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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 $211 AUD
As of November 6, 2026
Save $1,007 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,218 AUD 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 $211 to $1,218, a $1,007 spread on the same certified stone. MOH London lists it at $1,218. 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: $1,218 AUD|Low: $202 AUD|High: $1,235 AUD|Avg: $556 AUD|-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$211 AUD
Retailer 7$234 AUD
Retailer 3$261 AUD
Retailer 12$261 AUD
Retailer 5$445 AUD
Retailer 2$492 AUD
Retailer 8$495 AUD
Retailer 6$582 AUD
Retailer 4$728 AUD
Retailer 10$840 AUD
Retailer 9$886 AUD
MOH London$1,218 AUD

45 data points across 12 retailers

16 retailers$211 AUD to $1,218 AUD

A
Cheapest Retailer
-
$211 AUD
A
Retailer 2
-
$234 AUD
View
Final sale: no returns
A
Retailer 3
-
$245 AUD
View
Retailer 4
-
$258 AUD
View
Price last confirmed 43 days ago
Retailer 5
-
$261 AUD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$261 AUD
View
B+
Retailer 7
-
$431 AUD
View
A
Retailer 8
-
$445 AUD
View
B+
Retailer 9
-
$492 AUD
View
B+
Retailer 10
-
$495 AUD
View
B+
Retailer 11
-
$582 AUD
View
B
Retailer 12
-
$728 AUD
View
B
Retailer 13
-
$840 AUD
View
B
Retailer 14
-
$886 AUD
View
B
Retailer 15
-
$920 AUD
View
Most Expensive
B
MOH London
LG803628046 · Nov 4
$1,218 AUD
£659 GBP
View
15 more retailers have this diamond
Prices start from $211 AUDSave up to $1,007 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
$211 AUD