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Marquise|Lab Grown|IGI

1.24ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG784669513

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784669513

Diamond specifications and retailer prices

From $519 USD
As of November 2, 2026
Save $2,511 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,030 USD at Brilliant Earth · As of October 31, 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 LG784669513 or 784669513. Listed at 23 retailers as of October 31, 2026, with prices from $519 to $3,030, a $2,511 spread on the same certified stone. Brilliant Earth lists it at $3,030. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784669513
Dimensions11.10 × 5.60 × 3.49 mm
L/W Ratio1.98
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
11.10 mm5.60 mm1.24 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784669513
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.3%

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 2
Current: $3,030 USD|Low: $519 USD|High: $3,235 USD|Avg: $1,447 USD
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 15$519 USD
Retailer 6$581 USD
Retailer 10$581 USD
Retailer 5$643 USD
Retailer 21$704 USD
Retailer 18$780 USD
Retailer 9$853 USD
Retailer 4$895 USD
Retailer 19$980 USD
Retailer 11$997 USD
Retailer 13$997 USD
Retailer 2$1,110 USD
Retailer 17$1,568 USD
Retailer 20$1,575 USD
Retailer 3$1,660 USD
Retailer 22$1,692 USD
Retailer 8$1,875 USD
Retailer 14$2,036 USD
Retailer 7$2,092 USD
Retailer 12$2,211 USD
Retailer 16$2,686 USD
Brilliant Earth$3,030 USD

40 data points across 22 retailers

23 retailers$519 USD to $3,030 USD

A
Cheapest Retailer
-
$519 USD
A
Retailer 2
-
$581 USD
View
Final sale: no returns
A
Retailer 3
-
$581 USD
View
Retailer 4
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$643 USD
View
Price last confirmed 17 days ago
A
Retailer 5
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$643 USD
View
A
Retailer 6
-
$704 USD
HK$5,500 HKD
View
B+
Retailer 7
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$780 USD
View
B+
Retailer 8
-
$853 USD
View
B+
Retailer 9
-
$895 USD
View
B+
Retailer 10
-
$980 USD
€933 EUR
View
B+
Retailer 11
-
$997 USD
View
B+
Retailer 12
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$997 USD
£785 GBP
View
B+
Retailer 13
-
$1,110 USD
ZAR 17,927 ZAR
View
B
Retailer 14
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$1,568 USD
A$2,413 AUD
View
B+
Retailer 15
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$1,575 USD
View
B+
Retailer 16
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$1,660 USD
View
B+
Retailer 17
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$1,692 USD
View
B
Retailer 18
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$1,875 USD
£1,476 GBP
View
B
Retailer 19
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$2,036 USD
SGD 2,751 SGD
View
B
Retailer 20
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$2,092 USD
View
B
Retailer 21
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$2,211 USD
View
B
Retailer 22
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$2,686 USD
£2,115 GBP
View
Most Expensive
B
Brilliant Earth
19066894A · Oct 31
$3,030 USD
View
22 more retailers have this diamond
Prices start from $519 USDSave up to $2,511 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
$519 USD