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Marquise|Lab Grown|IGI

1.34ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611745

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611745

Diamond specifications and retailer prices

From $617 AUD
As of November 4, 2026
Save $2,997 AUD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,614 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 LG790611745 or 790611745. Listed at 22 retailers as of November 4, 2026, with prices from $617 to $3,614, a $2,997 spread on the same certified stone. Brilliant Earth lists it at $3,614. 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°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611745
Dimensions11.12 × 5.84 × 3.62 mm
L/W Ratio1.90
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
11.12 mm5.84 mm1.34 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611745
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.0%

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: $3,614 AUD|Low: $617 AUD|High: $5,214 AUD|Avg: $1,945 AUD|-30.7%
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 17$617 AUD
Retailer 9$690 AUD
Retailer 19$691 AUD
Retailer 4$766 AUD
Retailer 14$786 AUD
Retailer 8$840 AUD
Retailer 22$971 AUD
Retailer 3$1,099 AUD
Retailer 20$1,206 AUD
Retailer 12$1,246 AUD
Retailer 2$1,251 AUD
Retailer 18$1,320 AUD
Retailer 6$1,404 AUD
Retailer 16$2,148 AUD
Retailer 11$2,241 AUD
Retailer 10$2,433 AUD
Retailer 5$2,463 AUD
Retailer 7$2,507 AUD
Retailer 21$2,764 AUD
Retailer 13$2,806 AUD
Retailer 15$3,293 AUD
Brilliant Earth$3,614 AUD

33 data points across 22 retailers

22 retailers$617 AUD to $3,614 AUD

A
Cheapest Retailer
-
$617 AUD
A
Retailer 2
-
$690 AUD
View
Final sale: no returns
A
Retailer 3
-
$691 AUD
View
A
Retailer 4
-
$766 AUD
View
Retailer 5
-
$786 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$840 AUD
View
A
Retailer 7
-
$971 AUD
View
A
Retailer 8
-
$1,099 AUD
View
A
Retailer 9
-
$1,206 AUD
View
Retailer 10
-
$1,246 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$1,251 AUD
View
A
Retailer 12
-
$1,320 AUD
View
A
Retailer 13
-
$1,404 AUD
View
B+
Retailer 14
-
$2,148 AUD
View
B+
Retailer 15
-
$2,241 AUD
View
B+
Retailer 16
-
$2,433 AUD
View
B
Retailer 17
-
$2,463 AUD
View
B+
Retailer 18
-
$2,507 AUD
View
B
Retailer 19
-
$2,764 AUD
View
B
Retailer 20
-
$2,806 AUD
View
Retailer 21
-
$3,293 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
19074176A · Nov 4
$3,614 AUD
$2,530 USD
View
21 more retailers have this diamond
Prices start from $617 AUDSave up to $2,997 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
$617 AUD