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Oval|Lab Grown|IGI

1.54ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG783641690

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG783641690

Diamond specifications and retailer prices

From $948 AUD
$662 USD
As of November 1, 2026
Save $3,684 AUD (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,790 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG783641690 or 783641690. Listed at 25 retailers as of November 1, 2026, with a 389% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783641690
Dimensions9.40 × 6.47 × 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 mm6.47 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783641690
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.3%

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: Nov 1
Current: $7,790 AUD|Low: $909 AUD|High: $7,790 AUD|Avg: $2,731 AUD
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
November 3, 2026
Retailer 3$948 AUD
Retailer 17$1,031 AUD
Retailer 5$1,100 AUD
Retailer 6$1,100 AUD
Retailer 12$1,243 AUD
Retailer 14$1,353 AUD
Retailer 7$1,575 AUD
Retailer 16$1,701 AUD
Retailer 2$1,758 AUD
Retailer 10$2,020 AUD
Retailer 11$2,484 AUD
Retailer 4$3,091 AUD
Retailer 9$3,553 AUD
Retailer 15$3,632 AUD
Retailer 13$4,632 AUD
Retailer 8$5,749 AUD
Brilliant Earth$7,790 AUD

38 data points across 17 retailers

25 retailers$948 AUD to $4,632 AUD

A
Cheapest Retailer
-
$948 AUD
$662 USD
A
Retailer 2
-
$1,031 AUD
$720 USD
View
A
Retailer 3
-
$1,061 AUD
$741 USD
View
Final sale: no returns
A
Retailer 4
-
$1,100 AUD
$768 USD
View
Retailer 5
-
$1,100 AUD
$768 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,243 AUD
£683 GBP
View
A
Retailer 7
-
$1,353 AUD
$945 USD
View
B+
Retailer 8
-
$1,449 AUD
$1,012 USD
View
B+
Retailer 9
-
$1,575 AUD
$1,100 USD
View
B+
Retailer 10
-
$1,672 AUD
$1,168 USD
View
B+
Retailer 11
-
$1,701 AUD
View
B+
Retailer 12
-
$1,758 AUD
£967 GBP
View
B+
Retailer 13
-
$2,020 AUD
ZAR 22,789 ZAR
View
B+
Retailer 14
-
$2,484 AUD
$1,735 USD
View
B
Retailer 15
-
$3,091 AUD
$2,159 USD
View
B
Retailer 16
-
$3,426 AUD
£1,884 GBP
View
B+
Retailer 17
-
$3,553 AUD
$2,481 USD
View
B
Retailer 18
-
$3,632 AUD
€2,416 EUR
View
B
Retailer 19
-
$3,705 AUD
SGD 3,497 SGD
View
B
Retailer 20
-
$3,750 AUD
$2,619 USD
View
B
Retailer 21
-
$3,793 AUD
$2,649 USD
View
B
Retailer 22
-
$3,820 AUD
$2,668 USD
View
B
Retailer 23
-
$4,632 AUD
£2,547 GBP
View
Retailer 24
-
$5,749 AUD
$4,015 USD
View
Price last confirmed 19 days ago
Most Expensive
Brilliant Earth
18648141A · Nov 3
$7,790 AUD
$5,440 USD
View
Price under review
24 more retailers have this diamond
Prices start from $948 AUDSave up to $3,684 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
$948 AUD