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Marquise|Lab Grown|IGI

1.63ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG436046743

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436046743

Diamond specifications and retailer prices

From $1,565 CAD
$1,120 USD
As of October 30, 2026
Save $4,975 CAD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,539 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.63ct lab-grown marquise diamond

This 1.63ct lab-grown marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046743 or 436046743. Listed at 11 retailers as of October 29, 2026, with prices from $1,565 to $6,539, a $4,975 spread on the same certified stone. MOH London lists it at $6,539. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.63
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046743
Dimensions11.29 × 6.18 × 3.96 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
11.29 mm6.18 mm1.63 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436046743
Side View
Table 57.5%Crown 35.7°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 64.1%

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: Oct 30
Current: $6,539 CAD|Low: $1,565 CAD|High: $6,592 CAD|Avg: $3,460 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,565 CAD
Retailer 4$1,964 CAD
Retailer 7$2,199 CAD
Retailer 5$2,278 CAD
Retailer 8$2,514 CAD
Retailer 3$2,540 CAD
Retailer 10$3,114 CAD
Retailer 6$3,597 CAD
Retailer 9$4,133 CAD
Retailer 11$6,521 CAD
MOH London$6,539 CAD

14 data points across 11 retailers

11 retailers$1,565 CAD to $6,539 CAD

A
Cheapest Retailer
-
$1,565 CAD
$1,120 USD
B+
Retailer 2
-
$1,964 CAD
$1,406 USD
View
B+
Retailer 3
-
$2,136 CAD
$1,529 USD
View
B+
Retailer 4
-
$2,199 CAD
$1,574 USD
View
Final sale: no returns
Retailer 5
-
$2,278 CAD
$1,631 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,278 CAD
$1,631 USD
View
B
Retailer 7
-
$2,514 CAD
$1,800 USD
View
B
Retailer 8
-
$3,597 CAD
$2,575 USD
View
B
Retailer 9
-
$4,133 CAD
$2,959 USD
View
B
Retailer 10
-
$4,269 CAD
$3,056 USD
View
Most Expensive
B
MOH London
LG436046743 · Oct 29
$6,539 CAD
£3,686 GBP
View
10 more retailers have this diamond
Prices start from $1,565 CADSave up to $4,975 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
1.63ct Marquise
$1,565 CAD