Marquise|Lab Grown|IGI

1.30ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG830613746

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830613746

Diamond specifications and retailer prices

From $397 USD
HK$3,100 HKD
As of October 31, 2026
Save $1,057 USD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,454 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830613746 or 830613746. Listed at 10 retailers as of October 26, 2026, with prices from $397 to $1,454, a $1,057 spread on the same certified stone. MOH London lists it at $1,454. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830613746
Dimensions10.98 × 5.76 × 3.64 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.98 mm5.76 mm1.30 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830613746
Side View
Table 62.0%Crown 33.3°Girdle: MED-STKPavilion 42°Culet: NoneDepth 63.2%

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: Oct 31
Current: $1,454 USD|Low: $397 USD|High: $1,454 USD|Avg: $780 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10$397 USD
Retailer 4$488 USD
Retailer 7$557 USD
Retailer 6$592 USD
Retailer 2$642 USD
Retailer 8$689 USD
Retailer 5$908 USD
Retailer 3$965 USD
Retailer 9$1,214 USD
MOH London$1,454 USD

9 data points across 10 retailers

10 retailers$397 USD to $1,454 USD

A
Cheapest Retailer
-
$397 USD
HK$3,100 HKD
A
Retailer 2
-
$488 USD
View
B+
Retailer 3
-
$557 USD
View
B+
Retailer 4
-
$592 USD
€564 EUR
View
B+
Retailer 5
-
$642 USD
£505 GBP
View
B+
Retailer 6
-
$689 USD
View
B
Retailer 7
-
$908 USD
A$1,397 AUD
View
B
Retailer 8
-
$965 USD
View
B
Retailer 9
-
$1,214 USD
View
Most Expensive
B
MOH London
LG830613746 · Oct 26
$1,454 USD
£1,145 GBP
View
9 more retailers have this diamond
Prices start from $397 USDSave up to $1,057 USD

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 Marquise
$397 USD