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Radiant|Natural|GIA

0.80ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 2426519604

Certificate GIA 2426519604

Diamond specifications and retailer prices

From $1,279 AUD
HK$7,000 HKD
As of November 1, 2026
Save $2,929 AUD (70%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,208 AUD 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 $1,279 to $4,208, a $2,929 spread on the same certified stone. NZ Jewellers lists it at $4,208. 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: $4,208 AUD|Low: $1,279 AUD|High: $4,208 AUD|Avg: $2,062 AUD
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 2, 2026
Retailer 6$1,279 AUD
Retailer 7$1,501 AUD
Retailer 8$1,584 AUD
Retailer 3$1,592 AUD
Retailer 15$1,725 AUD
Retailer 16$1,725 AUD
Retailer 14$1,792 AUD
Retailer 4$1,799 AUD
Retailer 5$1,905 AUD
Retailer 9$1,917 AUD
Retailer 11$1,969 AUD
Retailer 17$1,991 AUD
Retailer 2$2,175 AUD
Retailer 10$2,412 AUD
Retailer 13$2,552 AUD
Retailer 12$3,160 AUD
NZ Jewellers$4,208 AUD

27 data points across 17 retailers

19 retailers$1,279 AUD to $4,208 AUD

A
Cheapest Retailer
-
$1,279 AUD
HK$7,000 HKD
B+
Retailer 2
-
$1,584 AUD
$1,110 USD
View
B+
Retailer 3
-
$1,592 AUD
$1,116 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,654 AUD
$1,159 USD
View
B+
Retailer 5
-
$1,725 AUD
$1,209 USD
View
B+
Retailer 6
-
$1,725 AUD
$1,209 USD
View
B+
Retailer 7
-
$1,783 AUD
SGD 1,689 SGD
View
B+
Retailer 8
-
$1,792 AUD
$1,256 USD
View
B+
Retailer 9
-
$1,799 AUD
$1,261 USD
View
B+
Retailer 10
-
$1,905 AUD
$1,335 USD
View
B
Retailer 11
-
$1,917 AUD
$1,344 USD
View
B
Retailer 12
-
$1,969 AUD
£1,086 GBP
View
B
Retailer 13
-
$1,991 AUD
$1,395 USD
View
B+
Retailer 14
-
$2,175 AUD
£1,200 GBP
View
B
Retailer 15
-
$2,184 AUD
$1,531 USD
View
B
Retailer 16
-
$2,412 AUD
€1,610 EUR
View
B
Retailer 17
-
$2,552 AUD
ZAR 28,892 ZAR
View
B
Retailer 18
-
$3,160 AUD
£1,744 GBP
View
Most Expensive
B
NZ Jewellers
adebee80-091a-4016-97bf-ebdc241404ca · Oct 30
$4,208 AUD
$2,949 USD
View
18 more retailers have this diamond
Prices start from $1,279 AUDSave up to $2,929 AUD

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
$1,279 AUD