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Heart|Lab Grown|IGI

0.80ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG541275839

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG541275839

Diamond specifications and retailer prices

From £133 GBP
$179 USD
As of November 2, 2026
Save £707 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £840 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 0.8ct lab-grown heart diamond

This 0.8ct lab-grown heart sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG541275839 or 541275839. Listed at 16 retailers as of November 1, 2026, with prices from £133 to £840, a £707 spread on the same certified stone. Reve Diamonds lists it at £840. 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

0.80
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541275839
Dimensions6.44 × 5.45 × 3.83 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.44 mm5.45 mm0.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541275839
Side View
Table 62.0%Crown 39.2°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 59.5%

Caratlytics Score

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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: Nov 2
Current: £298 GBP|Low: £128 GBP|High: £784 GBP|Avg: £315 GBP|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9£133 GBP
Retailer 4£149 GBP
Retailer 13£155 GBP
Retailer 2£165 GBP
Retailer 10£165 GBP
Retailer 5£200 GBP
Retailer 12£293 GBP
Retailer 1£298 GBP
Retailer 7£335 GBP
Retailer 3£338 GBP
Retailer 11£532 GBP
Retailer 8£563 GBP
Retailer 6£774 GBP

43 data points across 13 retailers

16 retailers£133 GBP to £840 GBP

A
Cheapest Retailer
-
£133 GBP
$179 USD
A
Retailer 2
-
£149 GBP
$200 USD
View
Final sale: no returns
A
Retailer 3
-
£155 GBP
$208 USD
View
A
Retailer 4
-
£165 GBP
$222 USD
View
Retailer 5
-
£165 GBP
$222 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£200 GBP
$269 USD
View
B+
Retailer 7
-
£293 GBP
$393 USD
View
B+
Retailer 8
-
£298 GBP
View
B+
Retailer 9
-
£335 GBP
$450 USD
View
B+
Retailer 10
-
£338 GBP
$453 USD
View
B
Retailer 11
-
£448 GBP
HK$4,700 HKD
View
B
Retailer 12
-
£532 GBP
$714 USD
View
B
Retailer 13
-
£563 GBP
$755 USD
View
B
Retailer 14
-
£573 GBP
$769 USD
View
B
Retailer 15
-
£774 GBP
View
Most Expensive
B
Reve Diamonds
D5599CBC3 · Nov 1
£840 GBP
$1,127 USD
View
15 more retailers have this diamond
Prices start from £133 GBPSave up to £707 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
0.80ct Heart
£133 GBP