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Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG815626977

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815626977

Diamond specifications and retailer prices

From €383 EUR
$428 USD
As of October 27, 2026
Save €3,018 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,401 EUR at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815626977 or 815626977. Listed at 15 retailers as of October 27, 2026, with prices from €383 to €3,401, a €3,018 spread on the same certified stone. Do Amore Diamonds lists it at €3,401. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815626977
Dimensions12.16 × 5.88 × 3.65 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.16 mm5.88 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815626977
Side View
Table 62.0%Crown 34.5°Girdle: Slightly ThickPavilion 39.8°Culet: NoneDepth 62.1%

Caratlytics Score

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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 27
Current: €3,401 EUR|Low: €383 EUR|High: €5,254 EUR|Avg: €1,714 EUR|-35.3%
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
October 29, 2026
Retailer 16€383 EUR
Retailer 11€429 EUR
Retailer 15€448 EUR
Retailer 9€568 EUR
Retailer 5€616 EUR
Retailer 4€639 EUR
Retailer 2€778 EUR
Retailer 14€1,216 EUR
Retailer 12€1,231 EUR
Retailer 7€1,406 EUR
Retailer 13€1,685 EUR
Retailer 6€1,832 EUR
Retailer 10€1,929 EUR
Retailer 3€2,001 EUR
Retailer 8€2,658 EUR
Do Amore Diamonds€3,401 EUR

32 data points across 16 retailers

15 retailers€383 EUR to €3,401 EUR

A
Cheapest Retailer
-
€383 EUR
$428 USD
Retailer 2
-
€429 EUR
$479 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€568 EUR
$635 USD
View
A
Retailer 4
-
€616 EUR
$689 USD
View
A
Retailer 5
-
€639 EUR
$714 USD
View
A
Retailer 6
-
€778 EUR
View
A
Retailer 7
-
€1,216 EUR
$1,359 USD
View
Retailer 8
-
€1,231 EUR
A$2,115 AUD
View
Price last confirmed 11 days ago
A
Retailer 9
-
€1,406 EUR
$1,571 USD
View
B+
Retailer 10
-
€1,685 EUR
$1,883 USD
View
B+
Retailer 11
-
€1,832 EUR
$2,047 USD
View
B+
Retailer 12
-
€1,929 EUR
£1,697 GBP
View
B+
Retailer 13
-
€2,001 EUR
$2,235 USD
View
B
Retailer 14
-
€2,658 EUR
$2,970 USD
View
Most Expensive
B
Do Amore Diamonds
27-C656D2C57 · Oct 28
€3,401 EUR
$3,800 USD
View
14 more retailers have this diamond
Prices start from €383 EURSave up to €3,018 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
1.51ct Marquise
€383 EUR