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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 $2,002 NZD
HK$8,800 HKD
As of November 1, 2026
Save $4,204 NZD (68%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $6,206 NZD 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 $2,002 to $6,206, a $4,204 spread on the same certified stone. NZ Jewellers lists it at $6,206. 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: $2,486 NZD|Low: $2,002 NZD|High: $4,512 NZD|Avg: $2,930 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$2,002 NZD
Retailer 3$2,023 NZD
Retailer 2$2,348 NZD
Retailer 4$2,482 NZD
Retailer 1$2,486 NZD
Retailer 10$2,801 NZD
Retailer 5$2,837 NZD
Retailer 9$3,106 NZD
Retailer 8$3,544 NZD
Retailer 6$4,458 NZD

26 data points across 10 retailers

25 retailers$2,002 NZD to $6,206 NZD

A
Cheapest Retailer
-
$2,002 NZD
HK$8,800 HKD
A
Retailer 2
-
$2,023 NZD
₹108,411 INR
View
A
Retailer 3
-
$2,257 NZD
$1,270 USD
View
A
Retailer 4
-
$2,348 NZD
$1,321 USD
View
Final sale: no returns
A
Retailer 5
-
$2,358 NZD
$1,327 USD
View
A
Retailer 6
-
$2,482 NZD
£1,099 GBP
View
A
Retailer 7
-
$2,486 NZD
$1,399 USD
View
A
Retailer 8
-
$2,545 NZD
$1,432 USD
View
A
Retailer 9
-
$2,545 NZD
$1,432 USD
View
A
Retailer 10
-
$2,630 NZD
$1,480 USD
View
A
Retailer 11
-
$2,662 NZD
$1,498 USD
View
A
Retailer 12
-
$2,719 NZD
$1,530 USD
View
B+
Retailer 13
-
$2,785 NZD
$1,567 USD
View
B+
Retailer 14
-
$2,787 NZD
SGD 2,119 SGD
View
A
Retailer 15
-
$2,801 NZD
$1,576 USD
View
B+
Retailer 16
-
$2,819 NZD
$1,586 USD
View
B+
Retailer 17
-
$2,823 NZD
$1,588 USD
View
B+
Retailer 18
-
$2,837 NZD
£1,257 GBP
View
B+
Retailer 19
-
$2,936 NZD
$1,652 USD
View
B+
Retailer 20
-
$3,106 NZD
ZAR 28,230 ZAR
View
Retailer 21
-
$3,320 NZD
A$2,874 AUD
View
Price last confirmed 28 days ago
B+
Retailer 22
-
$3,544 NZD
€1,899 EUR
View
B
Retailer 23
-
$3,750 NZD
$2,110 USD
View
B
Retailer 24
-
$4,458 NZD
£1,975 GBP
View
Most Expensive
B
NZ Jewellers
ecfbdb91-2f60-416a-b625-deba8701c916 · Oct 30
$6,206 NZD
$3,492 USD
View
24 more retailers have this diamond
Prices start from $2,002 NZDSave up to $4,204 NZD

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
$2,002 NZD