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Marquise|Lab Grown|IGI

1.54ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG619431279

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG619431279

Diamond specifications and retailer prices

From $634 USD
As of November 4, 2026
Save $2,301 USD (78%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $2,935 USD at With Clarity · As of November 5, 2026
View at With Clarity

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG619431279 or 619431279. Listed at 29 retailers as of November 4, 2026, with prices from $634 to $2,935, a $2,301 spread on the same certified stone. With Clarity lists it at $2,935. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619431279
Dimensions12.32 × 5.87 × 3.70 mm
L/W Ratio2.10
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
12.32 mm5.87 mm1.54 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619431279
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.0%

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: $1,481 USD|Low: $512 USD|High: $3,034 USD|Avg: $1,480 USD|-8.2%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
With Clarity
November 5, 2026
Retailer 9$512 USD
Retailer 2$634 USD
Retailer 8$635 USD
Retailer 21$729 USD
Retailer 17$770 USD
Retailer 3$857 USD
Retailer 14$898 USD
Retailer 15$973 USD
Retailer 19$975 USD
Retailer 18$1,094 USD
Retailer 7$1,113 USD
Retailer 1$1,481 USD
Retailer 10$1,490 USD
Retailer 20$1,638 USD
Retailer 16$1,740 USD
Retailer 5$2,064 USD
Retailer 13$2,117 USD
Retailer 6$2,200 USD
Retailer 11$2,266 USD
Retailer 4$2,354 USD
Retailer 12$2,641 USD
With Clarity$2,935 USD

40 data points across 22 retailers

29 retailers$634 USD to $2,935 USD

Retailer 1
-
$557 USD
Price last confirmed 37 days ago
Retailer 2
-
$624 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$634 USD
View
Final sale: no returns
Retailer 4
-
$635 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$635 USD
View
Price last confirmed 27 days ago
Retailer 6
-
$682 USD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$729 USD
View
A
Retailer 8
-
$770 USD
View
A
Retailer 9
-
$857 USD
View
A
Retailer 10
-
$898 USD
View
A
Retailer 11
-
$973 USD
View
Retailer 12
-
$975 USD
View
Price last confirmed 8 days ago
A
Retailer 13
-
$1,094 USD
View
A
Retailer 14
-
$1,113 USD
View
A
Retailer 15
-
$1,481 USD
View
B+
Retailer 16
-
$1,490 USD
View
B+
Retailer 17
-
$1,638 USD
View
Retailer 18
-
$1,669 USD
View
Price last confirmed 27 days ago
B+
Retailer 19
-
$1,669 USD
View
B+
Retailer 20
-
$1,740 USD
View
Retailer 21
-
$1,816 USD
View
Price last confirmed 37 days ago
Retailer 22
-
$1,911 USD
View
Price last confirmed 81 days ago
B+
Retailer 23
-
$2,064 USD
View
B+
Retailer 24
-
$2,117 USD
View
B+
Retailer 25
-
$2,200 USD
View
Retailer 26
-
$2,266 USD
View
Price last confirmed 29 days ago
B
Retailer 27
-
$2,354 USD
View
B
Retailer 28
-
$2,641 USD
View
Most Expensive
B
With Clarity
619431279 · Nov 5
$2,935 USD
View
28 more retailers have this diamond
Prices start from $634 USDSave up to $2,301 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
$634 USD