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Heart|Lab Grown|IGI

1.34ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG706577738

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG706577738

Diamond specifications and retailer prices

From €158 EUR
As of November 6, 2026
Save €755 EUR (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €912 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.34ct lab-grown heart diamond

This 1.34ct lab-grown heart 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 LG706577738 or 706577738. Listed at 12 retailers as of November 5, 2026, with prices from €158 to €912, a €755 spread on the same certified stone. MOH London lists it at €912. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706577738
Dimensions6.79 × 7.64 × 4.38 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm7.64 mm1.34 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706577738
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 57.3%

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: Nov 6
Current: €912 EUR|Low: €158 EUR|High: €1,406 EUR|Avg: €488 EUR|-0.2%
MOH London
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
November 6, 2026
Retailer 4€158 EUR
Retailer 3€183 EUR
Retailer 10€196 EUR
Retailer 14€218 EUR
Retailer 2€252 EUR
Retailer 8€348 EUR
Retailer 15€348 EUR
Retailer 5€382 EUR
Retailer 11€423 EUR
Retailer 13€424 EUR
Retailer 12€630 EUR
Retailer 9€665 EUR
Retailer 6€896 EUR
MOH London€912 EUR
Retailer 7€1,406 EUR

11 data points across 15 retailers

12 retailers€158 EUR to €912 EUR

A
Cheapest Retailer
-
€158 EUR
A
Retailer 2
-
€183 EUR
View
A
Retailer 3
-
€196 EUR
View
A
Retailer 4
-
€218 EUR
View
A
Retailer 5
-
€252 EUR
View
B+
Retailer 6
-
€348 EUR
View
A
Retailer 7
-
€348 EUR
View
B+
Retailer 8
-
€423 EUR
View
B+
Retailer 9
-
€424 EUR
View
B
Retailer 10
-
€630 EUR
View
B
Retailer 11
-
€665 EUR
View
Most Expensive
B
MOH London
LG706577738 · Nov 5
€912 EUR
£802 GBP
View
11 more retailers have this diamond
Prices start from €158 EURSave up to €755 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 Heart
€158 EUR