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Marquise|Lab Grown|IGI

3.73ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG811685107

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811685107

Diamond specifications and retailer prices

From $743 CAD
$531 USD
As of October 27, 2026
Save $5,849 CAD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,592 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.73ct lab-grown marquise diamond

This 3.73ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811685107 or 811685107. Listed at 18 retailers as of October 27, 2026, with prices from $743 to $6,592, a $5,849 spread on the same certified stone. Do Amore Diamonds lists it at $6,592. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.73
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811685107
Dimensions16.79 × 8.13 × 4.95 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.79 mm8.13 mm3.73 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811685107
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.9%

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 27
Current: $6,592 CAD|Low: $603 CAD|High: $7,054 CAD|Avg: $2,871 CAD|-1.9%
Do Amore Diamonds
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
October 26, 2026
Retailer 12$743 CAD
Retailer 10$831 CAD
Retailer 5$868 CAD
Retailer 6$960 CAD
Retailer 2$1,426 CAD
Retailer 8$1,969 CAD
Retailer 13$2,196 CAD
Retailer 4$2,725 CAD
Retailer 11$2,992 CAD
Retailer 3$3,029 CAD
Retailer 9$3,483 CAD
Retailer 7$4,419 CAD
Retailer 14$5,304 CAD
Do Amore Diamonds$6,592 CAD

27 data points across 14 retailers

18 retailers$743 CAD to $6,592 CAD

A
Cheapest Retailer
-
$743 CAD
$531 USD
Retailer 2
-
$757 CAD
$541 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$831 CAD
$594 USD
View
Final sale: no returns
Retailer 4
-
$868 CAD
$620 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$921 CAD
$658 USD
View
Retailer 6
-
$939 CAD
$671 USD
View
Price last confirmed 12 days ago
Retailer 7
-
$960 CAD
$686 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$1,426 CAD
$1,019 USD
View
A
Retailer 9
-
$1,969 CAD
$1,407 USD
View
Retailer 10
-
$2,196 CAD
A$2,414 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$2,673 CAD
$1,910 USD
View
Retailer 12
-
$2,725 CAD
$1,947 USD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
$2,992 CAD
$2,138 USD
View
Retailer 14
-
$3,029 CAD
£1,704 GBP
View
Price last confirmed 13 days ago
B+
Retailer 15
-
$3,483 CAD
$2,488 USD
View
B
Retailer 16
-
$4,419 CAD
£2,486 GBP
View
B
Retailer 17
-
$5,304 CAD
$3,790 USD
View
Most Expensive
B
Do Amore Diamonds
27-F08F532FA · Oct 30
$6,592 CAD
$4,710 USD
View
17 more retailers have this diamond
Prices start from $743 CADSave up to $5,849 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
3.73ct Marquise
$743 CAD