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Radiant|Natural|GIA

0.82ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 7458367978

Certificate GIA 7458367978

Diamond specifications and retailer prices

From £1,343 GBP
$1,799 USD
As of November 1, 2026
Save £2,087 GBP (61%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,429 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7458367978. Listed at 21 retailers as of October 30, 2026, with prices from £1,343 to £3,429, a £2,087 spread on the same certified stone. NZ Jewellers lists it at £3,429. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.82
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7458367978
Dimensions6.43 × 4.73 × 3.24 mm
L/W Ratio1.36
Top View
6.43 mm4.73 mm0.82 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7458367978
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,429 GBP|Low: £1,343 GBP|High: £3,429 GBP|Avg: £1,940 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 5£1,343 GBP
Retailer 3£1,362 GBP
Retailer 13£1,486 GBP
Retailer 15£1,486 GBP
Retailer 14£1,555 GBP
Retailer 7£1,584 GBP
Retailer 8£1,590 GBP
Retailer 4£1,685 GBP
Retailer 16£1,714 GBP
Retailer 10£1,800 GBP
Retailer 6£2,017 GBP
Retailer 12£2,048 GBP
Retailer 2£2,068 GBP
Retailer 11£2,443 GBP
Retailer 9£2,874 GBP
NZ Jewellers£3,429 GBP

30 data points across 16 retailers

21 retailers£1,343 GBP to £3,429 GBP

B+
Cheapest Retailer
-
£1,343 GBP
$1,799 USD
B+
Retailer 2
-
£1,362 GBP
$1,825 USD
View
B+
Retailer 3
-
£1,465 GBP
$1,963 USD
View
B+
Retailer 4
-
£1,486 GBP
$1,991 USD
View
B+
Retailer 5
-
£1,486 GBP
$1,991 USD
View
B
Retailer 6
-
£1,532 GBP
$2,053 USD
View
B
Retailer 7
-
£1,555 GBP
$2,083 USD
View
B
Retailer 8
-
£1,584 GBP
$2,122 USD
View
B
Retailer 9
-
£1,590 GBP
$2,130 USD
View
B
Retailer 10
-
£1,679 GBP
$2,250 USD
View
B
Retailer 11
-
£1,679 GBP
$2,250 USD
View
B
Retailer 12
-
£1,685 GBP
$2,258 USD
View
B
Retailer 13
-
£1,714 GBP
$2,297 USD
View
B
Retailer 14
-
£1,739 GBP
$2,330 USD
View
B
Retailer 15
-
£1,800 GBP
View
Retailer 16
-
£2,017 GBP
A$4,158 AUD
View
Price last confirmed 26 days ago
B
Retailer 17
-
£2,048 GBP
€2,614 EUR
View
B
Retailer 18
-
£2,068 GBP
View
B
Retailer 19
-
£2,443 GBP
ZAR 52,883 ZAR
View
B
Retailer 20
-
£2,874 GBP
View
Most Expensive
B
NZ Jewellers
c6cc7e44-60f4-4575-8093-7cb2bc4a239d · Oct 30
£3,429 GBP
$4,595 USD
View
20 more retailers have this diamond
Prices start from £1,343 GBPSave up to £2,087 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.

B+
0.82ct Radiant
£1,343 GBP