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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 $958 USD
As of October 30, 2026
Save $2,982 USD (76%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,940 USD 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 $958 to $3,940, a $2,982 spread on the same certified stone. Brilliant Earth lists it at $3,940. 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
Color
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: $3,940 USD|Low: $958 USD|High: $4,324 USD|Avg: $2,193 USD|-0.3%
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 7$958 USD
Retailer 21$1,042 USD
Retailer 13$1,072 USD
Retailer 4$1,111 USD
Retailer 6$1,111 USD
Retailer 5$1,276 USD
Retailer 18$1,285 USD
Retailer 3$1,293 USD
Retailer 8$1,394 USD
Retailer 9$1,590 USD
Retailer 16$1,713 USD
Retailer 19$1,850 USD
Retailer 15$1,864 USD
Retailer 17$2,042 USD
Retailer 2$2,124 USD
Retailer 14$3,063 USD
Retailer 22$3,317 USD
Retailer 10$3,611 USD
Retailer 11$3,728 USD
Retailer 20$3,773 USD
Retailer 12$3,867 USD
Brilliant Earth$3,940 USD

33 data points across 22 retailers

26 retailers$958 USD to $3,940 USD

A
Cheapest Retailer
-
$958 USD
A
Retailer 2
-
$1,042 USD
View
A
Retailer 3
-
$1,072 USD
View
Final sale: no returns
A
Retailer 4
-
$1,111 USD
View
Retailer 5
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$1,111 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,276 USD
View
A
Retailer 7
-
$1,285 USD
View
A
Retailer 8
-
$1,293 USD
HK$10,100 HKD
View
A
Retailer 9
-
$1,394 USD
View
A
Retailer 10
-
$1,590 USD
View
A
Retailer 11
-
$1,713 USD
£1,349 GBP
View
B+
Retailer 12
-
$1,850 USD
€1,762 EUR
View
B+
Retailer 13
-
$1,864 USD
A$2,868 AUD
View
B+
Retailer 14
-
$2,042 USD
ZAR 32,990 ZAR
View
B+
Retailer 15
-
$2,124 USD
View
B+
Retailer 16
-
$2,182 USD
View
B+
Retailer 17
-
$3,063 USD
£2,412 GBP
View
B
Retailer 18
-
$3,123 USD
View
B+
Retailer 19
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$3,303 USD
View
B+
Retailer 20
-
$3,317 USD
View
B
Retailer 21
-
$3,611 USD
View
B
Retailer 22
-
$3,728 USD
SGD 5,038 SGD
View
B
Retailer 23
-
$3,773 USD
£2,971 GBP
View
B
Retailer 24
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$3,867 USD
View
Retailer 25
-
$3,940 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
20474207A · Oct 30
$3,940 USD
View
25 more retailers have this diamond
Prices start from $958 USDSave up to $2,982 USD

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
$958 USD