Heart|Lab Grown|IGI

1.02ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG840611280

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840611280

Diamond specifications and retailer prices

From £239 GBP
As of October 29, 2026
Save £267 GBP (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £802 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.02ct lab-grown heart diamond

This 1.02ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840611280 or 840611280. Listed at 14 retailers as of October 29, 2026, with a 112% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840611280
Dimensions6.83 × 6.04 × 4.22 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
6.83 mm6.04 mm1.02 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840611280
Side View
Table 66.0%Crown 39.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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 29
Current: £373 GBP|Low: £130 GBP|High: £802 GBP|Avg: £381 GBP|-27.5%
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
Retailer 14
Reve Diamonds
October 31, 2026
Retailer 12£130 GBP
Retailer 13£174 GBP
Retailer 6£206 GBP
Retailer 8£239 GBP
Retailer 9£253 GBP
Retailer 2£260 GBP
Retailer 14£287 GBP
Retailer 4£369 GBP
Retailer 1£373 GBP
Retailer 3£429 GBP
Retailer 11£468 GBP
Retailer 7£504 GBP
Retailer 10£506 GBP
Retailer 5£713 GBP
Reve Diamonds£802 GBP

17 data points across 15 retailers

14 retailers£239 GBP to £506 GBP

Retailer 1
-
£174 GBP
Price last confirmed 7 days ago
Retailer 2
-
£206 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£239 GBP
View
A
Retailer 4
-
£253 GBP
View
Retailer 5
-
£260 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
£287 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£369 GBP
View
Price last confirmed 10 days ago
B+
Retailer 8
-
£373 GBP
View
Retailer 9
-
£429 GBP
View
Price last confirmed 9 days ago
B
Retailer 10
-
£468 GBP
View
B
Retailer 11
-
£504 GBP
View
B
Retailer 12
-
£506 GBP
View
Retailer 13
-
£713 GBP
View
Price last confirmed 17 days ago
Most Expensive
Reve Diamonds
FB839660E · Oct 28
£802 GBP
$1,082 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from £239 GBPSave up to £267 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
1.02ct Heart
£239 GBP