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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG787651488

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787651488

Diamond specifications and retailer prices

From $907 CAD
$649 USD
As of October 30, 2026
Save $7,140 CAD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,046 CAD at Do Amore Diamonds · As of October 31, 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 LG787651488 or 787651488. Listed at 23 retailers as of October 30, 2026, with prices from $907 to $8,046, a $7,140 spread on the same certified stone. Do Amore Diamonds lists it at $8,046. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787651488
Dimensions12.01 × 6.15 × 3.80 mm
L/W Ratio1.95
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
12.01 mm6.15 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787651488
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.8%

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 30
Current: $8,046 CAD|Low: $907 CAD|High: $8,381 CAD|Avg: $2,970 CAD|-4.0%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 6$907 CAD
Retailer 21$986 CAD
Retailer 8$1,016 CAD
Retailer 19$1,052 CAD
Retailer 22$1,287 CAD
Retailer 14$1,299 CAD
Retailer 5$1,396 CAD
Retailer 7$1,448 CAD
Retailer 18$1,715 CAD
Retailer 13$1,861 CAD
Retailer 17$2,134 CAD
Retailer 11$2,686 CAD
Retailer 2$2,890 CAD
Retailer 20$3,263 CAD
Retailer 9$3,586 CAD
Retailer 4$3,598 CAD
Retailer 10$3,640 CAD
Retailer 15$3,779 CAD
Retailer 3$4,156 CAD
Retailer 12$4,192 CAD
Retailer 16$4,582 CAD
Do Amore Diamonds$8,046 CAD

37 data points across 22 retailers

23 retailers$907 CAD to $8,046 CAD

A
Cheapest Retailer
-
$907 CAD
$649 USD
A
Retailer 2
-
$986 CAD
$706 USD
View
A
Retailer 3
-
$1,016 CAD
$727 USD
View
Final sale: no returns
A
Retailer 4
-
$1,052 CAD
$753 USD
View
Retailer 5
-
$1,095 CAD
$784 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,287 CAD
$921 USD
View
A
Retailer 7
-
$1,299 CAD
$930 USD
View
A
Retailer 8
-
$1,396 CAD
$999 USD
View
A
Retailer 9
-
$1,448 CAD
HK$8,100 HKD
View
A
Retailer 10
-
$1,715 CAD
$1,228 USD
View
A
Retailer 11
-
$1,861 CAD
£1,049 GBP
View
A
Retailer 12
-
$2,134 CAD
ZAR 24,674 ZAR
View
B+
Retailer 13
-
$2,686 CAD
$1,923 USD
View
B+
Retailer 14
-
$2,890 CAD
A$3,183 AUD
View
B+
Retailer 15
-
$3,263 CAD
$2,336 USD
View
B+
Retailer 16
-
$3,586 CAD
$2,567 USD
View
B+
Retailer 17
-
$3,598 CAD
£2,028 GBP
View
B+
Retailer 18
-
$3,640 CAD
$2,606 USD
View
B+
Retailer 19
-
$3,779 CAD
$2,705 USD
View
B+
Retailer 20
-
$4,156 CAD
$2,975 USD
View
B
Retailer 21
-
$4,192 CAD
SGD 4,055 SGD
View
B+
Retailer 22
-
$4,582 CAD
£2,583 GBP
View
Most Expensive
B
Do Amore Diamonds
27-609A41763 · Oct 31
$8,046 CAD
$5,760 USD
View
22 more retailers have this diamond
Prices start from $907 CADSave up to $7,140 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
$907 CAD