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Round|Lab Grown|IGI

1.58ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG563209737

Shape and cutting style on the report: Round brilliant

Certificate IGI LG563209737

Diamond specifications and retailer prices

From $1,381 SGD
$1,080 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $1,381 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 1.58ct lab-grown round diamond

This 1.58ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG563209737 or 563209737. 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

1.58
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG563209737
Dimensions7.55 × 7.53 × 4.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.55 mm7.53 mm1.58 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG563209737
Side View
Table 58.5%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $1,381 SGD|Low: $610 SGD|High: $1,611 SGD|Avg: $1,022 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
February 6, 2026
Retailer 2$610 SGD
Retailer 4$854 SGD
Retailer 3$1,089 SGD
Brilliant Earth$1,381 SGD

25 data points across 4 retailers

1 retailer

B+
Brilliant Earth
9427216A · Oct 31
$1,381 SGD
$1,080 USD
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B+
1.58ct Round
$1,381 SGD