Radiant|Natural|IGI

0.83ct I SI1 Radiant Natural Diamond

VG • I/SI1 • IGI 809632134

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

Certificate IGI 809632134

Diamond specifications and retailer prices

From £415 GBP
₹52,894 INR
As of November 1, 2026
Save £1,292 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,706 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.83ct natural radiant diamond

This 0.83ct 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 809632134. Listed at 13 retailers as of October 30, 2026, with prices from £415 to £1,706, a £1,292 spread on the same certified stone. NZ Jewellers lists it at £1,706. 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

0.83
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle33.5°
OriginNatural
Grading LabIGI
CertificateIGI 809632134
Dimensions6.26 × 4.73 × 3.16 mm
L/W Ratio1.32
Top View
6.26 mm4.73 mm0.83 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 809632134
Side View
Table 68.0%Crown 38.1°Girdle: STK-THKPavilion 33.5°CuletDepth 66.8%

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: £673 GBP|Low: £414 GBP|High: £1,008 GBP|Avg: £684 GBP|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2£415 GBP
Retailer 5£545 GBP
Retailer 1£673 GBP
Retailer 3£686 GBP
Retailer 6£772 GBP
Retailer 7£805 GBP
Retailer 4£997 GBP

30 data points across 7 retailers

13 retailers£415 GBP to £1,706 GBP

A
Cheapest Retailer
-
£415 GBP
₹52,894 INR
Retailer 2
-
£514 GBP
$688 USD
View
Price last confirmed 89 days ago
B+
Retailer 3
-
£544 GBP
$729 USD
View
A
Retailer 4
-
£545 GBP
$730 USD
View
B+
Retailer 5
-
£565 GBP
$757 USD
View
B+
Retailer 6
-
£628 GBP
$841 USD
View
B+
Retailer 7
-
£643 GBP
$861 USD
View
B+
Retailer 8
-
£673 GBP
View
A
Retailer 9
-
£686 GBP
View
B+
Retailer 10
-
£772 GBP
€985 EUR
View
B+
Retailer 11
-
£805 GBP
ZAR 17,420 ZAR
View
B+
Retailer 12
-
£997 GBP
View
Most Expensive
B
NZ Jewellers
c87a92ea-a91d-4619-81eb-e2a7ef44d6bc · Oct 30
£1,706 GBP
$2,286 USD
View
12 more retailers have this diamond
Prices start from £415 GBPSave up to £1,292 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
0.83ct Radiant
£415 GBP