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Marquise|Lab Grown|IGI

1.24ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG762546139

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762546139

Diamond specifications and retailer prices

From $563 USD
As of November 4, 2026
Save $1,307 USD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,870 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.24ct lab-grown marquise diamond

This 1.24ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762546139 or 762546139. Listed at 14 retailers as of November 4, 2026, with prices from $563 to $1,870, a $1,307 spread on the same certified stone. Brilliant Earth lists it at $1,870. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762546139
Dimensions11.89 × 5.53 × 3.36 mm
L/W Ratio2.15
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
11.89 mm5.53 mm1.24 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762546139
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 60.8%

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: $1,870 USD|Low: $563 USD|High: $2,520 USD|Avg: $1,300 USD|-25.8%
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
November 5, 2026
Retailer 8$563 USD
Retailer 9$608 USD
Retailer 4$662 USD
Retailer 3$740 USD
Retailer 2$765 USD
Retailer 13$866 USD
Retailer 10$982 USD
Retailer 5$1,064 USD
Retailer 14$1,510 USD
Retailer 11$1,541 USD
Retailer 7$1,675 USD
Retailer 6$1,851 USD
Retailer 12$1,851 USD
Brilliant Earth$1,870 USD

43 data points across 14 retailers

14 retailers$563 USD to $1,870 USD

A
Cheapest Retailer
-
$563 USD
A
Retailer 2
-
$608 USD
View
A
Retailer 3
-
$662 USD
View
A
Retailer 4
-
$740 USD
View
A
Retailer 5
-
$765 USD
View
B+
Retailer 6
-
$866 USD
View
B+
Retailer 7
-
$982 USD
View
B+
Retailer 8
-
$1,064 USD
View
Retailer 9
-
$1,510 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$1,541 USD
View
B
Retailer 11
-
$1,675 USD
View
B
Retailer 12
-
$1,851 USD
View
B
Retailer 13
-
$1,851 USD
View
Most Expensive
B
Brilliant Earth
20870056Y · Nov 4
$1,870 USD
View
13 more retailers have this diamond
Prices start from $563 USDSave up to $1,307 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
1.24ct Marquise
$563 USD