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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG806625194

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG806625194

Diamond specifications and retailer prices

From £190 GBP
As of November 4, 2026
Save £827 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,016 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG806625194 or 806625194. Listed at 20 retailers as of November 4, 2026, with prices from £190 to £1,016, a £827 spread on the same certified stone. Reve Diamonds lists it at £1,016. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806625194
Dimensions7.07 × 5.97 × 4.08 mm
L/W Ratio1.18
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
7.07 mm5.97 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806625194
Side View
Table 63.0%Crown 36.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 57.7%

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 4
Current: £441 GBP|Low: £190 GBP|High: £1,259 GBP|Avg: £477 GBP|-20.3%
Retailer 1
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Retailer 19
Reve Diamonds
November 5, 2026
Retailer 2£190 GBP
Retailer 7£212 GBP
Retailer 19£220 GBP
Retailer 3£235 GBP
Retailer 16£235 GBP
Retailer 12£241 GBP
Retailer 10£265 GBP
Retailer 8£317 GBP
Retailer 17£352 GBP
Retailer 14£406 GBP
Retailer 4£414 GBP
Retailer 5£415 GBP
Retailer 1£441 GBP
Retailer 13£576 GBP
Retailer 11£631 GBP
Retailer 9£722 GBP
Retailer 18£756 GBP
Retailer 6£793 GBP
Retailer 15£942 GBP
Reve Diamonds£1,016 GBP

31 data points across 20 retailers

20 retailers£190 GBP to £1,016 GBP

A
Cheapest Retailer
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£190 GBP
A
Retailer 2
-
£212 GBP
View
Final sale: no returns
A
Retailer 3
-
£220 GBP
View
A
Retailer 4
-
£235 GBP
View
Retailer 5
-
£235 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
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£241 GBP
View
A
Retailer 7
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£265 GBP
View
A
Retailer 8
-
£317 GBP
View
A
Retailer 9
-
£352 GBP
View
A
Retailer 10
-
£406 GBP
View
A
Retailer 11
-
£414 GBP
View
A
Retailer 12
-
£415 GBP
View
B+
Retailer 13
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£441 GBP
View
B+
Retailer 14
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£576 GBP
View
B+
Retailer 15
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£631 GBP
View
B+
Retailer 16
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£722 GBP
View
B+
Retailer 17
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£756 GBP
View
B
Retailer 18
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£793 GBP
View
B
Retailer 19
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£942 GBP
View
Most Expensive
B
Reve Diamonds
F76D90498 · Nov 4
£1,016 GBP
$1,372 USD
View
19 more retailers have this diamond
Prices start from £190 GBPSave up to £827 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
1.00ct Heart
£190 GBP