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Radiant|Lab Grown|IGI

1.51ct H SI1 Radiant Lab Grown Diamond

EX • H/SI1 • IGI LG559296357

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG559296357

Diamond specifications and retailer prices

From $1,162 SGD
£716 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,162 SGD at Diamond Quarter
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 Diamond Quarter

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559296357 or 559296357. Listed at a single retailer as of November 2, 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

1.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559296357
Dimensions8.03 × 5.64 × 3.87 mm
L/W Ratio1.42
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
8.03 mm5.64 mm1.51 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559296357
Side View
Table 63.5%Crown 39.1°Girdle: MediumPavilion 36.8°CuletDepth 68.6%

Caratlytics Score

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

Last verified: Nov 2
Current: $1,162 SGD|Low: $1,162 SGD|High: $1,162 SGD|Avg: $1,162 SGD
September 26, 2026
Diamond Quarter$1,162 SGD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
1.51SI1HLG57199AN · Nov 2
$1,162 SGD
£716 GBP
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B+
1.51ct Radiant
$1,162 SGD