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Heart|Lab Grown|IGI

1.25ct F VS1 Heart Lab Grown Diamond

VG • F/VS1 • IGI LG846641812

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846641812

Diamond specifications and retailer prices

From £181 GBP
As of November 4, 2026
Save £680 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £860 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.25ct lab-grown heart diamond

This 1.25ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG846641812 or 846641812. Listed at 17 retailers as of November 4, 2026, with prices from £181 to £860, a £680 spread on the same certified stone. Reve Diamonds lists it at £860. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846641812
Dimensions6.51 × 7.47 × 4.49 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.51 mm7.47 mm1.25 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846641812
Side View
Table 54.0%Crown 37.9°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £207 GBP|Low: £166 GBP|High: £868 GBP|Avg: £396 GBP|-2.5%
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
Retailer 15
Retailer 16
Reve Diamonds
November 5, 2026
Retailer 8£166 GBP
Retailer 4£177 GBP
Retailer 6£177 GBP
Retailer 16£181 GBP
Retailer 1£207 GBP
Retailer 13£300 GBP
Retailer 2£305 GBP
Retailer 9£312 GBP
Retailer 14£343 GBP
Retailer 7£417 GBP
Retailer 12£424 GBP
Retailer 11£455 GBP
Retailer 5£569 GBP
Retailer 3£599 GBP
Retailer 15£698 GBP
Retailer 10£811 GBP
Reve Diamonds£860 GBP

12 data points across 17 retailers

17 retailers£181 GBP to £860 GBP

Retailer 1
-
£166 GBP
Price last confirmed 12 days ago
Retailer 2
-
£177 GBP
View
Price last confirmed 11 days ago
Retailer 3
-
£177 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£181 GBP
View
Final sale: no returns
A
Retailer 5
-
£207 GBP
View
A
Retailer 6
-
£300 GBP
View
A
Retailer 7
-
£305 GBP
View
A
Retailer 8
-
£312 GBP
View
B+
Retailer 9
-
£343 GBP
View
Retailer 10
-
£417 GBP
View
Price last confirmed 10 days ago
B+
Retailer 11
-
£424 GBP
View
B+
Retailer 12
-
£455 GBP
View
Retailer 13
-
£569 GBP
View
Price last confirmed 11 days ago
B
Retailer 14
-
£599 GBP
View
B
Retailer 15
-
£698 GBP
View
B
Retailer 16
-
£811 GBP
View
Most Expensive
B
Reve Diamonds
0AF310A74 · Nov 4
£860 GBP
$1,158 USD
View
16 more retailers have this diamond
Prices start from £181 GBPSave up to £680 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
1.25ct Heart
£181 GBP