Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG847678795

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847678795

Diamond specifications and retailer prices

From €538 EUR
HK$4,700 HKD
As of October 31, 2026
Save €1,055 EUR (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,594 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG847678795 or 847678795. Listed at 7 retailers as of October 31, 2026, with prices from €538 to €1,594, a €1,055 spread on the same certified stone. Taylor and Hart lists it at €1,594. 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 angle33.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847678795
Dimensions11.87 × 5.95 × 3.65 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.87 mm5.95 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847678795
Side View
Table 65.0%Crown 33.8°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
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 31
Current: €804 EUR|Low: €538 EUR|High: €1,594 EUR|Avg: €1,010 EUR|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
November 1, 2026
Retailer 6€538 EUR
Retailer 2€700 EUR
Retailer 3€765 EUR
Retailer 1€804 EUR
Retailer 4€952 EUR
Retailer 5€1,581 EUR
Taylor and Hart€1,594 EUR

4 data points across 7 retailers

7 retailers€538 EUR to €1,594 EUR

A
Cheapest Retailer
-
€538 EUR
HK$4,700 HKD
A
Retailer 2
-
€700 EUR
$782 USD
View
A
Retailer 3
-
€765 EUR
$855 USD
View
A
Retailer 4
-
€804 EUR
£707 GBP
View
A
Retailer 5
-
€952 EUR
$1,064 USD
View
B+
Retailer 6
-
€1,581 EUR
$1,766 USD
View
Most Expensive
B+
Taylor and Hart
EX8MJOS · Oct 31
€1,594 EUR
$1,781 USD
View
6 more retailers have this diamond
Prices start from €538 EURSave up to €1,055 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
€538 EUR