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Radiant|Natural|GIA

1.00ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 7453410385

Certificate GIA 7453410385

Diamond specifications and retailer prices

From $1,607 AUD
HK$8,800 HKD
As of November 1, 2026
Save $3,375 AUD (68%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,983 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic 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 7453410385. Listed at 25 retailers as of October 30, 2026, with prices from $1,607 to $4,983, a $3,375 spread on the same certified stone. NZ Jewellers lists it at $4,983. 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

1.00
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.01°
Pavilion angle54.52°
OriginNatural
Grading LabGIA
CertificateGIA 7453410385
Dimensions6.61 × 5.09 × 3.55 mm
L/W Ratio1.30
Top View
6.61 mm5.09 mm1.00 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7453410385
Side View
Table 67.0%Crown 40.01°Girdle: MED-STKPavilion 54.52°Culet: NoneDepth 69.7%

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: $1,624 AUD|Low: $1,607 AUD|High: $3,623 AUD|Avg: $2,351 AUD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$1,607 AUD
Retailer 1$1,624 AUD
Retailer 9$1,885 AUD
Retailer 2$1,992 AUD
Retailer 8$2,249 AUD
Retailer 3$2,278 AUD
Retailer 7$2,493 AUD
Retailer 6$2,845 AUD
Retailer 4$3,579 AUD

27 data points across 9 retailers

25 retailers$1,607 AUD to $4,983 AUD

A
Cheapest Retailer
-
$1,607 AUD
HK$8,800 HKD
A
Retailer 2
-
$1,624 AUD
₹108,411 INR
View
A
Retailer 3
-
$1,812 AUD
$1,270 USD
View
A
Retailer 4
-
$1,855 AUD
$1,300 USD
View
A
Retailer 5
-
$1,885 AUD
$1,321 USD
View
Final sale: no returns
A
Retailer 6
-
$1,893 AUD
$1,327 USD
View
A
Retailer 7
-
$1,992 AUD
£1,099 GBP
View
A
Retailer 8
-
$2,043 AUD
$1,432 USD
View
A
Retailer 9
-
$2,043 AUD
$1,432 USD
View
A
Retailer 10
-
$2,112 AUD
$1,480 USD
View
A
Retailer 11
-
$2,137 AUD
$1,498 USD
View
A
Retailer 12
-
$2,183 AUD
$1,530 USD
View
B+
Retailer 13
-
$2,236 AUD
$1,567 USD
View
B+
Retailer 14
-
$2,237 AUD
SGD 2,119 SGD
View
A
Retailer 15
-
$2,249 AUD
$1,576 USD
View
B+
Retailer 16
-
$2,263 AUD
$1,586 USD
View
B+
Retailer 17
-
$2,266 AUD
$1,588 USD
View
B+
Retailer 18
-
$2,278 AUD
£1,257 GBP
View
B+
Retailer 19
-
$2,357 AUD
$1,652 USD
View
B+
Retailer 20
-
$2,493 AUD
ZAR 28,230 ZAR
View
Retailer 21
-
$2,665 AUD
View
Price last confirmed 28 days ago
B+
Retailer 22
-
$2,845 AUD
€1,899 EUR
View
B
Retailer 23
-
$3,011 AUD
$2,110 USD
View
B
Retailer 24
-
$3,579 AUD
£1,975 GBP
View
Most Expensive
B
NZ Jewellers
ecfbdb91-2f60-416a-b625-deba8701c916 · Oct 30
$4,983 AUD
$3,492 USD
View
24 more retailers have this diamond
Prices start from $1,607 AUDSave up to $3,375 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
1.00ct Radiant
$1,607 AUD