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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
$176 USD
As of October 30, 2026
Save €507 EUR (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €664 EUR at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

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 11 retailers as of October 30, 2026, with prices from €158 to €664, a €507 spread on the same certified stone. Friendly Diamonds lists it at €664. 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 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

How it works →
A
Excellent
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 30
Current: €664 EUR|Low: €158 EUR|High: €1,405 EUR|Avg: €475 EUR
Friendly 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
October 31, 2026
Retailer 3€158 EUR
Retailer 14€183 EUR
Retailer 8€196 EUR
Retailer 12€218 EUR
Retailer 7€254 EUR
Retailer 13€347 EUR
Retailer 2€351 EUR
Retailer 4€383 EUR
Retailer 9€422 EUR
Retailer 11€423 EUR
Retailer 10€629 EUR
Friendly Diamonds€664 EUR
Retailer 5€896 EUR
Retailer 6€1,405 EUR

5 data points across 14 retailers

11 retailers€158 EUR to €664 EUR

A
Cheapest Retailer
-
€158 EUR
$176 USD
A
Retailer 2
-
€183 EUR
$204 USD
View
A
Retailer 3
-
€196 EUR
$219 USD
View
A
Retailer 4
-
€218 EUR
HK$1,900 HKD
View
A
Retailer 5
-
€254 EUR
£224 GBP
View
B+
Retailer 6
-
€347 EUR
$388 USD
View
A
Retailer 7
-
€351 EUR
£309 GBP
View
B+
Retailer 8
-
€422 EUR
$472 USD
View
B+
Retailer 9
-
€423 EUR
$473 USD
View
B
Retailer 10
-
€629 EUR
$703 USD
View
Most Expensive
B
Friendly Diamonds
6557920 · Oct 31
€664 EUR
$742 USD
View
10 more retailers have this diamond
Prices start from €158 EURSave up to €507 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