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Heart|Lab Grown|IGI

1.10ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG837671345

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837671345

Diamond specifications and retailer prices

From €158 EUR
As of November 6, 2026
Save €158 EUR (50%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €316 EUR at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 LG837671345 or 837671345. Listed at 2 retailers as of November 6, 2026, with prices from €158 to €316, a €158 spread on the same certified stone. 77 Diamonds lists it at €316. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837671345
Dimensions6.25 × 7.18 × 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
6.25 mm7.18 mm1.10 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837671345
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €316 EUR|Low: €158 EUR|High: €365 EUR|Avg: €286 EUR|-13.0%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2€158 EUR
77 Diamonds€316 EUR

39 data points across 2 retailers

2 retailers€158 EUR to €316 EUR

A
Cheapest Retailer
-
€158 EUR
Final sale: no returns
Most Expensive
B+
77 Diamonds
HSTVSM7VRVKXK · Nov 6
€316 EUR
£277 GBP
View
1 more retailer has this diamond
Prices start from €158 EURSave up to €158 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