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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 $475 NZD
As of November 4, 2026
Save $1,505 NZD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,980 NZD at MOH London · As of November 5, 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 4, 2026, with prices from $475 to $1,980, a $1,505 spread on the same certified stone. MOH London lists it at $1,980. 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 4
Current: $1,980 NZD|Low: $475 NZD|High: $1,998 NZD|Avg: $955 NZD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6$475 NZD
Retailer 3$722 NZD
Retailer 2$733 NZD
Retailer 7$743 NZD
Retailer 5$797 NZD
Retailer 4$1,371 NZD
MOH London$1,980 NZD

5 data points across 7 retailers

7 retailers$475 NZD to $1,980 NZD

A
Cheapest Retailer
-
$475 NZD
A
Retailer 2
-
$722 NZD
View
A
Retailer 3
-
$733 NZD
View
A
Retailer 4
-
$743 NZD
View
A
Retailer 5
-
$797 NZD
View
B+
Retailer 6
-
$1,371 NZD
View
Most Expensive
B
MOH London
LG510185913 · Nov 5
$1,980 NZD
£879 GBP
View
6 more retailers have this diamond
Prices start from $475 NZDSave up to $1,505 NZD

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
$475 NZD