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Radiant|Lab Grown|IGI

1.03ct G SI1 Radiant Lab Grown Diamond

VG • G/SI1 • IGI LG803628046

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

Certificate IGI LG803628046

Diamond specifications and retailer prices

From $186 SGD
As of November 6, 2026
Save $887 SGD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,073 SGD at MOH London · As of November 4, 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 very-good cut grade and certified by IGI LG803628046 or 803628046. Listed at 16 retailers as of November 4, 2026, with prices from $186 to $1,073, a $887 spread on the same certified stone. MOH London lists it at $1,073. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803628046
Dimensions7.06 × 5.08 × 3.49 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.06 mm5.08 mm1.03 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803628046
Side View
Table 69.0%Crown 40.3°Girdle: Slightly ThickPavilion 38.5°Culet: NoneDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,073 SGD|Low: $178 SGD|High: $1,087 SGD|Avg: $490 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$186 SGD
Retailer 7$206 SGD
Retailer 3$229 SGD
Retailer 12$229 SGD
Retailer 5$392 SGD
Retailer 2$433 SGD
Retailer 8$436 SGD
Retailer 6$513 SGD
Retailer 4$641 SGD
Retailer 10$739 SGD
Retailer 9$780 SGD
MOH London$1,073 SGD

45 data points across 12 retailers

16 retailers$186 SGD to $1,073 SGD

A
Cheapest Retailer
-
$186 SGD
A
Retailer 2
-
$206 SGD
View
Final sale: no returns
A
Retailer 3
-
$215 SGD
View
Retailer 4
-
$227 SGD
View
Price last confirmed 43 days ago
Retailer 5
-
$229 SGD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$229 SGD
View
B+
Retailer 7
-
$379 SGD
View
A
Retailer 8
-
$392 SGD
View
B+
Retailer 9
-
$433 SGD
View
B+
Retailer 10
-
$436 SGD
View
B+
Retailer 11
-
$513 SGD
View
B
Retailer 12
-
$641 SGD
View
B
Retailer 13
-
$739 SGD
View
B
Retailer 14
-
$780 SGD
View
B
Retailer 15
-
$810 SGD
View
Most Expensive
B
MOH London
LG803628046 · Nov 4
$1,073 SGD
£659 GBP
View
15 more retailers have this diamond
Prices start from $186 SGDSave up to $887 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.

A
1.03ct Radiant
$186 SGD