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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 $344 SGD
HK$2,100 HKD
As of November 1, 2026
Save $1,089 SGD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,433 SGD 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 $344 to $1,433, a $1,089 spread on the same certified stone. MOH London lists it at $1,433. 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: $1,433 SGD|Low: $344 SGD|High: $1,441 SGD|Avg: $684 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6$344 SGD
Retailer 3$521 SGD
Retailer 2$529 SGD
Retailer 7$536 SGD
Retailer 5$574 SGD
Retailer 4$989 SGD
MOH London$1,433 SGD

4 data points across 7 retailers

7 retailers$344 SGD to $1,433 SGD

A
Cheapest Retailer
-
$344 SGD
HK$2,100 HKD
A
Retailer 2
-
$521 SGD
€388 EUR
View
A
Retailer 3
-
$529 SGD
ZAR 6,681 ZAR
View
A
Retailer 4
-
$536 SGD
$419 USD
View
A
Retailer 5
-
$574 SGD
$449 USD
View
B
Retailer 6
-
$989 SGD
$773 USD
View
Most Expensive
B
MOH London
LG510185913 · Nov 1
$1,433 SGD
£882 GBP
View
6 more retailers have this diamond
Prices start from $344 SGDSave up to $1,089 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
1.30ct Radiant
$344 SGD