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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 $741 AUD
As of November 4, 2026
Save $3,587 AUD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,328 AUD at Brilliant Earth · As of November 6, 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 November 4, 2026, with prices from $741 to $4,328, a $3,587 spread on the same certified stone. Brilliant Earth lists it at $4,328. 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
Colour
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

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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 4
Current: $4,328 AUD|Low: $741 AUD|High: $4,620 AUD|Avg: $1,976 AUD
Brilliant Earth
Retailer 2
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Retailer 22
November 6, 2026
Retailer 15$741 AUD
Retailer 6$830 AUD
Retailer 10$830 AUD
Retailer 5$919 AUD
Retailer 21$1,006 AUD
Retailer 19$1,114 AUD
Retailer 9$1,219 AUD
Retailer 4$1,279 AUD
Retailer 2$1,393 AUD
Retailer 13$1,406 AUD
Retailer 11$1,424 AUD
Retailer 18$1,584 AUD
Retailer 16$2,244 AUD
Retailer 20$2,250 AUD
Retailer 3$2,371 AUD
Retailer 22$2,417 AUD
Retailer 8$2,677 AUD
Retailer 14$2,907 AUD
Retailer 7$2,988 AUD
Retailer 12$3,158 AUD
Retailer 17$3,826 AUD
Brilliant Earth$4,328 AUD

43 data points across 22 retailers

23 retailers$741 AUD to $4,328 AUD

A
Cheapest Retailer
-
$741 AUD
A
Retailer 2
-
$830 AUD
View
Final sale: no returns
A
Retailer 3
-
$830 AUD
View
Retailer 4
-
$919 AUD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$919 AUD
View
A
Retailer 6
-
$1,006 AUD
View
B+
Retailer 7
-
$1,114 AUD
View
B+
Retailer 8
-
$1,219 AUD
View
B+
Retailer 9
-
$1,279 AUD
View
B+
Retailer 10
-
$1,393 AUD
View
B+
Retailer 11
-
$1,406 AUD
View
B+
Retailer 12
-
$1,424 AUD
View
B+
Retailer 13
-
$1,584 AUD
View
B+
Retailer 14
-
$2,244 AUD
View
Retailer 15
-
$2,250 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$2,371 AUD
View
B+
Retailer 17
-
$2,417 AUD
View
B
Retailer 18
-
$2,677 AUD
View
B
Retailer 19
-
$2,907 AUD
View
B
Retailer 20
-
$2,988 AUD
View
B
Retailer 21
-
$3,158 AUD
View
B
Retailer 22
-
$3,826 AUD
View
Most Expensive
B
Brilliant Earth
19066894A · Nov 6
$4,328 AUD
$3,030 USD
View
22 more retailers have this diamond
Prices start from $741 AUDSave up to $3,587 AUD

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
$741 AUD