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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG667458721

Certificate IGI LG667458721

Diamond specifications and retailer prices

From $547 USD
Save $3,263 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,810 USD at Brilliant Earth
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 23 retailers, with prices from $547 to $3,810 at Brilliant Earth, a $3,263 spread on the same certified stone. 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 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $3,810 USD|Low: $432 USD|High: $4,100 USD|Avg: $1,679 USD|-7.1%
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
October 1, 2026
Retailer 5$612 USD
Retailer 11$785 USD
Retailer 7$958 USD
Retailer 3$972 USD
Retailer 9$1,000 USD
Retailer 13$1,051 USD
Retailer 10$1,167 USD
Retailer 12$1,407 USD
Retailer 15$1,584 USD
Retailer 4$1,981 USD
Retailer 6$2,146 USD
Retailer 17$2,201 USD
Retailer 16$2,301 USD
Retailer 8$2,436 USD
Retailer 14$2,865 USD
Retailer 2$3,561 USD
Brilliant Earth$3,810 USD

38 data points across 17 retailers

23 retailers$547 USD to $3,810 USD

A
Cheapest Retailer
-
$547 USD
A
Retailer 2
-
$612 USD
View
A
Retailer 3
-
$613 USD
View
A
Retailer 4
-
$670 USD
View
A
Retailer 5
-
$678 USD
View
A
Retailer 6
-
$785 USD
View
A
Retailer 7
-
$958 USD
€912 EUR
View
A
Retailer 8
-
$972 USD
View
A
Retailer 9
-
$1,000 USD
View
A
Retailer 10
-
$1,054 USD
£830 GBP
View
A
Retailer 11
-
$1,167 USD
View
A
Retailer 12
-
$1,407 USD
View
A
Retailer 13
-
$1,584 USD
A$2,437 AUD
View
A
Retailer 14
-
$1,784 USD
View
B+
Retailer 15
-
$1,981 USD
£1,560 GBP
View
B+
Retailer 16
-
$2,146 USD
SGD 2,900 SGD
View
B+
Retailer 17
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$2,201 USD
View
B+
Retailer 18
-
$2,301 USD
View
B+
Retailer 19
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$2,381 USD
View
B+
Retailer 20
-
$2,436 USD
View
B+
Retailer 21
-
$2,865 USD
£2,256 GBP
View
B
Retailer 22
-
$3,561 USD
A$5,478 AUD
View
Most Expensive
B
Brilliant Earth
14268449A · Oct 1
$3,810 USD
View
22 more retailers have this diamond
Prices start from $547 USDSave up to $3,263 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.

A
1.57ct Marquise
$547 USD