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Heart|Lab Grown|IGI

1.10ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG826623067

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG826623067

Diamond specifications and retailer prices

From €158 EUR
$176 USD
As of October 30, 2026
Save €505 EUR (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €662 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.1ct lab-grown heart diamond

This 1.1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826623067 or 826623067. Listed at 3 retailers as of October 30, 2026, with prices from €158 to €662, a €505 spread on the same certified stone. Brilliant Earth lists it at €662. 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

1.10
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826623067
Dimensions6.30 × 7.26 × 4.26 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.30 mm7.26 mm1.10 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826623067
Side View
Table 56.0%Crown 35.2°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 58.7%

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: €662 EUR|Low: €158 EUR|High: €868 EUR|Avg: €402 EUR|-23.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3€158 EUR
Retailer 5€306 EUR
Retailer 4€317 EUR
Retailer 2€318 EUR
Brilliant Earth€662 EUR

39 data points across 5 retailers

3 retailers€158 EUR to €662 EUR

A
Cheapest Retailer
-
€158 EUR
$176 USD
Final sale: no returns
B+
Retailer 2
-
€318 EUR
£280 GBP
View
Most Expensive
B
Brilliant Earth
21229391A · Oct 31
€662 EUR
$740 USD
View
2 more retailers have this diamond
Prices start from €158 EURSave up to €505 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
1.10ct Heart
€158 EUR