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Marquise|Lab Grown|IGI

1.24ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508730

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508730

Diamond specifications and retailer prices

From $662 USD
As of November 2, 2026
Save $1,548 USD (70%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,210 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 LG754508730 or 754508730. Listed at 15 retailers as of October 31, 2026, with prices from $662 to $2,210, a $1,548 spread on the same certified stone. Brilliant Earth lists it at $2,210. 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°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508730
Dimensions11.19 × 5.67 × 3.45 mm
L/W Ratio1.97
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
11.19 mm5.67 mm1.24 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508730
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40°Culet: NoneDepth 60.8%

Caratlytics Score

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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: $2,210 USD|Low: $662 USD|High: $2,520 USD|Avg: $1,366 USD|-12.3%
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
Retailer 15
November 2, 2026
Retailer 3$662 USD
Retailer 12$717 USD
Retailer 13$740 USD
Retailer 4$795 USD
Retailer 9$866 USD
Retailer 2$922 USD
Retailer 10$1,065 USD
Retailer 15$1,309 USD
Retailer 11$1,510 USD
Retailer 7$1,851 USD
Retailer 6$1,880 USD
Retailer 14$1,954 USD
Retailer 8$2,064 USD
Retailer 5$2,082 USD
Brilliant Earth$2,210 USD

43 data points across 15 retailers

15 retailers$662 USD to $2,210 USD

A
Cheapest Retailer
-
$662 USD
A
Retailer 2
-
$717 USD
HK$5,600 HKD
View
A
Retailer 3
-
$740 USD
View
B+
Retailer 4
-
$795 USD
View
B+
Retailer 5
-
$866 USD
€825 EUR
View
B+
Retailer 6
-
$922 USD
£726 GBP
View
B+
Retailer 7
-
$1,065 USD
A$1,638 AUD
View
Retailer 8
-
$1,309 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$1,510 USD
View
B
Retailer 10
-
$1,851 USD
View
Retailer 11
-
$1,880 USD
A$2,893 AUD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$1,954 USD
View
B
Retailer 13
-
$2,064 USD
£1,625 GBP
View
B
Retailer 14
-
$2,082 USD
SGD 2,813 SGD
View
Most Expensive
B
Brilliant Earth
18668812Y · Oct 31
$2,210 USD
View
14 more retailers have this diamond
Prices start from $662 USDSave up to $1,548 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
$662 USD