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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 $419 USD
As of November 2, 2026
Save $2,031 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,450 USD at Brilliant Earth · As of October 31, 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 21 retailers as of October 31, 2026, with prices from $419 to $2,450, a $2,031 spread on the same certified stone. Brilliant Earth lists it at $2,450. 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
Color
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

How it works →
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: $2,450 USD|Low: $419 USD|High: $3,890 USD|Avg: $1,463 USD|-37.0%
Brilliant Earth
Retailer 2
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Retailer 21
November 2, 2026
Retailer 2$419 USD
Retailer 8$468 USD
Retailer 16$469 USD
Retailer 3$519 USD
Retailer 12$548 USD
Retailer 7$576 USD
Retailer 20$665 USD
Retailer 21$751 USD
Retailer 18$819 USD
Retailer 15$855 USD
Retailer 11$869 USD
Retailer 13$895 USD
Retailer 5$931 USD
Retailer 14$1,474 USD
Retailer 10$1,509 USD
Retailer 9$1,652 USD
Retailer 4$1,668 USD
Retailer 6$1,702 USD
Retailer 19$1,891 USD
Retailer 17$1,906 USD
Brilliant Earth$2,450 USD

35 data points across 21 retailers

21 retailers$419 USD to $2,450 USD

A
Cheapest Retailer
-
$419 USD
A
Retailer 2
-
$468 USD
View
Final sale: no returns
A
Retailer 3
-
$469 USD
View
A
Retailer 4
-
$519 USD
View
Retailer 5
-
$548 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$576 USD
HK$4,500 HKD
View
A
Retailer 7
-
$665 USD
View
A
Retailer 8
-
$751 USD
View
A
Retailer 9
-
$819 USD
View
A
Retailer 10
-
$855 USD
£673 GBP
View
A
Retailer 11
-
$869 USD
€828 EUR
View
A
Retailer 12
-
$895 USD
ZAR 14,460 ZAR
View
A
Retailer 13
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$931 USD
View
B+
Retailer 14
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$1,474 USD
View
B+
Retailer 15
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$1,509 USD
£1,188 GBP
View
B+
Retailer 16
-
$1,652 USD
SGD 2,232 SGD
View
B+
Retailer 17
-
$1,668 USD
View
B+
Retailer 18
-
$1,702 USD
View
B+
Retailer 19
-
$1,891 USD
View
B+
Retailer 20
-
$1,906 USD
£1,501 GBP
View
Most Expensive
B
Brilliant Earth
19074344A · Oct 31
$2,450 USD
View
20 more retailers have this diamond
Prices start from $419 USDSave up to $2,031 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
1.30ct Marquise
$419 USD