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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG790630196

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790630196

Diamond specifications and retailer prices

From €573 EUR
$638 USD
As of October 29, 2026
Save €3,532 EUR (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,105 EUR at Brilliant Earth · As of October 28, 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 LG790630196 or 790630196. Listed at 18 retailers as of October 28, 2026, with prices from €573 to €4,105, a €3,532 spread on the same certified stone. Brilliant Earth lists it at €4,105. 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 angle33.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790630196
Dimensions12.02 × 5.95 × 3.71 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.02 mm5.95 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790630196
Side View
Table 58.0%Crown 33.8°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 62.4%

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 29
Current: €1,097 EUR|Low: €573 EUR|High: €2,886 EUR|Avg: €1,465 EUR|+1.1%
Retailer 1
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
October 29, 2026
Retailer 10€573 EUR
Retailer 9€755 EUR
Retailer 15€855 EUR
Retailer 6€902 EUR
Retailer 16€991 EUR
Retailer 2€1,055 EUR
Retailer 1€1,097 EUR
Retailer 13€1,097 EUR
Retailer 8€1,514 EUR
Retailer 7€1,591 EUR
Retailer 5€1,862 EUR
Retailer 12€1,932 EUR
Retailer 11€2,011 EUR
Retailer 3€2,068 EUR
Retailer 14€2,108 EUR
Retailer 4€2,786 EUR

20 data points across 16 retailers

18 retailers€573 EUR to €4,105 EUR

A+
Cheapest Retailer
-
€573 EUR
$638 USD
Final sale: no returns
A
Retailer 2
-
€755 EUR
$840 USD
View
A
Retailer 3
-
€855 EUR
$952 USD
View
A
Retailer 4
-
€902 EUR
$1,004 USD
View
A
Retailer 5
-
€991 EUR
£868 GBP
View
A
Retailer 6
-
€1,055 EUR
$1,175 USD
View
A
Retailer 7
-
€1,097 EUR
View
A
Retailer 8
-
€1,097 EUR
ZAR 19,729 ZAR
View
B+
Retailer 9
-
€1,514 EUR
A$2,593 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€1,591 EUR
$1,771 USD
View
B+
Retailer 11
-
€1,862 EUR
£1,632 GBP
View
B+
Retailer 12
-
€1,932 EUR
$2,151 USD
View
B+
Retailer 13
-
€2,011 EUR
SGD 3,026 SGD
View
B+
Retailer 14
-
€2,068 EUR
$2,302 USD
View
B+
Retailer 15
-
€2,108 EUR
$2,347 USD
View
B+
Retailer 16
-
€2,786 EUR
£2,442 GBP
View
B
Retailer 17
-
€3,205 EUR
A$5,489 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
19055469A · Oct 28
€4,105 EUR
$4,570 USD
View
17 more retailers have this diamond
Prices start from €573 EURSave up to €3,532 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
€573 EUR