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Radiant|Lab Grown|IGI

1.30ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG510185913

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

Certificate IGI LG510185913

Diamond specifications and retailer prices

From $384 AUD
As of November 1, 2026
Save $1,220 AUD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,604 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG510185913 or 510185913. Listed at 7 retailers as of November 1, 2026, with prices from $384 to $1,604, a $1,220 spread on the same certified stone. MOH London lists it at $1,604. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510185913
Dimensions7.63 × 5.37 × 3.59 mm
L/W Ratio1.42
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
7.63 mm5.37 mm1.30 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510185913
Side View
Table 65.0%Crown 43.4°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 66.9%

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 1
Current: $1,604 AUD|Low: $384 AUD|High: $1,613 AUD|Avg: $765 AUD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6$384 AUD
Retailer 3$583 AUD
Retailer 2$591 AUD
Retailer 7$600 AUD
Retailer 5$643 AUD
Retailer 4$1,107 AUD
MOH London$1,604 AUD

4 data points across 7 retailers

7 retailers$384 AUD to $1,604 AUD

A
Cheapest Retailer
-
$384 AUD
A
Retailer 2
-
$583 AUD
View
A
Retailer 3
-
$591 AUD
View
A
Retailer 4
-
$600 AUD
View
A
Retailer 5
-
$643 AUD
View
B
Retailer 6
-
$1,107 AUD
View
Most Expensive
B
MOH London
LG510185913 · Nov 1
$1,604 AUD
£882 GBP
View
6 more retailers have this diamond
Prices start from $384 AUDSave up to $1,220 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
1.30ct Radiant
$384 AUD