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Marquise|Lab Grown|IGI

1.33ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG803623585

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803623585

Diamond specifications and retailer prices

From $1,450 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,450 USD at Whiteflash
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Whiteflash

About this 1.33ct lab-grown marquise diamond

This 1.33ct 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 LG803623585 or 803623585. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803623585
Dimensions11.59 × 5.72 × 3.55 mm
L/W Ratio2.03
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
11.59 mm5.72 mm1.33 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803623585
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $1,064 USD|Low: $505 USD|High: $2,756 USD|Avg: $1,538 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Whiteflash
October 20, 2026
Retailer 9$505 USD
Retailer 2$550 USD
Retailer 6$985 USD
Retailer 10$1,058 USD
Retailer 1$1,064 USD
Retailer 3$1,152 USD
Retailer 7$1,203 USD
Retailer 5$1,243 USD
Whiteflash$1,450 USD
Retailer 12$1,900 USD
Retailer 8$2,301 USD
Retailer 11$2,754 USD
Retailer 4$2,756 USD

18 data points across 13 retailers

1 retailer

B+
Whiteflash
1078467 · Nov 2
$1,450 USD
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B+
1.33ct Marquise
$1,450 USD