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Heart|Lab Grown|IGI

1.10ct F IF Heart Lab Grown Diamond

EX • F/IF • IGI LG839608658

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839608658

Diamond specifications and retailer prices

From £203 GBP
$272 USD
As of November 1, 2026
Save £242 GBP (54%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £445 GBP at 77 Diamonds · As of November 2, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839608658 or 839608658. Listed at 2 retailers as of November 1, 2026, with prices from £203 to £445, a £242 spread on the same certified stone. 77 Diamonds lists it at £445. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.10
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608658
Dimensions6.42 × 7.13 × 4.22 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.42 mm7.13 mm1.10 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608658
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 59.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £445 GBP|Low: £203 GBP|High: £485 GBP|Avg: £392 GBP|-4.2%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2£203 GBP
77 Diamonds£445 GBP

33 data points across 2 retailers

2 retailers£203 GBP to £445 GBP

A
Cheapest Retailer
-
£203 GBP
$272 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
HSTVSCSNCMVEQ · Nov 2
£445 GBP
View
1 more retailer has this diamond
Prices start from £203 GBPSave up to £242 GBP

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
£203 GBP