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0.27ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG579300391

Shape and cutting style on the report: Round brilliant

Certificate IGI LG579300391

Diamond specifications and retailer prices

From $240 USD
£189 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $240 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 0.27ct lab-grown round diamond

This 0.27ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579300391 or 579300391. Listed at a single retailer as of October 29, 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

0.27
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579300391
Dimensions4.18 × 4.21 × 2.51 mm
L/W Ratio1.01
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
4.18 mm4.21 mm0.27 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579300391
Side View
Table 56.0%Crown 32.2°GirdlePavilion 40.2°Culet: NoneDepth 59.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $240 USD|Low: $240 USD|High: $240 USD|Avg: $240 USD
December 30, 2025
MD Diamonds and Jewellers$240 USD

3 data points across 1 retailer

1 retailer

B
MD Diamonds and Jewellers
LG579300391 · Oct 29
$240 USD
£189 GBP
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B
0.27ct Round
$240 USD