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Radiant|Lab Grown|IGI

1.03ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG831674386

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

Certificate IGI LG831674386

Diamond specifications and retailer prices

From $176 SGD
As of November 6, 2026
Save $853 SGD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,029 SGD at MOH London · As of November 1, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831674386 or 831674386. Listed at 9 retailers as of November 1, 2026, with prices from $176 to $1,029, a $853 spread on the same certified stone. MOH London lists it at $1,029. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831674386
Dimensions7.02 × 5.07 × 3.31 mm
L/W Ratio1.38
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.02 mm5.07 mm1.03 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831674386
Side View
Table 67.0%Crown 44.2°Girdle: MediumPavilion 34.5°Culet: NoneDepth 65.3%

Caratlytics Score

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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: $1,029 SGD|Low: $173 SGD|High: $1,055 SGD|Avg: $555 SGD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$176 SGD
Retailer 6$204 SGD
Retailer 2$259 SGD
Retailer 7$390 SGD
Retailer 8$632 SGD
Retailer 4$700 SGD
Retailer 5$738 SGD
Retailer 9$751 SGD
MOH London$1,029 SGD

31 data points across 9 retailers

9 retailers$176 SGD to $1,029 SGD

A
Cheapest Retailer
-
$176 SGD
A
Retailer 2
-
$204 SGD
View
A
Retailer 3
-
$259 SGD
View
A
Retailer 4
-
$390 SGD
View
B+
Retailer 5
-
$632 SGD
View
B
Retailer 6
-
$700 SGD
View
B+
Retailer 7
-
$738 SGD
View
Retailer 8
-
$751 SGD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG831674386 · Nov 1
$1,029 SGD
£632 GBP
View
8 more retailers have this diamond
Prices start from $176 SGDSave up to $853 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
$176 SGD