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Radiant|Lab Grown|IGI

1.03ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG604300021

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

Certificate IGI LG604300021

Diamond specifications and retailer prices

From $748 SGD
As of November 5, 2026
7 retailers carry this diamond
Most expensive: $1,074 SGD at MOH London · As of October 15, 2026
View at MOH London

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG604300021 or 604300021. Listed at 7 retailers as of November 5, 2026. 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

1.03
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604300021
Dimensions7.27 × 4.95 × 3.31 mm
L/W Ratio1.47
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
7.27 mm4.95 mm1.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604300021
Side View
Table 65.0%Crown 46.1°Girdle: MediumPavilion 33.9°Culet: NoneDepth 66.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $1,074 SGD|Low: $159 SGD|High: $1,781 SGD|Avg: $667 SGD|+3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 17, 2026
Retailer 7$167 SGD
Retailer 9$186 SGD
Retailer 10$333 SGD
Retailer 5$378 SGD
Retailer 11$534 SGD
Retailer 3$600 SGD
Retailer 4$700 SGD
Retailer 8$705 SGD
Retailer 6$791 SGD
MOH London$1,074 SGD
Retailer 2$1,781 SGD

15 data points across 11 retailers

7 retailers

Retailer 1
-
$167 SGD
Price last confirmed 30 days ago
Retailer 2
-
$192 SGD
View
Price last confirmed 24 days ago
Retailer 3
-
$378 SGD
View
Price last confirmed 22 days ago
Retailer 4
-
$705 SGD
View
Price last confirmed 23 days ago
Retailer 5
-
$731 SGD
View
Price last confirmed 38 days ago
B
Retailer 6
-
$748 SGD
View
Most Expensive
MOH London
LG604300021 · Oct 15
$1,074 SGD
£660 GBP
View
Price last confirmed 22 days ago
6 more retailers have this diamond
Prices start from $748 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.03ct Radiant
$748 SGD