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Radiant|Natural|GIA

1.00ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 7552598001

Certificate GIA 7552598001

Diamond specifications and retailer prices

From HK$12,271 HKD
$1,564 USD
As of November 2, 2026
Save HK$11,026 HKD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$32,428 HKD at NZ Jewellers · As of September 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 7552598001. Listed at 12 retailers as of November 2, 2026, with a 90% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7552598001
Dimensions6.67 × 4.91 × 3.35 mm
L/W Ratio1.36
Girdle conditionPolished
Culet sizeNone
Key to symbols
Knot, Crystal, Needle
Top View
6.67 mm4.91 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7552598001
Side View
Table 68.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.1%

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 2
Current: HK$18,157 HKD|Low: HK$11,243 HKD|High: HK$23,576 HKD|Avg: HK$16,253 HKD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6HK$12,271 HKD
Retailer 5HK$12,789 HKD
Retailer 2HK$14,899 HKD
Retailer 4HK$16,229 HKD
Retailer 7HK$17,349 HKD
Retailer 1HK$18,157 HKD
Retailer 3HK$23,297 HKD

43 data points across 7 retailers

12 retailersHK$12,271 HKD to HK$23,297 HKD

A
Cheapest Retailer
-
HK$12,271 HKD
$1,564 USD
Final sale: no returns
A
Retailer 2
-
HK$12,789 HKD
$1,630 USD
View
Retailer 3
-
HK$13,299 HKD
$1,695 USD
View
Price last confirmed 25 days ago
Retailer 4
-
HK$13,299 HKD
$1,695 USD
View
Price last confirmed 25 days ago
Retailer 5
-
HK$13,911 HKD
$1,773 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
HK$14,899 HKD
£1,495 GBP
View
Retailer 7
-
HK$15,339 HKD
$1,955 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
HK$16,229 HKD
ZAR 33,415 ZAR
View
Retailer 9
-
HK$17,349 HKD
A$3,402 AUD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
HK$18,157 HKD
€2,204 EUR
View
B
Retailer 11
-
HK$23,297 HKD
£2,338 GBP
View
Most Expensive
NZ Jewellers
70523df3-f6a3-4abf-bd35-067ea9c37820 · Sep 30
HK$32,428 HKD
$4,133 USD
View
Price last confirmed 33 days ago
11 more retailers have this diamond
Prices start from HK$12,271 HKDSave up to HK$11,026 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$12,271 HKD