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Marquise|Lab Grown|IGI

0.34ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG311830032

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG311830032

Diamond specifications and retailer prices

From €179 EUR
$200 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €179 EUR 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 0.34ct lab-grown marquise diamond

This 0.34ct 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 LG311830032 or 311830032. 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

0.34
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG311830032
Dimensions6.73 × 3.73 × 2.32 mm
L/W Ratio1.80
Culet sizeNone
Top View
6.73 mm3.73 mm0.34 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG311830032
Side View
Table 61.0%Crown 34°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €179 EUR|Low: €170 EUR|High: €242 EUR|Avg: €194 EUR|-25.9%
Brilliant Earth
Retailer 2
October 4, 2026
Retailer 2€175 EUR
Brilliant Earth€179 EUR

20 data points across 2 retailers

1 retailer

B+
Brilliant Earth
4793230Y · Oct 31
€179 EUR
$200 USD
View

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B+
0.34ct Marquise
€179 EUR