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Oval|Lab Grown|IGI

1.05ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG520205842

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG520205842

Diamond specifications and retailer prices

From $1,512 SGD
$1,180 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: $1,512 SGD 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 1.05ct lab-grown oval diamond

This 1.05ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG520205842 or 520205842. Listed at a single retailer as of November 6, 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

1.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520205842
Dimensions8.49 × 5.69 × 3.50 mm
L/W Ratio1.49
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
8.49 mm5.69 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520205842
Side View
Table 59.5%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $1,512 SGD|Low: $723 SGD|High: $1,512 SGD|Avg: $1,161 SGD
Brilliant Earth
Retailer 2
December 30, 2025
Retailer 2$723 SGD
Brilliant Earth$1,512 SGD

5 data points across 2 retailers

1 retailer

B
Brilliant Earth
13225828A · Nov 6
$1,512 SGD
$1,180 USD
View

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B
1.05ct Oval
$1,512 SGD