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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG781617081

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781617081

Diamond specifications and retailer prices

From $622 AUD
$437 USD
As of October 29, 2026
Save $4,004 AUD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,626 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round 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 LG781617081 or 781617081. Listed at 26 retailers as of October 29, 2026, with prices from $622 to $4,626, a $4,004 spread on the same certified stone. Brilliant Earth lists it at $4,626. 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 angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781617081
Dimensions7.29 × 7.36 × 4.58 mm
L/W Ratio1.01
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
7.29 mm7.36 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781617081
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

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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: Oct 29
Current: $4,626 AUD|Low: $622 AUD|High: $4,640 AUD|Avg: $1,664 AUD|-0.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
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Retailer 22
October 29, 2026
Retailer 22$622 AUD
Retailer 5$696 AUD
Retailer 20$697 AUD
Retailer 7$771 AUD
Retailer 8$771 AUD
Retailer 19$838 AUD
Retailer 18$975 AUD
Retailer 9$1,036 AUD
Retailer 16$1,208 AUD
Retailer 6$1,220 AUD
Retailer 2$1,267 AUD
Retailer 17$1,326 AUD
Retailer 15$1,358 AUD
Retailer 4$1,475 AUD
Retailer 21$1,863 AUD
Retailer 11$2,450 AUD
Retailer 3$2,481 AUD
Retailer 14$2,528 AUD
Retailer 10$2,776 AUD
Retailer 13$2,849 AUD
Retailer 12$2,888 AUD
Brilliant Earth$4,626 AUD

35 data points across 22 retailers

26 retailers$622 AUD to $4,626 AUD

A+
Cheapest Retailer
-
$622 AUD
$437 USD
A
Retailer 2
-
$696 AUD
$489 USD
View
Final sale: no returns
A
Retailer 3
-
$697 AUD
$490 USD
View
A
Retailer 4
-
$771 AUD
$542 USD
View
A
Retailer 5
-
$771 AUD
$542 USD
View
A
Retailer 6
-
$838 AUD
HK$4,600 HKD
View
A
Retailer 7
-
$975 AUD
$685 USD
View
A
Retailer 8
-
$1,036 AUD
$728 USD
View
A
Retailer 9
-
$1,208 AUD
€808 EUR
View
A
Retailer 10
-
$1,220 AUD
$857 USD
View
A
Retailer 11
-
$1,267 AUD
£701 GBP
View
A
Retailer 12
-
$1,326 AUD
ZAR 15,048 ZAR
View
A
Retailer 13
-
$1,358 AUD
View
A
Retailer 14
-
$1,475 AUD
$1,036 USD
View
B+
Retailer 15
-
$1,863 AUD
$1,309 USD
View
B+
Retailer 16
-
$2,176 AUD
$1,529 USD
View
Price last confirmed 43 days ago
B+
Retailer 17
-
$2,450 AUD
SGD 2,326 SGD
View
B
Retailer 18
-
$2,481 AUD
$1,743 USD
View
B+
Retailer 19
-
$2,528 AUD
$1,776 USD
View
B+
Retailer 20
-
$2,576 AUD
$1,810 USD
View
B+
Retailer 21
-
$2,700 AUD
$1,897 USD
View
B+
Retailer 22
-
$2,776 AUD
$1,950 USD
View
B+
Retailer 23
-
$2,849 AUD
£1,576 GBP
View
B+
Retailer 24
-
$2,888 AUD
$2,029 USD
View
B
Retailer 25
-
$4,626 AUD
$3,250 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
19883543A · Oct 29
$4,626 AUD
$3,250 USD
View
25 more retailers have this diamond
Prices start from $622 AUDSave up to $4,004 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 Round
$622 AUD