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Marquise|Lab Grown|IGI

0.36ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG310390027

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG310390027

Diamond specifications and retailer prices

From £149 GBP
$200 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: £149 GBP 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 0.36ct lab-grown marquise diamond

This 0.36ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG310390027 or 310390027. 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

0.36
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG310390027
Dimensions6.94 × 3.84 × 2.36 mm
L/W Ratio1.81
Culet sizeNone
Top View
6.94 mm3.84 mm0.36 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG310390027
Side View
Table 54.0%Crown 33.4°Girdle: MED-THKPavilion 40°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £149 GBP|Low: £149 GBP|High: £216 GBP|Avg: £173 GBP|-31.0%
Brilliant Earth
Retailer 2
October 9, 2026
Brilliant Earth£149 GBP
Retailer 2£153 GBP

19 data points across 2 retailers

1 retailer

B+
Brilliant Earth
4343384Y · Oct 31
£149 GBP
$200 USD
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B+
0.36ct Marquise
£149 GBP