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Marquise|Lab Grown|IGI

1.54ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG741594940

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG741594940

Diamond specifications and retailer prices

From $613 USD
As of November 4, 2026
Save $4,837 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,450 USD at Do Amore Diamonds · As of November 4, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG741594940 or 741594940. Listed at 18 retailers as of November 4, 2026, with prices from $613 to $5,450, a $4,837 spread on the same certified stone. Do Amore Diamonds lists it at $5,450. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741594940
Dimensions11.94 × 6.13 × 3.59 mm
L/W Ratio1.95
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
11.94 mm6.13 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741594940
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
A+
Exceptional
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: $5,450 USD|Low: $601 USD|High: $5,740 USD|Avg: $1,982 USD|-5.1%
Do Amore Diamonds
Retailer 2
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Retailer 18
November 3, 2026
Retailer 14$613 USD
Retailer 4$687 USD
Retailer 10$734 USD
Retailer 16$880 USD
Retailer 6$885 USD
Retailer 9$910 USD
Retailer 15$1,166 USD
Retailer 13$1,279 USD
Retailer 8$1,337 USD
Retailer 17$1,887 USD
Retailer 11$1,955 USD
Retailer 3$2,119 USD
Retailer 18$2,208 USD
Retailer 5$2,655 USD
Retailer 12$2,750 USD
Retailer 2$3,308 USD
Retailer 7$3,553 USD
Do Amore Diamonds$5,450 USD

30 data points across 18 retailers

18 retailers$613 USD to $5,450 USD

A+
Cheapest Retailer
-
$613 USD
A
Retailer 2
-
$687 USD
View
A
Retailer 3
-
$734 USD
View
Final sale: no returns
A
Retailer 4
-
$880 USD
View
A
Retailer 5
-
$885 USD
View
A
Retailer 6
-
$910 USD
View
A
Retailer 7
-
$1,166 USD
View
A
Retailer 8
-
$1,279 USD
View
A
Retailer 9
-
$1,337 USD
View
B+
Retailer 10
-
$1,887 USD
View
B+
Retailer 11
-
$1,955 USD
View
B+
Retailer 12
-
$2,119 USD
View
B+
Retailer 13
-
$2,208 USD
View
Retailer 14
-
$2,655 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$2,750 USD
View
B
Retailer 16
-
$3,308 USD
View
Retailer 17
-
$3,553 USD
View
Price last confirmed 27 days ago
Most Expensive
B
Do Amore Diamonds
27-4DE50AFBE · Nov 4
$5,450 USD
View
17 more retailers have this diamond
Prices start from $613 USDSave up to $4,837 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
$613 USD