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Marquise|Lab Grown|IGI

1.54ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG787656875

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787656875

Diamond specifications and retailer prices

From $1,632 AUD
$1,144 USD
As of November 1, 2026
Save $5,431 AUD (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,063 AUD at Brilliant Earth · As of October 31, 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 LG787656875 or 787656875. Listed at 23 retailers as of October 31, 2026, with prices from $1,632 to $7,063, a $5,431 spread on the same certified stone. Brilliant Earth lists it at $7,063. 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 angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787656875
Dimensions11.56 × 6.09 × 3.83 mm
L/W Ratio1.90
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
11.56 mm6.09 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787656875
Side View
Table 59.0%Crown 34.3°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 62.9%

Caratlytics Score

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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: $7,063 AUD|Low: $1,398 AUD|High: $7,063 AUD|Avg: $3,251 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
November 2, 2026
Retailer 15$1,457 AUD
Retailer 8$1,632 AUD
Retailer 4$1,691 AUD
Retailer 5$1,691 AUD
Retailer 13$1,848 AUD
Retailer 7$1,981 AUD
Retailer 12$2,391 AUD
Retailer 16$2,419 AUD
Retailer 2$2,437 AUD
Retailer 11$3,107 AUD
Retailer 14$3,225 AUD
Retailer 9$4,582 AUD
Retailer 3$4,990 AUD
Retailer 6$5,668 AUD
Retailer 10$5,764 AUD
Brilliant Earth$7,063 AUD

43 data points across 16 retailers

23 retailers$1,632 AUD to $7,063 AUD

Retailer 1
-
$1,457 AUD
$1,021 USD
Price last confirmed 25 days ago
Retailer 2
-
$1,585 AUD
$1,111 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$1,632 AUD
$1,144 USD
View
Final sale: no returns
Retailer 4
-
$1,691 AUD
$1,185 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$1,691 AUD
$1,185 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,842 AUD
$1,291 USD
View
A
Retailer 7
-
$1,848 AUD
$1,295 USD
View
A
Retailer 8
-
$1,981 AUD
$1,388 USD
View
A
Retailer 9
-
$2,391 AUD
View
A
Retailer 10
-
$2,419 AUD
$1,695 USD
View
A
Retailer 11
-
$2,437 AUD
£1,345 GBP
View
B+
Retailer 12
-
$3,107 AUD
ZAR 35,182 ZAR
View
Retailer 13
-
$3,169 AUD
$2,221 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
$3,225 AUD
$2,260 USD
View
B+
Retailer 15
-
$4,582 AUD
€3,058 EUR
View
B
Retailer 16
-
$4,675 AUD
£2,580 GBP
View
B+
Retailer 17
-
$4,990 AUD
$3,497 USD
View
B
Retailer 18
-
$5,242 AUD
$3,674 USD
View
B
Retailer 19
-
$5,443 AUD
$3,815 USD
View
B
Retailer 20
-
$5,668 AUD
SGD 5,368 SGD
View
B
Retailer 21
-
$5,764 AUD
£3,181 GBP
View
B
Retailer 22
-
$5,897 AUD
$4,133 USD
View
Most Expensive
B
Brilliant Earth
19704990A · Oct 31
$7,063 AUD
$4,950 USD
View
22 more retailers have this diamond
Prices start from $1,632 AUDSave up to $5,431 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
$1,632 AUD