Radiant|Natural|IGI

0.82ct I SI1 Radiant Natural Diamond

VG • I/SI1 • IGI 731562724

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 731562724

Diamond specifications and retailer prices

From £422 GBP
₹53,844 INR
As of November 1, 2026
Save £1,317 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,739 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.82ct natural radiant diamond

This 0.82ct natural radiant 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 731562724. Listed at 15 retailers as of October 30, 2026, with prices from £422 to £1,739, a £1,317 spread on the same certified stone. NZ Jewellers lists it at £1,739. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle31.4°
OriginNatural
Grading LabIGI
CertificateIGI 731562724
Dimensions6.26 × 4.58 × 3.17 mm
L/W Ratio1.37
Culet sizePointed
Top View
6.26 mm4.58 mm0.82 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 731562724
Side View
Table 63.0%Crown 35.3°Girdle: STK-THKPavilion 31.4°Culet: NoneDepth 69.2%

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: £686 GBP|Low: £421 GBP|High: £1,027 GBP|Avg: £717 GBP|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2£422 GBP
Retailer 5£556 GBP
Retailer 1£686 GBP
Retailer 3£699 GBP
Retailer 6£786 GBP
Retailer 7£820 GBP
Retailer 4£1,016 GBP

27 data points across 7 retailers

15 retailers£422 GBP to £1,739 GBP

A
Cheapest Retailer
-
£422 GBP
₹53,844 INR
Retailer 2
-
£537 GBP
$719 USD
View
Price last confirmed 90 days ago
B+
Retailer 3
-
£555 GBP
$743 USD
View
B+
Retailer 4
-
£555 GBP
$743 USD
View
B+
Retailer 5
-
£556 GBP
$745 USD
View
B+
Retailer 6
-
£563 GBP
$755 USD
View
B+
Retailer 7
-
£576 GBP
$772 USD
View
B+
Retailer 8
-
£640 GBP
$857 USD
View
B+
Retailer 9
-
£653 GBP
$875 USD
View
B+
Retailer 10
-
£686 GBP
View
A
Retailer 11
-
£699 GBP
View
A
Retailer 12
-
£786 GBP
€1,003 EUR
View
A
Retailer 13
-
£820 GBP
ZAR 17,752 ZAR
View
B+
Retailer 14
-
£1,016 GBP
View
Most Expensive
B
NZ Jewellers
ca39af03-7679-406d-afb4-08bcd65f38bb · Oct 30
£1,739 GBP
$2,330 USD
View
14 more retailers have this diamond
Prices start from £422 GBPSave up to £1,317 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 Radiant
£422 GBP