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Marquise|Lab Grown|IGI

1.00ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG500150537

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG500150537

Diamond specifications and retailer prices

From $798 CAD
$571 USD
As of October 30, 2026
Save $3,504 CAD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,302 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500150537 or 500150537. Listed at 11 retailers as of October 26, 2026, with prices from $798 to $4,302, a $3,504 spread on the same certified stone. MOH London lists it at $4,302. 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

1.00
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle34.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500150537
Dimensions10.75 × 5.20 × 3.09 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
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
10.75 mm5.20 mm1.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI LG500150537
Side View
Table 62.0%Crown 34.2°Girdle: MED-THKPavilion 40°Culet: NoneDepth 59.4%

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: $4,302 CAD|Low: $767 CAD|High: $4,348 CAD|Avg: $1,773 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5$798 CAD
Retailer 2$810 CAD
Retailer 8$894 CAD
Retailer 6$990 CAD
Retailer 3$1,173 CAD
Retailer 7$1,524 CAD
Retailer 9$1,574 CAD
Retailer 4$2,456 CAD
Retailer 10$2,652 CAD
MOH London$4,302 CAD

21 data points across 10 retailers

11 retailers$798 CAD to $4,302 CAD

A
Cheapest Retailer
-
$798 CAD
$571 USD
A
Retailer 2
-
$810 CAD
$580 USD
View
A
Retailer 3
-
$894 CAD
$640 USD
View
Final sale: no returns
A
Retailer 4
-
$894 CAD
$640 USD
View
A
Retailer 5
-
$990 CAD
$709 USD
View
Retailer 6
-
$990 CAD
$709 USD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$1,173 CAD
$840 USD
View
B
Retailer 8
-
$1,524 CAD
$1,091 USD
View
B
Retailer 9
-
$2,456 CAD
$1,758 USD
View
B
Retailer 10
-
$2,604 CAD
$1,864 USD
View
Most Expensive
B
MOH London
LG500150537 · Oct 26
$4,302 CAD
£2,425 GBP
View
10 more retailers have this diamond
Prices start from $798 CADSave up to $3,504 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
1.00ct Marquise
$798 CAD