Heart|Lab Grown|IGI

1.10ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG828679596

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828679596

Diamond specifications and retailer prices

From €156 EUR
$174 USD
As of October 30, 2026
Save €507 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 LG828679596 or 828679596. Listed at 3 retailers as of October 30, 2026, with prices from €156 to €662, a €507 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 angle36.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828679596
Dimensions6.11 × 7.15 × 4.27 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.11 mm7.15 mm1.10 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828679596
Side View
Table 59.0%Crown 36.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.7%

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: €156 EUR|High: €868 EUR|Avg: €400 EUR|-23.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3€156 EUR
Retailer 4€305 EUR
Retailer 2€313 EUR
Retailer 5€315 EUR
Brilliant Earth€662 EUR

39 data points across 5 retailers

3 retailers€156 EUR to €662 EUR

A
Cheapest Retailer
-
€156 EUR
$174 USD
Final sale: no returns
B+
Retailer 2
-
€313 EUR
£275 GBP
View
Most Expensive
B
Brilliant Earth
21224252A · Oct 31
€662 EUR
$740 USD
View
2 more retailers have this diamond
Prices start from €156 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
1.10ct Heart
€156 EUR