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Heart|Lab Grown|IGI

1.03ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG764620397

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG764620397

Diamond specifications and retailer prices

From £127 GBP
As of November 4, 2026
Save £689 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £816 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 LG764620397 or 764620397. Listed at 20 retailers as of November 4, 2026, with prices from £127 to £816, a £689 spread on the same certified stone. Reve Diamonds lists it at £816. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764620397
Dimensions6.16 × 7.00 × 4.16 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
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
6.16 mm7.00 mm1.03 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764620397
Side View
Table 61.0%Crown 34°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 59.4%

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: £277 GBP|Low: £127 GBP|High: £871 GBP|Avg: £320 GBP|-15.8%
Retailer 1
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Retailer 19
Reve Diamonds
November 5, 2026
Retailer 2£127 GBP
Retailer 8£141 GBP
Retailer 19£147 GBP
Retailer 3£157 GBP
Retailer 16£157 GBP
Retailer 11£180 GBP
Retailer 12£209 GBP
Retailer 10£213 GBP
Retailer 4£260 GBP
Retailer 14£271 GBP
Retailer 1£277 GBP
Retailer 18£298 GBP
Retailer 6£336 GBP
Retailer 13£383 GBP
Retailer 5£430 GBP
Retailer 17£505 GBP
Retailer 9£533 GBP
Retailer 7£545 GBP
Retailer 15£734 GBP
Reve Diamonds£816 GBP

36 data points across 20 retailers

20 retailers£127 GBP to £816 GBP

A
Cheapest Retailer
-
£127 GBP
A
Retailer 2
-
£141 GBP
View
Final sale: no returns
A
Retailer 3
-
£147 GBP
View
A
Retailer 4
-
£157 GBP
View
Retailer 5
-
£157 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£180 GBP
View
A
Retailer 7
-
£209 GBP
View
B+
Retailer 8
-
£213 GBP
View
A
Retailer 9
-
£260 GBP
View
A
Retailer 10
-
£271 GBP
View
A
Retailer 11
-
£277 GBP
View
B+
Retailer 12
-
£298 GBP
View
B+
Retailer 13
-
£336 GBP
View
B+
Retailer 14
-
£383 GBP
View
B+
Retailer 15
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£430 GBP
View
B
Retailer 16
-
£505 GBP
View
B
Retailer 17
-
£533 GBP
View
B
Retailer 18
-
£545 GBP
View
B
Retailer 19
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£734 GBP
View
Most Expensive
B
Reve Diamonds
03B44D2DE · Nov 4
£816 GBP
$1,101 USD
View
19 more retailers have this diamond
Prices start from £127 GBPSave up to £689 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
£127 GBP