Marquise|Lab Grown|IGI

1.01ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG809685305

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809685305

Diamond specifications and retailer prices

From $447 CAD
As of November 6, 2026
Save $765 CAD (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,211 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG809685305 or 809685305. Listed at 8 retailers as of November 4, 2026, with prices from $447 to $1,211, a $765 spread on the same certified stone. MOH London lists it at $1,211. 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

1.01
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809685305
Dimensions10.05 × 5.39 × 3.33 mm
L/W Ratio1.86
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.05 mm5.39 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809685305
Side View
Table 59.0%Crown 30.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.8%

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 6
Current: $1,211 CAD|Low: $434 CAD|High: $1,291 CAD|Avg: $678 CAD|-5.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$447 CAD
Retailer 4$448 CAD
Retailer 6$478 CAD
Retailer 3$493 CAD
Retailer 5$705 CAD
Retailer 8$740 CAD
Retailer 7$912 CAD
MOH London$1,211 CAD

43 data points across 8 retailers

8 retailers$447 CAD to $1,211 CAD

A
Cheapest Retailer
-
$447 CAD
A
Retailer 2
-
$448 CAD
View
B+
Retailer 3
-
$478 CAD
View
A
Retailer 4
-
$493 CAD
View
B+
Retailer 5
-
$705 CAD
View
Retailer 6
-
$740 CAD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$912 CAD
View
Most Expensive
B
MOH London
LG809685305 · Nov 4
$1,211 CAD
£683 GBP
View
7 more retailers have this diamond
Prices start from $447 CADSave up to $765 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
1.01ct Marquise
$447 CAD