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Marquise|Lab Grown|IGI

1.54ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG783642022

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG783642022

Diamond specifications and retailer prices

From $1,634 AUD
As of November 4, 2026
Save $5,437 AUD (77%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,071 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 LG783642022 or 783642022. Listed at 25 retailers as of November 3, 2026, with prices from $1,634 to $7,071, a $5,437 spread on the same certified stone. Brilliant Earth lists it at $7,071. 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 angle35.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783642022
Dimensions11.58 × 6.02 × 3.83 mm
L/W Ratio1.92
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
11.58 mm6.02 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783642022
Side View
Table 57.0%Crown 35.7°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 63.6%

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 4
Current: $7,071 AUD|Low: $1,400 AUD|High: $7,071 AUD|Avg: $3,552 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
November 5, 2026
Retailer 14$1,458 AUD
Retailer 4$1,693 AUD
Retailer 5$1,693 AUD
Retailer 9$1,943 AUD
Retailer 7$1,983 AUD
Retailer 8$2,416 AUD
Retailer 15$2,421 AUD
Retailer 10$3,113 AUD
Retailer 11$3,264 AUD
Retailer 12$4,585 AUD
Retailer 3$4,995 AUD
Retailer 13$5,221 AUD
Retailer 6$5,674 AUD
Retailer 2$5,723 AUD
Brilliant Earth$7,071 AUD

43 data points across 15 retailers

25 retailers$1,634 AUD to $7,071 AUD

Retailer 1
-
$1,458 AUD
Price last confirmed 28 days ago
Retailer 2
-
$1,587 AUD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$1,634 AUD
View
Final sale: no returns
Retailer 4
-
$1,693 AUD
View
Price last confirmed 24 days ago
Retailer 5
-
$1,693 AUD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$1,844 AUD
View
A
Retailer 7
-
$1,943 AUD
View
A
Retailer 8
-
$1,983 AUD
View
A
Retailer 9
-
$2,416 AUD
View
B+
Retailer 10
-
$2,421 AUD
View
B+
Retailer 11
-
$3,113 AUD
View
Retailer 12
-
$3,173 AUD
View
Price last confirmed 36 days ago
B+
Retailer 13
-
$3,264 AUD
View
B+
Retailer 14
-
$3,537 AUD
View
Retailer 15
-
$4,585 AUD
View
Price last confirmed 7 days ago
B
Retailer 16
-
$4,680 AUD
View
B
Retailer 17
-
$4,995 AUD
View
B
Retailer 18
-
$5,221 AUD
View
B
Retailer 19
-
$5,248 AUD
View
B
Retailer 20
-
$5,448 AUD
View
B
Retailer 21
-
$5,674 AUD
View
B
Retailer 22
-
$5,723 AUD
View
B
Retailer 23
-
$5,903 AUD
View
Retailer 24
-
$7,071 AUD
View
Most Expensive
B
Brilliant Earth
19001322A · Nov 3
$7,071 AUD
$4,950 USD
View
24 more retailers have this diamond
Prices start from $1,634 AUDSave up to $5,437 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
$1,634 AUD