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Heart|Lab Grown|IGI

1.03ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG811639735

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811639735

Diamond specifications and retailer prices

From £124 GBP
As of November 4, 2026
Save £684 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £808 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811639735 or 811639735. Listed at 21 retailers as of November 4, 2026, with prices from £124 to £808, a £684 spread on the same certified stone. Reve Diamonds lists it at £808. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811639735
Dimensions6.08 × 7.00 × 4.12 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
6.08 mm7.00 mm1.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811639735
Side View
Table 61.0%Crown 34.2°Girdle: Slightly ThickPavilion 39.3°Culet: NoneDepth 58.9%

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: £270 GBP|Low: £123 GBP|High: £808 GBP|Avg: £349 GBP|-2.2%
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Reve Diamonds
November 5, 2026
Retailer 5£124 GBP
Retailer 3£139 GBP
Retailer 18£144 GBP
Retailer 11£153 GBP
Retailer 2£154 GBP
Retailer 14£205 GBP
Retailer 17£209 GBP
Retailer 20£259 GBP
Retailer 7£264 GBP
Retailer 1£270 GBP
Retailer 9£290 GBP
Retailer 13£333 GBP
Retailer 8£355 GBP
Retailer 6£373 GBP
Retailer 16£423 GBP
Retailer 10£492 GBP
Retailer 15£496 GBP
Retailer 19£524 GBP
Retailer 4£536 GBP
Retailer 12£719 GBP
Reve Diamonds£808 GBP

29 data points across 21 retailers

21 retailers£124 GBP to £808 GBP

A
Cheapest Retailer
-
£124 GBP
A
Retailer 2
-
£139 GBP
View
Final sale: no returns
A
Retailer 3
-
£144 GBP
View
Retailer 4
-
£153 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£154 GBP
View
A
Retailer 6
-
£205 GBP
View
B+
Retailer 7
-
£209 GBP
View
A
Retailer 8
-
£259 GBP
View
A
Retailer 9
-
£264 GBP
View
A
Retailer 10
-
£270 GBP
View
B+
Retailer 11
-
£290 GBP
View
B+
Retailer 12
-
£333 GBP
View
B+
Retailer 13
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£355 GBP
View
B+
Retailer 14
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£373 GBP
View
B+
Retailer 15
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£423 GBP
View
Retailer 16
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£492 GBP
View
Price last confirmed 8 days ago
B
Retailer 17
-
£496 GBP
View
B+
Retailer 18
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£524 GBP
View
B
Retailer 19
-
£536 GBP
View
B
Retailer 20
-
£719 GBP
View
Most Expensive
B
Reve Diamonds
72A9ACD33 · Nov 4
£808 GBP
$1,091 USD
View
20 more retailers have this diamond
Prices start from £124 GBPSave up to £684 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
1.03ct Heart
£124 GBP