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Marquise|Lab Grown|IGI

1.71ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG806630081

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806630081

Diamond specifications and retailer prices

From $768 CAD
$549 USD
As of October 29, 2026
Save $5,544 CAD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,312 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.71ct lab-grown marquise diamond

This 1.71ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG806630081 or 806630081. Listed at 17 retailers as of October 28, 2026, with prices from $768 to $6,312, a $5,544 spread on the same certified stone. Brilliant Earth lists it at $6,312. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806630081
Dimensions12.75 × 6.21 × 3.72 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.75 mm6.21 mm1.71 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806630081
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 59.9%

Caratlytics Score

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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 29
Current: $1,324 CAD|Low: $768 CAD|High: $3,745 CAD|Avg: $1,939 CAD|-3.9%
Retailer 1
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
October 30, 2026
Retailer 15$768 CAD
Retailer 14$1,043 CAD
Retailer 5$1,302 CAD
Retailer 1$1,324 CAD
Retailer 9$1,414 CAD
Retailer 4$1,469 CAD
Retailer 13$1,480 CAD
Retailer 11$1,868 CAD
Retailer 8$1,981 CAD
Retailer 6$2,311 CAD
Retailer 2$2,694 CAD
Retailer 12$2,772 CAD
Retailer 10$2,784 CAD
Retailer 3$2,981 CAD
Retailer 7$3,626 CAD

20 data points across 15 retailers

17 retailers$768 CAD to $6,312 CAD

A
Cheapest Retailer
-
$768 CAD
$549 USD
Final sale: no returns
A
Retailer 2
-
$1,043 CAD
$745 USD
View
A
Retailer 3
-
$1,302 CAD
$930 USD
View
A
Retailer 4
-
$1,324 CAD
$946 USD
View
A
Retailer 5
-
$1,414 CAD
£795 GBP
View
A
Retailer 6
-
$1,469 CAD
ZAR 16,959 ZAR
View
A
Retailer 7
-
$1,480 CAD
€1,007 EUR
View
A
Retailer 8
-
$1,868 CAD
$1,335 USD
View
A
Retailer 9
-
$1,981 CAD
A$2,177 AUD
View
A
Retailer 10
-
$2,311 CAD
$1,651 USD
View
B+
Retailer 11
-
$2,694 CAD
SGD 2,601 SGD
View
B+
Retailer 12
-
$2,772 CAD
$1,981 USD
View
B+
Retailer 13
-
$2,784 CAD
$1,989 USD
View
B+
Retailer 14
-
$2,981 CAD
$2,130 USD
View
Retailer 15
-
$3,626 CAD
£2,040 GBP
View
Price last confirmed 9 days ago
Retailer 16
-
$4,013 CAD
A$4,411 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
20219477A · Oct 28
$6,312 CAD
$4,510 USD
View
16 more retailers have this diamond
Prices start from $768 CADSave up to $5,544 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
1.71ct Marquise
$768 CAD