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Marquise|Lab Grown|IGI

1.54ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG790654415

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790654415

Diamond specifications and retailer prices

From $1,364 AUD
$958 USD
As of October 30, 2026
Save $4,245 AUD (76%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,609 AUD at Brilliant Earth · As of October 30, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790654415 or 790654415. Listed at 26 retailers as of October 30, 2026, with prices from $1,364 to $5,609, a $4,245 spread on the same certified stone. Brilliant Earth lists it at $5,609. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790654415
Dimensions12.14 × 6.12 × 3.66 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.14 mm6.12 mm1.54 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790654415
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
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: Oct 30
Current: $5,609 AUD|Low: $1,364 AUD|High: $6,156 AUD|Avg: $3,188 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 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
Retailer 23
October 31, 2026
Retailer 7$1,364 AUD
Retailer 22$1,483 AUD
Retailer 17$1,526 AUD
Retailer 4$1,582 AUD
Retailer 6$1,582 AUD
Retailer 5$1,817 AUD
Retailer 19$1,829 AUD
Retailer 3$1,840 AUD
Retailer 9$1,984 AUD
Retailer 10$2,264 AUD
Retailer 2$2,438 AUD
Retailer 20$2,634 AUD
Retailer 16$2,654 AUD
Retailer 18$2,907 AUD
Retailer 13$3,024 AUD
Retailer 15$4,361 AUD
Retailer 8$4,446 AUD
Retailer 23$4,722 AUD
Retailer 11$5,141 AUD
Retailer 12$5,307 AUD
Retailer 21$5,371 AUD
Retailer 14$5,505 AUD
Brilliant Earth$5,609 AUD

31 data points across 23 retailers

26 retailers$1,364 AUD to $5,609 AUD

A
Cheapest Retailer
-
$1,364 AUD
$958 USD
A
Retailer 2
-
$1,483 AUD
$1,042 USD
View
A
Retailer 3
-
$1,526 AUD
$1,072 USD
View
Final sale: no returns
A
Retailer 4
-
$1,582 AUD
$1,111 USD
View
Retailer 5
-
$1,582 AUD
$1,111 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,817 AUD
$1,276 USD
View
A
Retailer 7
-
$1,829 AUD
$1,285 USD
View
A
Retailer 8
-
$1,840 AUD
HK$10,100 HKD
View
A
Retailer 9
-
$1,984 AUD
$1,394 USD
View
A
Retailer 10
-
$2,264 AUD
$1,590 USD
View
A
Retailer 11
-
$2,438 AUD
£1,349 GBP
View
B+
Retailer 12
-
$2,634 AUD
€1,762 EUR
View
B+
Retailer 13
-
$2,654 AUD
View
B+
Retailer 14
-
$2,907 AUD
ZAR 32,990 ZAR
View
B+
Retailer 15
-
$3,024 AUD
$2,124 USD
View
B+
Retailer 16
-
$3,106 AUD
$2,182 USD
View
B+
Retailer 17
-
$4,361 AUD
£2,412 GBP
View
B
Retailer 18
-
$4,446 AUD
$3,123 USD
View
B+
Retailer 19
-
$4,702 AUD
$3,303 USD
View
B+
Retailer 20
-
$4,722 AUD
$3,317 USD
View
B
Retailer 21
-
$5,141 AUD
$3,611 USD
View
B
Retailer 22
-
$5,307 AUD
SGD 5,038 SGD
View
B
Retailer 23
-
$5,371 AUD
£2,971 GBP
View
B
Retailer 24
-
$5,505 AUD
$3,867 USD
View
Retailer 25
-
$5,609 AUD
$3,940 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
20474207A · Oct 30
$5,609 AUD
$3,940 USD
View
25 more retailers have this diamond
Prices start from $1,364 AUDSave up to $4,245 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
$1,364 AUD