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Marquise|Lab Grown|IGI

0.90ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG451053435

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG451053435

Diamond specifications and retailer prices

From $491 USD
£387 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $491 USD at MD Diamonds and Jewellers
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 MD Diamonds and Jewellers

About this 0.9ct lab-grown marquise diamond

This 0.9ct lab-grown marquise sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451053435 or 451053435. 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. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.90
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle34.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451053435
Dimensions9.77 × 5.11 × 3.04 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
9.77 mm5.11 mm0.90 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI LG451053435
Side View
Table 63.0%Crown 34.2°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 59.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $491 USD|Low: $253 USD|High: $643 USD|Avg: $426 USD
MD Diamonds and Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
April 26, 2026
Retailer 5$253 USD
Retailer 4$255 USD
Retailer 2$310 USD
Retailer 6$434 USD
MD Diamonds and Jewellers$491 USD
Retailer 3$515 USD
Retailer 7$643 USD

41 data points across 7 retailers

1 retailer

B
MD Diamonds and Jewellers
LG451053435 · Nov 2
$491 USD
£387 GBP
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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.

B
0.90ct Marquise
$491 USD