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Marquise|Lab Grown|IGI

1.30ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG851605435

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851605435

Diamond specifications and retailer prices

From $354 CAD
As of November 4, 2026
Save $1,550 CAD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,655 CAD at Queensmith · As of October 28, 2026
View at Queensmith

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 LG851605435 or 851605435. Listed at 22 retailers as of November 4, 2026, with a 438% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851605435
Dimensions11.37 × 5.72 × 3.55 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm5.72 mm1.30 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851605435
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,655 CAD|Low: $354 CAD|High: $2,655 CAD|Avg: $1,030 CAD
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 12$354 CAD
Retailer 7$396 CAD
Retailer 9$411 CAD
Retailer 3$439 CAD
Retailer 13$585 CAD
Retailer 8$592 CAD
Retailer 16$662 CAD
Retailer 11$757 CAD
Retailer 19$758 CAD
Retailer 2$824 CAD
Retailer 4$899 CAD
Retailer 17$1,076 CAD
Retailer 15$1,091 CAD
Retailer 18$1,123 CAD
Retailer 5$1,215 CAD
Retailer 6$1,412 CAD
Retailer 21$1,449 CAD
Retailer 14$1,483 CAD
Retailer 20$1,760 CAD
Retailer 10$1,904 CAD
Queensmith$2,655 CAD

11 data points across 21 retailers

22 retailers$354 CAD to $1,904 CAD

A
Cheapest Retailer
-
$354 CAD
A
Retailer 2
-
$396 CAD
View
Final sale: no returns
A
Retailer 3
-
$411 CAD
View
A
Retailer 4
-
$439 CAD
View
A
Retailer 5
-
$585 CAD
View
A
Retailer 6
-
$592 CAD
View
A
Retailer 7
-
$662 CAD
View
A
Retailer 8
-
$757 CAD
View
A
Retailer 9
-
$758 CAD
View
A
Retailer 10
-
$824 CAD
View
B+
Retailer 11
-
$899 CAD
View
B+
Retailer 12
-
$1,010 CAD
View
B+
Retailer 13
-
$1,076 CAD
View
B+
Retailer 14
-
$1,091 CAD
View
B+
Retailer 15
-
$1,123 CAD
View
Retailer 16
-
$1,215 CAD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$1,412 CAD
View
B
Retailer 18
-
$1,449 CAD
View
B
Retailer 19
-
$1,483 CAD
View
B
Retailer 20
-
$1,760 CAD
View
B
Retailer 21
-
$1,904 CAD
View
Most Expensive
Queensmith
LG851605435 · Oct 28
$2,655 CAD
£1,500 GBP
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from $354 CADSave up to $1,550 CAD

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
$354 CAD