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Marquise|Lab Grown|IGI

1.35ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611859

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611859

Diamond specifications and retailer prices

From $439 USD
As of November 2, 2026
Save $2,131 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,570 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.35ct lab-grown marquise diamond

This 1.35ct 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 LG790611859 or 790611859. Listed at 22 retailers as of November 2, 2026, with prices from $439 to $2,570, a $2,131 spread on the same certified stone. Brilliant Earth lists it at $2,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611859
Dimensions11.16 × 5.88 × 3.69 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
11.16 mm5.88 mm1.35 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611859
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.8%

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 2
Current: $2,570 USD|Low: $439 USD|High: $4,040 USD|Avg: $1,455 USD|-36.4%
Brilliant Earth
Retailer 2
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Retailer 20
November 3, 2026
Retailer 14$439 USD
Retailer 8$491 USD
Retailer 16$492 USD
Retailer 4$545 USD
Retailer 12$602 USD
Retailer 20$690 USD
Retailer 3$777 USD
Retailer 11$777 USD
Retailer 18$855 USD
Retailer 2$900 USD
Retailer 15$939 USD
Retailer 6$997 USD
Retailer 13$1,464 USD
Retailer 10$1,585 USD
Retailer 9$1,727 USD
Retailer 5$1,751 USD
Retailer 7$1,784 USD
Retailer 19$1,957 USD
Retailer 17$2,000 USD
Brilliant Earth$2,570 USD

35 data points across 20 retailers

22 retailers$439 USD to $2,570 USD

A
Cheapest Retailer
-
$439 USD
A
Retailer 2
-
$491 USD
View
Final sale: no returns
A
Retailer 3
-
$492 USD
View
A
Retailer 4
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$545 USD
View
A
Retailer 5
-
$602 USD
HK$4,700 HKD
View
A
Retailer 6
-
$690 USD
View
Retailer 7
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$775 USD
View
Price last confirmed 17 days ago
A
Retailer 8
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$777 USD
View
A
Retailer 9
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$777 USD
€740 EUR
View
A
Retailer 10
-
$855 USD
View
A
Retailer 11
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$900 USD
£709 GBP
View
A
Retailer 12
-
$939 USD
ZAR 15,175 ZAR
View
A
Retailer 13
-
$997 USD
View
B+
Retailer 14
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$1,464 USD
View
B+
Retailer 15
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$1,585 USD
£1,248 GBP
View
B+
Retailer 16
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$1,727 USD
SGD 2,334 SGD
View
B+
Retailer 17
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$1,751 USD
View
B+
Retailer 18
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$1,784 USD
View
B
Retailer 19
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$1,957 USD
View
B
Retailer 20
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$2,000 USD
£1,575 GBP
View
B
Retailer 21
-
$2,325 USD
View
Most Expensive
B
Brilliant Earth
19074326A · Nov 2
$2,570 USD
View
21 more retailers have this diamond
Prices start from $439 USDSave up to $2,131 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
1.35ct Marquise
$439 USD