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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 $1,126 USD
HK$8,800 HKD
As of November 1, 2026
Save $2,366 USD (68%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,492 USD 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 $1,126 to $3,492, a $2,366 spread on the same certified stone. NZ Jewellers lists it at $3,492. 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
Color
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: $1,138 USD|Low: $1,126 USD|High: $2,539 USD|Avg: $1,648 USD|-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$1,126 USD
Retailer 1$1,138 USD
Retailer 9$1,321 USD
Retailer 2$1,396 USD
Retailer 8$1,576 USD
Retailer 3$1,596 USD
Retailer 7$1,747 USD
Retailer 6$1,994 USD
Retailer 4$2,508 USD

27 data points across 9 retailers

25 retailers$1,126 USD to $3,492 USD

A
Cheapest Retailer
-
$1,126 USD
HK$8,800 HKD
A
Retailer 2
-
$1,138 USD
₹108,411 INR
View
A
Retailer 3
-
$1,270 USD
View
A
Retailer 4
-
$1,300 USD
View
A
Retailer 5
-
$1,321 USD
View
Final sale: no returns
A
Retailer 6
-
$1,327 USD
View
A
Retailer 7
-
$1,396 USD
£1,099 GBP
View
A
Retailer 8
-
$1,432 USD
View
A
Retailer 9
-
$1,432 USD
View
A
Retailer 10
-
$1,480 USD
View
A
Retailer 11
-
$1,498 USD
View
A
Retailer 12
-
$1,530 USD
View
B+
Retailer 13
-
$1,567 USD
View
B+
Retailer 14
-
$1,568 USD
SGD 2,119 SGD
View
A
Retailer 15
-
$1,576 USD
View
B+
Retailer 16
-
$1,586 USD
View
B+
Retailer 17
-
$1,588 USD
View
B+
Retailer 18
-
$1,596 USD
£1,257 GBP
View
B+
Retailer 19
-
$1,652 USD
View
B+
Retailer 20
-
$1,747 USD
ZAR 28,230 ZAR
View
Retailer 21
-
$1,868 USD
A$2,874 AUD
View
Price last confirmed 27 days ago
B+
Retailer 22
-
$1,994 USD
€1,899 EUR
View
B
Retailer 23
-
$2,110 USD
View
B
Retailer 24
-
$2,508 USD
£1,975 GBP
View
Most Expensive
B
NZ Jewellers
ecfbdb91-2f60-416a-b625-deba8701c916 · Oct 30
$3,492 USD
View
24 more retailers have this diamond
Prices start from $1,126 USDSave up to $2,366 USD

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
$1,126 USD