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Marquise|Lab Grown|IGI

1.34ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG600315833

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG600315833

Diamond specifications and retailer prices

From €164 EUR
$183 USD
As of October 30, 2026
Save €1,412 EUR (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,575 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.34ct lab-grown marquise diamond

This 1.34ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG600315833 or 600315833. Listed at 9 retailers as of October 30, 2026, with prices from €164 to €1,575, a €1,412 spread on the same certified stone. Do Amore Diamonds lists it at €1,575. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.34
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600315833
Dimensions11.29 × 5.85 × 3.63 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.29 mm5.85 mm1.34 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600315833
Side View
Table 59.0%Crown 35.5°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 62.1%

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 30
Current: €1,575 EUR|Low: €158 EUR|High: €1,575 EUR|Avg: €882 EUR|+2.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 5€164 EUR
Retailer 6€357 EUR
Retailer 4€690 EUR
Retailer 7€715 EUR
Retailer 2€868 EUR
Retailer 3€1,054 EUR
Do Amore Diamonds€1,575 EUR

17 data points across 7 retailers

9 retailers€164 EUR to €1,575 EUR

A
Cheapest Retailer
-
€164 EUR
$183 USD
A
Retailer 2
-
€190 EUR
$212 USD
View
B+
Retailer 3
-
€357 EUR
$399 USD
View
B
Retailer 4
-
€690 EUR
$771 USD
View
B
Retailer 5
-
€715 EUR
$799 USD
View
B
Retailer 6
-
€721 EUR
$805 USD
View
B
Retailer 7
-
€868 EUR
$970 USD
View
B
Retailer 8
-
€1,054 EUR
£927 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E8EDDDEC0 · Oct 31
€1,575 EUR
$1,760 USD
View
8 more retailers have this diamond
Prices start from €164 EURSave up to €1,412 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
1.34ct Marquise
€164 EUR