 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
$408 AUD