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Marquise|Lab Grown|IGI

0.90ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG541285768

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG541285768

Diamond specifications and retailer prices

From $890 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $890 USD at Brilliant Earth
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 Brilliant Earth

About this 0.9ct lab-grown marquise diamond

This 0.9ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG541285768 or 541285768. Listed at a single retailer as of October 31, 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541285768
Dimensions9.83 × 5.05 × 3.16 mm
L/W Ratio1.95
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
9.83 mm5.05 mm0.90 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541285768
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $890 USD|Low: $358 USD|High: $7,165 USD|Avg: $859 USD|+3.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
July 6, 2026
Retailer 4$358 USD
Retailer 5$516 USD
Retailer 3$812 USD
Brilliant Earth$890 USD
Retailer 2$1,703 USD

27 data points across 5 retailers

1 retailer

B
Brilliant Earth
6152638A · Oct 31
$890 USD
View

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
$890 USD