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Heart|Natural|IGI

0.51ct J VVS1 Heart Natural Diamond

VG • J/VVS1 • IGI 815656492

Shape and cutting style on the report: Heart brilliant

Certificate IGI 815656492

Diamond specifications and retailer prices

From £395 GBP
$530 USD
As of November 1, 2026
Save £847 GBP (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,242 GBP at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 815656492. Listed at 14 retailers as of October 30, 2026, with prices from £395 to £1,242, a £847 spread on the same certified stone. NZ Jewellers lists it at £1,242. 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
J
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 815656492
Dimensions4.87 × 5.50 × 3.25 mm
L/W Ratio1.13
Girdle conditionFaceted
Top View
4.87 mm5.50 mm0.51 ctJ / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815656492
Side View
Table 62.0%Crown 36.2°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,242 GBP|Low: £395 GBP|High: £1,264 GBP|Avg: £571 GBP|-1.7%
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 2, 2026
Retailer 9£395 GBP
Retailer 12£398 GBP
Retailer 2£426 GBP
Retailer 5£427 GBP
Retailer 14£456 GBP
Retailer 8£469 GBP
Retailer 7£485 GBP
Retailer 11£501 GBP
Retailer 13£531 GBP
Retailer 3£544 GBP
Retailer 6£605 GBP
Retailer 4£612 GBP
Retailer 10£912 GBP
NZ Jewellers£1,242 GBP

20 data points across 14 retailers

14 retailers£395 GBP to £1,242 GBP

A
Cheapest Retailer
-
£395 GBP
$530 USD
A
Retailer 2
-
£398 GBP
SGD 722 SGD
View
A
Retailer 3
-
£426 GBP
$571 USD
View
A
Retailer 4
-
£427 GBP
$573 USD
View
B+
Retailer 5
-
£456 GBP
$612 USD
View
B+
Retailer 6
-
£469 GBP
View
B+
Retailer 7
-
£485 GBP
View
B+
Retailer 8
-
£501 GBP
$672 USD
View
B+
Retailer 9
-
£531 GBP
€679 EUR
View
B
Retailer 10
-
£544 GBP
$730 USD
View
B+
Retailer 11
-
£605 GBP
$812 USD
View
B+
Retailer 12
-
£612 GBP
ZAR 13,258 ZAR
View
B
Retailer 13
-
£912 GBP
View
Most Expensive
B
NZ Jewellers
a2b82364-24b2-4eb6-985f-253990d6c65e · Oct 30
£1,242 GBP
$1,667 USD
View
13 more retailers have this diamond
Prices start from £395 GBPSave up to £847 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
£395 GBP