CaratHunter
Plans
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 $585 USD
As of October 30, 2026
Save $4,615 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,200 USD at Do Amore Diamonds · As of November 1, 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 $585 to $5,200, a $4,615 spread on the same certified stone. Do Amore Diamonds lists it at $5,200. 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: $5,200 USD|Low: $574 USD|High: $5,840 USD|Avg: $1,982 USD|-11.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 15$585 USD
Retailer 5$656 USD
Retailer 10$748 USD
Retailer 7$845 USD
Retailer 17$850 USD
Retailer 8$932 USD
Retailer 16$1,115 USD
Retailer 14$1,247 USD
Retailer 9$1,338 USD
Retailer 18$1,801 USD
Retailer 12$1,866 USD
Retailer 4$2,032 USD
Retailer 3$2,107 USD
Retailer 6$2,705 USD
Retailer 13$2,800 USD
Retailer 2$3,157 USD
Retailer 11$3,546 USD
Do Amore Diamonds$5,200 USD

33 data points across 18 retailers

18 retailers$585 USD to $5,200 USD

A+
Cheapest Retailer
-
$585 USD
A
Retailer 2
-
$656 USD
View
A
Retailer 3
-
$748 USD
View
Final sale: no returns
A
Retailer 4
-
$845 USD
View
A
Retailer 5
-
$850 USD
View
A
Retailer 6
-
$932 USD
View
A
Retailer 7
-
$1,115 USD
View
A
Retailer 8
-
$1,247 USD
€1,188 EUR
View
A
Retailer 9
-
$1,338 USD
A$2,058 AUD
View
B+
Retailer 10
-
$1,801 USD
View
B+
Retailer 11
-
$1,866 USD
A$2,871 AUD
View
B+
Retailer 12
-
$2,032 USD
View
B+
Retailer 13
-
$2,107 USD
View
B+
Retailer 14
-
$2,705 USD
View
B+
Retailer 15
-
$2,800 USD
View
B+
Retailer 16
-
$3,157 USD
£2,486 GBP
View
B
Retailer 17
-
$3,546 USD
A$5,456 AUD
View
Most Expensive
B
Do Amore Diamonds
27-6045B7004 · Nov 1
$5,200 USD
View
17 more retailers have this diamond
Prices start from $585 USDSave up to $4,615 USD

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
$585 USD