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Marquise|Lab Grown|IGI

1.34ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG787620980

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787620980

Diamond specifications and retailer prices

From $767 AUD
As of November 4, 2026
Save $2,761 AUD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,528 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.34ct lab-grown marquise diamond

This 1.34ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787620980 or 787620980. Listed at 14 retailers as of November 4, 2026, with prices from $767 to $3,528, a $2,761 spread on the same certified stone. Brilliant Earth lists it at $3,528. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.34
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620980
Dimensions11.49 × 5.68 × 3.58 mm
L/W Ratio2.02
Girdle conditionFaceted
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
11.49 mm5.68 mm1.34 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620980
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.0%

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: $3,528 AUD|Low: $767 AUD|High: $5,714 AUD|Avg: $2,417 AUD|-38.3%
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
November 5, 2026
Retailer 8$767 AUD
Retailer 9$931 AUD
Retailer 2$1,180 AUD
Retailer 4$1,296 AUD
Retailer 5$1,468 AUD
Retailer 11$1,516 AUD
Retailer 14$1,533 AUD
Retailer 13$1,723 AUD
Retailer 6$1,753 AUD
Retailer 12$2,176 AUD
Retailer 10$2,543 AUD
Retailer 7$2,570 AUD
Retailer 3$3,293 AUD
Brilliant Earth$3,528 AUD

44 data points across 14 retailers

14 retailers$767 AUD to $3,528 AUD

A
Cheapest Retailer
-
$767 AUD
A
Retailer 2
-
$931 AUD
View
A
Retailer 3
-
$1,180 AUD
View
A
Retailer 4
-
$1,296 AUD
View
B+
Retailer 5
-
$1,468 AUD
View
B+
Retailer 6
-
$1,516 AUD
View
A
Retailer 7
-
$1,533 AUD
View
B+
Retailer 8
-
$1,723 AUD
View
B+
Retailer 9
-
$1,753 AUD
View
B+
Retailer 10
-
$2,176 AUD
View
B+
Retailer 11
-
$2,543 AUD
View
B+
Retailer 12
-
$2,570 AUD
View
Retailer 13
-
$3,293 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
19712375A · Nov 4
$3,528 AUD
$2,470 USD
View
13 more retailers have this diamond
Prices start from $767 AUDSave up to $2,761 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
1.34ct Marquise
$767 AUD