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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 $199 AUD
As of November 6, 2026
Save $969 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,168 AUD 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 $199 to $1,168, a $969 spread on the same certified stone. MOH London lists it at $1,168. 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

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: $1,168 AUD|Low: $196 AUD|High: $1,198 AUD|Avg: $631 AUD|-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$199 AUD
Retailer 6$231 AUD
Retailer 2$294 AUD
Retailer 7$442 AUD
Retailer 8$718 AUD
Retailer 4$795 AUD
Retailer 5$838 AUD
Retailer 9$853 AUD
MOH London$1,168 AUD

31 data points across 9 retailers

9 retailers$199 AUD to $1,168 AUD

A
Cheapest Retailer
-
$199 AUD
A
Retailer 2
-
$231 AUD
View
A
Retailer 3
-
$294 AUD
View
A
Retailer 4
-
$442 AUD
View
B+
Retailer 5
-
$718 AUD
View
B
Retailer 6
-
$795 AUD
View
B+
Retailer 7
-
$838 AUD
View
Retailer 8
-
$853 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG831674386 · Nov 1
$1,168 AUD
£632 GBP
View
8 more retailers have this diamond
Prices start from $199 AUDSave up to $969 AUD

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
$199 AUD