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Marquise|Lab Grown|IGI

1.30ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611713

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611713

Diamond specifications and retailer prices

From $599 AUD
As of November 4, 2026
Save $2,901 AUD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,500 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.3ct lab-grown marquise diamond

This 1.3ct 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 LG790611713 or 790611713. Listed at 22 retailers as of November 4, 2026, with prices from $599 to $3,500, a $2,901 spread on the same certified stone. Brilliant Earth lists it at $3,500. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611713
Dimensions11.37 × 5.73 × 3.59 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
11.37 mm5.73 mm1.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611713
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.7%

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: $3,500 AUD|Low: $599 AUD|High: $5,557 AUD|Avg: $2,036 AUD|-37.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 22
November 5, 2026
Retailer 17$599 AUD
Retailer 9$669 AUD
Retailer 19$670 AUD
Retailer 4$741 AUD
Retailer 14$783 AUD
Retailer 8$823 AUD
Retailer 22$950 AUD
Retailer 3$1,073 AUD
Retailer 20$1,170 AUD
Retailer 2$1,210 AUD
Retailer 12$1,241 AUD
Retailer 18$1,279 AUD
Retailer 6$1,330 AUD
Retailer 16$2,080 AUD
Retailer 11$2,154 AUD
Retailer 10$2,358 AUD
Retailer 5$2,383 AUD
Retailer 7$2,431 AUD
Retailer 21$2,701 AUD
Retailer 13$2,716 AUD
Retailer 15$3,193 AUD
Brilliant Earth$3,500 AUD

34 data points across 22 retailers

22 retailers$599 AUD to $3,500 AUD

A
Cheapest Retailer
-
$599 AUD
A
Retailer 2
-
$669 AUD
View
Final sale: no returns
A
Retailer 3
-
$670 AUD
View
A
Retailer 4
-
$741 AUD
View
Retailer 5
-
$783 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$823 AUD
View
A
Retailer 7
-
$950 AUD
View
A
Retailer 8
-
$1,073 AUD
View
A
Retailer 9
-
$1,170 AUD
View
A
Retailer 10
-
$1,210 AUD
View
Retailer 11
-
$1,241 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$1,279 AUD
View
A
Retailer 13
-
$1,330 AUD
View
B+
Retailer 14
-
$2,080 AUD
View
B+
Retailer 15
-
$2,154 AUD
View
B+
Retailer 16
-
$2,358 AUD
View
B+
Retailer 17
-
$2,383 AUD
View
B+
Retailer 18
-
$2,431 AUD
View
B+
Retailer 19
-
$2,701 AUD
View
B
Retailer 20
-
$2,716 AUD
View
Retailer 21
-
$3,193 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
19074344A · Nov 4
$3,500 AUD
$2,450 USD
View
21 more retailers have this diamond
Prices start from $599 AUDSave up to $2,901 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
1.30ct Marquise
$599 AUD