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Marquise|Lab Grown|IGI

1.54ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG780665649

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780665649

Diamond specifications and retailer prices

From $1,021 AUD
$717 USD
As of November 2, 2026
Save $8,048 AUD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,068 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise 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 LG780665649 or 780665649. Listed at 16 retailers as of November 1, 2026, with prices from $1,021 to $9,068, a $8,048 spread on the same certified stone. Do Amore Diamonds lists it at $9,068. 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 angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665649
Dimensions12.07 × 5.95 × 3.74 mm
L/W Ratio2.03
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
12.07 mm5.95 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665649
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: $9,068 AUD|Low: $1,021 AUD|High: $11,446 AUD|Avg: $3,346 AUD|-20.8%
Do Amore Diamonds
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
November 1, 2026
Retailer 12$1,021 AUD
Retailer 4$1,110 AUD
Retailer 7$1,338 AUD
Retailer 14$1,399 AUD
Retailer 9$1,438 AUD
Retailer 8$1,444 AUD
Retailer 13$1,923 AUD
Retailer 11$2,203 AUD
Retailer 16$2,460 AUD
Retailer 15$2,917 AUD
Retailer 5$3,473 AUD
Retailer 3$3,676 AUD
Retailer 10$4,456 AUD
Retailer 2$4,900 AUD
Retailer 6$5,203 AUD
Do Amore Diamonds$9,068 AUD

32 data points across 16 retailers

16 retailers$1,021 AUD to $9,068 AUD

A+
Cheapest Retailer
-
$1,021 AUD
$717 USD
A
Retailer 2
-
$1,110 AUD
$780 USD
View
A
Retailer 3
-
$1,338 AUD
$940 USD
View
A
Retailer 4
-
$1,399 AUD
$983 USD
View
A
Retailer 5
-
$1,438 AUD
$1,010 USD
View
A
Retailer 6
-
$1,444 AUD
$1,014 USD
View
Final sale: no returns
A
Retailer 7
-
$1,923 AUD
$1,351 USD
View
A
Retailer 8
-
$2,203 AUD
€1,474 EUR
View
B+
Retailer 9
-
$2,460 AUD
View
B+
Retailer 10
-
$2,917 AUD
$2,049 USD
View
B+
Retailer 11
-
$3,473 AUD
$2,440 USD
View
B
Retailer 12
-
$3,676 AUD
$2,582 USD
View
B+
Retailer 13
-
$4,456 AUD
$3,130 USD
View
B+
Retailer 14
-
$4,900 AUD
£2,710 GBP
View
B
Retailer 15
-
$5,203 AUD
$3,655 USD
View
Most Expensive
B
Do Amore Diamonds
27-DE73248E8 · Nov 1
$9,068 AUD
$6,370 USD
View
15 more retailers have this diamond
Prices start from $1,021 AUDSave up to $8,048 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 Marquise
$1,021 AUD