Radiant|Natural|GIA

0.80ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 2426519604

Certificate GIA 2426519604

Diamond specifications and retailer prices

From £669 GBP
HK$7,000 HKD
As of November 1, 2026
Save £1,532 GBP (70%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,201 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural radiant diamond

This 0.8ct natural radiant sits in the just-under-one-carat band, graded J 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 2426519604. Listed at 19 retailers as of October 30, 2026, with prices from £669 to £2,201, a £1,532 spread on the same certified stone. NZ Jewellers lists it at £2,201. 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

0.80
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2426519604
Dimensions6.41 × 4.43 × 3.01 mm
L/W Ratio1.45
Top View
6.41 mm4.43 mm0.80 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2426519604
Side View
Table 66.0%CrownGirdlePavilionCulet: NoneDepth 68.0%

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: £2,201 GBP|Low: £669 GBP|High: £2,201 GBP|Avg: £1,078 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
Retailer 17
November 1, 2026
Retailer 6£669 GBP
Retailer 7£785 GBP
Retailer 8£828 GBP
Retailer 3£833 GBP
Retailer 15£902 GBP
Retailer 16£902 GBP
Retailer 14£937 GBP
Retailer 4£941 GBP
Retailer 5£996 GBP
Retailer 9£1,003 GBP
Retailer 11£1,030 GBP
Retailer 17£1,041 GBP
Retailer 2£1,138 GBP
Retailer 12£1,262 GBP
Retailer 13£1,335 GBP
Retailer 10£1,653 GBP
NZ Jewellers£2,201 GBP

26 data points across 17 retailers

19 retailers£669 GBP to £2,201 GBP

A
Cheapest Retailer
-
£669 GBP
HK$7,000 HKD
B+
Retailer 2
-
£828 GBP
$1,110 USD
View
B+
Retailer 3
-
£833 GBP
$1,116 USD
View
Final sale: no returns
B+
Retailer 4
-
£865 GBP
$1,159 USD
View
B+
Retailer 5
-
£902 GBP
$1,209 USD
View
B+
Retailer 6
-
£902 GBP
$1,209 USD
View
B+
Retailer 7
-
£933 GBP
SGD 1,689 SGD
View
B+
Retailer 8
-
£937 GBP
$1,256 USD
View
B+
Retailer 9
-
£941 GBP
$1,261 USD
View
B+
Retailer 10
-
£996 GBP
$1,335 USD
View
B
Retailer 11
-
£1,003 GBP
$1,344 USD
View
B
Retailer 12
-
£1,030 GBP
View
B
Retailer 13
-
£1,041 GBP
$1,395 USD
View
B+
Retailer 14
-
£1,138 GBP
View
B
Retailer 15
-
£1,142 GBP
$1,531 USD
View
B
Retailer 16
-
£1,262 GBP
€1,611 EUR
View
B
Retailer 17
-
£1,335 GBP
ZAR 28,892 ZAR
View
B
Retailer 18
-
£1,653 GBP
View
Most Expensive
B
NZ Jewellers
adebee80-091a-4016-97bf-ebdc241404ca · Oct 30
£2,201 GBP
$2,949 USD
View
18 more retailers have this diamond
Prices start from £669 GBPSave up to £1,532 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
0.80ct Radiant
£669 GBP