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Heart|Natural|IGI

0.82ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 517219530

Shape and cutting style on the report: Heart brilliant

Certificate IGI 517219530

Diamond specifications and retailer prices

From £507 GBP
₹64,669 INR
As of November 1, 2026
Save £1,639 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,146 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.82ct natural heart diamond

This 0.82ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 517219530. Listed at 15 retailers as of October 30, 2026, with prices from £507 to £2,146, a £1,639 spread on the same certified stone. NZ Jewellers lists it at £2,146. 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

0.82
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 517219530
Dimensions5.62 × 6.64 × 3.83 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.62 mm6.64 mm0.82 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 517219530
Side View
Table 58.0%Crown 34.9°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 57.7%

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 1
Current: £2,146 GBP|Low: £506 GBP|High: £2,146 GBP|Avg: £895 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6£507 GBP
Retailer 4£631 GBP
Retailer 7£684 GBP
Retailer 12£684 GBP
Retailer 10£687 GBP
Retailer 3£711 GBP
Retailer 9£790 GBP
Retailer 5£822 GBP
Retailer 2£863 GBP
Retailer 11£1,012 GBP
Retailer 8£1,253 GBP
NZ Jewellers£2,146 GBP

30 data points across 12 retailers

15 retailers£507 GBP to £2,146 GBP

A
Cheapest Retailer
-
£507 GBP
₹64,669 INR
B+
Retailer 2
-
£631 GBP
$846 USD
View
Final sale: no returns
B+
Retailer 3
-
£684 GBP
$917 USD
View
B+
Retailer 4
-
£684 GBP
$917 USD
View
B+
Retailer 5
-
£687 GBP
$920 USD
View
B+
Retailer 6
-
£692 GBP
$927 USD
View
B+
Retailer 7
-
£711 GBP
$952 USD
View
B+
Retailer 8
-
£740 GBP
$991 USD
View
B+
Retailer 9
-
£784 GBP
$1,050 USD
View
B+
Retailer 10
-
£790 GBP
$1,058 USD
View
B+
Retailer 11
-
£822 GBP
View
B+
Retailer 12
-
£863 GBP
View
B+
Retailer 13
-
£1,012 GBP
ZAR 21,909 ZAR
View
B
Retailer 14
-
£1,253 GBP
View
Most Expensive
C
NZ Jewellers
a2aca29b-ef04-4252-bd57-53e7aafe1dc2 · Oct 30
£2,146 GBP
$2,875 USD
View
14 more retailers have this diamond
Prices start from £507 GBPSave up to £1,639 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
0.82ct Heart
£507 GBP