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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG667458721

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG667458721

Diamond specifications and retailer prices

From $1,652 CAD
€1,126 EUR
As of October 27, 2026
Save $4,732 CAD (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,384 CAD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG667458721 or 667458721. Listed at 22 retailers as of October 26, 2026, with prices from $1,652 to $6,384, a $4,732 spread on the same certified stone. Brilliant Earth lists it at $6,384. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667458721
Dimensions11.91 × 5.95 × 3.83 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.91 mm5.95 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667458721
Side View
Table 60.0%Crown 37.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.4%

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: $6,384 CAD|Low: $698 CAD|High: $6,384 CAD|Avg: $2,247 CAD|+23.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 27, 2026
Retailer 7$738 CAD
Retailer 11$782 CAD
Retailer 20$826 CAD
Retailer 14$865 CAD
Retailer 5$915 CAD
Retailer 8$1,306 CAD
Retailer 12$1,327 CAD
Retailer 13$1,328 CAD
Retailer 17$1,398 CAD
Retailer 18$1,620 CAD
Retailer 2$1,652 CAD
Retailer 9$2,030 CAD
Retailer 6$2,046 CAD
Retailer 3$2,405 CAD
Retailer 19$2,661 CAD
Retailer 4$2,892 CAD
Retailer 21$2,972 CAD
Retailer 16$3,130 CAD
Retailer 22$3,392 CAD
Retailer 10$3,632 CAD
Retailer 15$4,974 CAD
Brilliant Earth$6,384 CAD

31 data points across 22 retailers

22 retailers$1,652 CAD to $6,384 CAD

Retailer 1
-
$738 CAD
$528 USD
Price last confirmed 10 days ago
Retailer 2
-
$782 CAD
$560 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$865 CAD
$619 USD
View
Price last confirmed 15 days ago
Retailer 4
-
$915 CAD
$655 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$1,306 CAD
$935 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$1,327 CAD
$950 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$1,328 CAD
$951 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$1,398 CAD
£788 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
$1,620 CAD
$1,160 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$1,652 CAD
€1,126 EUR
View
Retailer 11
-
$2,030 CAD
A$2,236 AUD
View
Price last confirmed 11 days ago
Retailer 12
-
$2,046 CAD
$1,465 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$2,405 CAD
$1,722 USD
View
Price last confirmed 9 days ago
Retailer 14
-
$2,661 CAD
£1,500 GBP
View
Price last confirmed 9 days ago
Retailer 15
-
$2,892 CAD
SGD 2,798 SGD
View
Price last confirmed 8 days ago
Retailer 16
-
$2,972 CAD
$2,128 USD
View
Price last confirmed 9 days ago
Retailer 17
-
$3,049 CAD
$2,183 USD
View
Price last confirmed 9 days ago
Retailer 18
-
$3,130 CAD
$2,240 USD
View
Price last confirmed 8 days ago
Retailer 19
-
$3,392 CAD
$2,428 USD
View
Price last confirmed 9 days ago
Retailer 20
-
$3,632 CAD
£2,047 GBP
View
Price last confirmed 12 days ago
Retailer 21
-
$4,974 CAD
A$5,478 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
18032155A · Oct 26
$6,384 CAD
$4,570 USD
View
21 more retailers have this diamond
Prices start from $1,652 CADSave up to $4,732 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
1.57ct Marquise
$1,652 CAD