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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 HK$8,825 HKD
As of November 6, 2026
Save HK$18,543 HKD (68%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$27,368 HKD at NZ Jewellers · As of November 5, 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 November 5, 2026, with prices from HK$8,825 to HK$27,368, a HK$18,543 spread on the same certified stone. NZ Jewellers lists it at HK$27,368. 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 6
Current: HK$12,383 HKD|Low: HK$8,825 HKD|High: HK$19,860 HKD|Avg: HK$12,842 HKD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 3HK$8,825 HKD
Retailer 6HK$8,841 HKD
Retailer 12HK$9,875 HKD
Retailer 5HK$10,400 HKD
Retailer 7HK$10,878 HKD
Retailer 2HK$10,965 HKD
Retailer 8HK$12,289 HKD
Retailer 4HK$12,352 HKD
Retailer 1HK$12,383 HKD
Retailer 10HK$13,692 HKD
Retailer 9HK$15,542 HKD
Retailer 11HK$19,601 HKD

27 data points across 12 retailers

25 retailersHK$8,825 HKD to HK$27,368 HKD

A
Cheapest Retailer
-
HK$8,825 HKD
A
Retailer 2
-
HK$8,841 HKD
View
A
Retailer 3
-
HK$9,875 HKD
View
A
Retailer 4
-
HK$10,353 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$10,400 HKD
View
A
Retailer 6
-
HK$10,878 HKD
View
A
Retailer 7
-
HK$10,965 HKD
View
Retailer 8
-
HK$11,223 HKD
View
Price last confirmed 9 days ago
A
Retailer 9
-
HK$11,223 HKD
View
A
Retailer 10
-
HK$11,599 HKD
View
A
Retailer 11
-
HK$11,740 HKD
View
A
Retailer 12
-
HK$11,991 HKD
View
B+
Retailer 13
-
HK$12,281 HKD
View
B+
Retailer 14
-
HK$12,289 HKD
View
A
Retailer 15
-
HK$12,352 HKD
View
B+
Retailer 16
-
HK$12,383 HKD
View
B+
Retailer 17
-
HK$12,430 HKD
View
B+
Retailer 18
-
HK$12,446 HKD
View
B+
Retailer 19
-
HK$12,947 HKD
View
B+
Retailer 20
-
HK$13,692 HKD
View
Retailer 21
-
HK$14,640 HKD
View
Price last confirmed 33 days ago
B+
Retailer 22
-
HK$15,542 HKD
View
B
Retailer 23
-
HK$16,537 HKD
View
B
Retailer 24
-
HK$19,601 HKD
View
Most Expensive
B
NZ Jewellers
ecfbdb91-2f60-416a-b625-deba8701c916 · Nov 5
HK$27,368 HKD
$3,492 USD
View
24 more retailers have this diamond
Prices start from HK$8,825 HKDSave up to HK$18,543 HKD

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
HK$8,825 HKD