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Marquise|Lab Grown|IGI

0.90ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG799676920

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799676920

Diamond specifications and retailer prices

From £769 GBP
$1,035 USD
As of November 1, 2026
2 retailers carry this diamond
Most expensive: £769 GBP at Rare Carat
View at Rare Carat

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799676920 or 799676920. Listed at 2 retailers as of November 1, 2026. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.90
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676920
Dimensions9.45 × 5.05 × 3.21 mm
L/W Ratio1.87
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
9.45 mm5.05 mm0.90 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676920
Side View
Table 56.0%Crown 35.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £769 GBP|Low: £221 GBP|High: £3,366 GBP|Avg: £1,054 GBP|-1.0%
Rare Carat
Retailer 2
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October 18, 2026
Retailer 4£221 GBP
Retailer 9£302 GBP
Retailer 10£380 GBP
Retailer 12£591 GBP
Retailer 16£618 GBP
Retailer 11£713 GBP
Rare Carat£769 GBP
Retailer 2£791 GBP
Retailer 5£902 GBP
Retailer 14£903 GBP
Retailer 8£919 GBP
Retailer 7£1,256 GBP
Retailer 13£1,613 GBP
Retailer 6£1,746 GBP
Retailer 3£1,770 GBP
Retailer 15£3,366 GBP

2 data points across 16 retailers

2 retailers

Retailer 1
-
£618 GBP
Price last confirmed 62 days ago
Most Expensive
B+
Rare Carat
A13-173B_l_823694927 · Nov 1
£769 GBP
$1,035 USD
View
1 more retailer has this diamond

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
£769 GBP