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Heart|Natural|IGI

0.51ct K VVS1 Heart Natural Diamond

VG • K/VVS1 • IGI 815656546

Shape and cutting style on the report: Heart brilliant

Certificate IGI 815656546

Diamond specifications and retailer prices

From £371 GBP
As of November 5, 2026
Save £983 GBP (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,355 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 815656546. Listed at 14 retailers as of November 5, 2026, with prices from £371 to £1,355, a £983 spread on the same certified stone. NZ Jewellers lists it at £1,355. 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

0.51
Carat
K
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 815656546
Dimensions4.85 × 5.52 × 3.28 mm
L/W Ratio1.14
Girdle conditionFaceted
Top View
4.85 mm5.52 mm0.51 ctK / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 815656546
Side View
Table 62.0%Crown 36.6°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 59.4%

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: Nov 5
Current: £1,355 GBP|Low: £371 GBP|High: £1,384 GBP|Avg: £618 GBP|-2.2%
NZ Jewellers
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
November 6, 2026
Retailer 11£371 GBP
Retailer 12£432 GBP
Retailer 3£466 GBP
Retailer 6£470 GBP
Retailer 13£489 GBP
Retailer 10£498 GBP
Retailer 7£527 GBP
Retailer 5£534 GBP
Retailer 9£575 GBP
Retailer 8£579 GBP
Retailer 2£651 GBP
Retailer 14£668 GBP
Retailer 4£1,000 GBP
NZ Jewellers£1,355 GBP

20 data points across 14 retailers

14 retailers£371 GBP to £1,355 GBP

A
Cheapest Retailer
-
£371 GBP
B+
Retailer 2
-
£432 GBP
View
B+
Retailer 3
-
£466 GBP
View
Retailer 4
-
£470 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£489 GBP
View
B+
Retailer 6
-
£498 GBP
View
B+
Retailer 7
-
£527 GBP
View
B+
Retailer 8
-
£534 GBP
View
B
Retailer 9
-
£575 GBP
View
B
Retailer 10
-
£579 GBP
View
B
Retailer 11
-
£651 GBP
View
B
Retailer 12
-
£668 GBP
View
B
Retailer 13
-
£1,000 GBP
View
Most Expensive
B
NZ Jewellers
ded4e909-7d96-476c-a6dc-e9de723693ce · Nov 5
£1,355 GBP
$1,813 USD
View
13 more retailers have this diamond
Prices start from £371 GBPSave up to £983 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
0.51ct Heart
£371 GBP