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Heart|Lab Grown|IGI

1.10ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG839650057

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839650057

Diamond specifications and retailer prices

From $178 USD
As of October 30, 2026
Save $181 USD (50%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $359 USD at 77 Diamonds · As of October 30, 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 LG839650057 or 839650057. Listed at 2 retailers as of October 30, 2026, with prices from $178 to $359, a $181 spread on the same certified stone. 77 Diamonds lists it at $359. 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 angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839650057
Dimensions6.28 × 7.09 × 4.29 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.28 mm7.09 mm1.10 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839650057
Side View
Table 62.0%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $359 USD|Low: $178 USD|High: $406 USD|Avg: $316 USD|-11.2%
77 Diamonds
Retailer 2
October 30, 2026
Retailer 2$178 USD
77 Diamonds$359 USD

26 data points across 2 retailers

2 retailers$178 USD to $359 USD

A
Cheapest Retailer
-
$178 USD
Final sale: no returns
Most Expensive
B+
77 Diamonds
HSTVSWNPSNAF7 · Oct 30
$359 USD
£283 GBP
View
1 more retailer has this diamond
Prices start from $178 USDSave up to $181 USD

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
$178 USD