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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 €1,054 EUR
As of October 27, 2026
Save €3,020 EUR (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €4,075 EUR 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 €1,054 to €4,075, a €3,020 spread on the same certified stone. Brilliant Earth lists it at €4,075. 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
Colour
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

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A
Excellent
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 27
Current: €4,075 EUR|Low: €446 EUR|High: €4,075 EUR|Avg: €1,434 EUR|+23.8%
Brilliant Earth
Retailer 2
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Retailer 22
October 27, 2026
Retailer 7€471 EUR
Retailer 11€499 EUR
Retailer 20€527 EUR
Retailer 14€552 EUR
Retailer 5€584 EUR
Retailer 8€834 EUR
Retailer 12€847 EUR
Retailer 13€848 EUR
Retailer 17€892 EUR
Retailer 18€1,034 EUR
Retailer 2€1,054 EUR
Retailer 9€1,296 EUR
Retailer 6€1,306 EUR
Retailer 3€1,535 EUR
Retailer 19€1,698 EUR
Retailer 4€1,846 EUR
Retailer 21€1,897 EUR
Retailer 16€1,997 EUR
Retailer 22€2,165 EUR
Retailer 10€2,318 EUR
Retailer 15€3,175 EUR
Brilliant Earth€4,075 EUR

31 data points across 22 retailers

22 retailers€1,054 EUR to €4,075 EUR

Retailer 1
-
€471 EUR
$528 USD
Price last confirmed 12 days ago
Retailer 2
-
€499 EUR
$560 USD
View
Price last confirmed 12 days ago
Retailer 3
-
€552 EUR
$619 USD
View
Price last confirmed 17 days ago
Retailer 4
-
€584 EUR
$655 USD
View
Price last confirmed 11 days ago
Retailer 5
-
€834 EUR
$935 USD
View
Price last confirmed 10 days ago
Retailer 6
-
€847 EUR
$950 USD
View
Price last confirmed 10 days ago
Retailer 7
-
€848 EUR
$951 USD
View
Price last confirmed 9 days ago
Retailer 8
-
€892 EUR
£788 GBP
View
Price last confirmed 10 days ago
Retailer 9
-
€1,034 EUR
$1,160 USD
View
Price last confirmed 9 days ago
A
Retailer 10
-
€1,054 EUR
View
Retailer 11
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€1,296 EUR
A$2,236 AUD
View
Price last confirmed 13 days ago
Retailer 12
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€1,306 EUR
$1,465 USD
View
Price last confirmed 10 days ago
Retailer 13
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€1,535 EUR
$1,722 USD
View
Price last confirmed 11 days ago
Retailer 14
-
€1,698 EUR
£1,500 GBP
View
Price last confirmed 11 days ago
Retailer 15
-
€1,846 EUR
SGD 2,798 SGD
View
Price last confirmed 10 days ago
Retailer 16
-
€1,897 EUR
$2,128 USD
View
Price last confirmed 11 days ago
Retailer 17
-
€1,946 EUR
$2,183 USD
View
Price last confirmed 11 days ago
Retailer 18
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€1,997 EUR
$2,240 USD
View
Price last confirmed 10 days ago
Retailer 19
-
€2,165 EUR
$2,428 USD
View
Price last confirmed 11 days ago
Retailer 20
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€2,318 EUR
£2,047 GBP
View
Price last confirmed 14 days ago
Retailer 21
-
€3,175 EUR
A$5,478 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
18032155A · Oct 26
€4,075 EUR
$4,570 USD
View
21 more retailers have this diamond
Prices start from €1,054 EURSave up to €3,020 EUR

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
€1,054 EUR