Heart|Natural|IGI

0.50ct D SI1 Heart Natural Diamond

VG • D/SI1 • IGI 706509562

Shape and cutting style on the report: Heart brilliant

Certificate IGI 706509562

Diamond specifications and retailer prices

From £385 GBP
As of November 6, 2026
Save £923 GBP (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,307 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 706509562. Listed at 16 retailers as of November 5, 2026, with prices from £385 to £1,307, a £923 spread on the same certified stone. NZ Jewellers lists it at £1,307. 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

0.50
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 706509562
Dimensions4.91 × 5.41 × 3.23 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
4.91 mm5.41 mm0.50 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 706509562
Side View
Table 58.0%Crown 37°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 59.7%

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 6
Current: £521 GBP|Low: £385 GBP|High: £974 GBP|Avg: £553 GBP|+5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10£385 GBP
Retailer 2£449 GBP
Retailer 11£449 GBP
Retailer 3£465 GBP
Retailer 12£518 GBP
Retailer 4£519 GBP
Retailer 1£521 GBP
Retailer 9£522 GBP
Retailer 8£564 GBP
Retailer 7£575 GBP
Retailer 5£643 GBP
Retailer 6£962 GBP

45 data points across 12 retailers

16 retailers£385 GBP to £1,307 GBP

A
Cheapest Retailer
-
£385 GBP
Final sale: no returns
A
Retailer 2
-
£417 GBP
View
B+
Retailer 3
-
£449 GBP
View
Retailer 4
-
£449 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£481 GBP
View
B+
Retailer 6
-
£515 GBP
View
B+
Retailer 7
-
£519 GBP
View
B+
Retailer 8
-
£521 GBP
View
B+
Retailer 9
-
£522 GBP
View
B+
Retailer 10
-
£564 GBP
View
B+
Retailer 11
-
£575 GBP
View
B
Retailer 12
-
£592 GBP
View
B
Retailer 13
-
£609 GBP
View
B+
Retailer 14
-
£643 GBP
View
B
Retailer 15
-
£962 GBP
View
Most Expensive
B
NZ Jewellers
454e2181-8406-4188-b386-5304f907477d · Nov 5
£1,307 GBP
$1,750 USD
View
15 more retailers have this diamond
Prices start from £385 GBPSave up to £923 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
0.50ct Heart
£385 GBP