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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG728561101

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG728561101

Diamond specifications and retailer prices

From $817 CAD
$585 USD
As of October 30, 2026
Save $6,447 CAD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,264 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG728561101 or 728561101. Listed at 18 retailers as of October 30, 2026, with prices from $817 to $7,264, a $6,447 spread on the same certified stone. Do Amore Diamonds lists it at $7,264. 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 angle33.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728561101
Dimensions11.65 × 6.22 × 3.70 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.65 mm6.22 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728561101
Side View
Table 60.0%Crown 33.6°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A+
Exceptional
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: $7,264 CAD|Low: $746 CAD|High: $8,158 CAD|Avg: $2,776 CAD|-11.0%
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
October 31, 2026
Retailer 14$817 CAD
Retailer 5$916 CAD
Retailer 10$1,045 CAD
Retailer 7$1,180 CAD
Retailer 16$1,187 CAD
Retailer 8$1,302 CAD
Retailer 15$1,558 CAD
Retailer 13$1,742 CAD
Retailer 9$1,869 CAD
Retailer 17$2,516 CAD
Retailer 11$2,607 CAD
Retailer 4$2,839 CAD
Retailer 18$2,943 CAD
Retailer 6$3,779 CAD
Retailer 12$3,911 CAD
Retailer 3$4,416 CAD
Retailer 2$4,954 CAD
Do Amore Diamonds$7,264 CAD

33 data points across 18 retailers

18 retailers$817 CAD to $7,264 CAD

A+
Cheapest Retailer
-
$817 CAD
$585 USD
A
Retailer 2
-
$916 CAD
$656 USD
View
A
Retailer 3
-
$1,045 CAD
$748 USD
View
Final sale: no returns
A
Retailer 4
-
$1,180 CAD
$845 USD
View
A
Retailer 5
-
$1,187 CAD
$850 USD
View
A
Retailer 6
-
$1,302 CAD
$932 USD
View
A
Retailer 7
-
$1,558 CAD
$1,115 USD
View
A
Retailer 8
-
$1,742 CAD
€1,188 EUR
View
A
Retailer 9
-
$1,869 CAD
A$2,058 AUD
View
B+
Retailer 10
-
$2,516 CAD
$1,801 USD
View
B+
Retailer 11
-
$2,607 CAD
A$2,871 AUD
View
B+
Retailer 12
-
$2,839 CAD
$2,032 USD
View
B+
Retailer 13
-
$2,943 CAD
$2,107 USD
View
B+
Retailer 14
-
$3,779 CAD
$2,705 USD
View
B+
Retailer 15
-
$3,911 CAD
$2,800 USD
View
B+
Retailer 16
-
$4,416 CAD
£2,489 GBP
View
B
Retailer 17
-
$4,954 CAD
A$5,456 AUD
View
Most Expensive
B
Do Amore Diamonds
27-6045B7004 · Oct 30
$7,264 CAD
$5,200 USD
View
17 more retailers have this diamond
Prices start from $817 CADSave up to $6,447 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
$817 CAD