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Marquise|Lab Grown|IGI

1.35ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780663952

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780663952

Diamond specifications and retailer prices

From $537 USD
As of November 4, 2026
Save $1,833 USD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,370 USD at Brilliant Earth · As of November 4, 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 LG780663952 or 780663952. Listed at 13 retailers as of November 4, 2026, with prices from $537 to $2,370, a $1,833 spread on the same certified stone. Brilliant Earth lists it at $2,370. 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°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663952
Dimensions11.33 × 5.73 × 3.67 mm
L/W Ratio1.98
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
11.33 mm5.73 mm1.35 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663952
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.0%

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 4
Current: $2,370 USD|Low: $537 USD|High: $3,870 USD|Avg: $1,685 USD|-38.8%
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
November 5, 2026
Retailer 6$537 USD
Retailer 7$658 USD
Retailer 8$832 USD
Retailer 4$912 USD
Retailer 5$1,042 USD
Retailer 10$1,069 USD
Retailer 12$1,080 USD
Retailer 13$1,210 USD
Retailer 9$1,345 USD
Retailer 11$1,533 USD
Retailer 2$1,812 USD
Retailer 3$2,325 USD
Brilliant Earth$2,370 USD

45 data points across 13 retailers

13 retailers$537 USD to $2,370 USD

A
Cheapest Retailer
-
$537 USD
A
Retailer 2
-
$658 USD
View
A
Retailer 3
-
$832 USD
View
A
Retailer 4
-
$912 USD
View
B+
Retailer 5
-
$1,042 USD
View
B+
Retailer 6
-
$1,069 USD
View
A
Retailer 7
-
$1,080 USD
View
Retailer 8
-
$1,210 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,345 USD
View
B+
Retailer 10
-
$1,533 USD
View
B
Retailer 11
-
$1,812 USD
View
Retailer 12
-
$2,325 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
19712353A · Nov 4
$2,370 USD
View
12 more retailers have this diamond
Prices start from $537 USDSave up to $1,833 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
$537 USD