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Radiant|Natural|GIA

1.00ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 5553916188

Certificate GIA 5553916188

Diamond specifications and retailer prices

From HK$19,484 HKD
As of November 5, 2026
Save HK$25,472 HKD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$44,955 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 H 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 5553916188. Listed at 15 retailers as of November 5, 2026, with prices from HK$19,484 to HK$44,955, a HK$25,472 spread on the same certified stone. NZ Jewellers lists it at HK$44,955. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553916188
Dimensions7.20 × 4.77 × 3.28 mm
L/W Ratio1.51
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle
Top View
7.20 mm4.77 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553916188
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$44,955 HKD|Low: HK$14,844 HKD|High: HK$44,955 HKD|Avg: HK$23,285 HKD|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 7HK$17,242 HKD
Retailer 8HK$17,603 HKD
Retailer 6HK$17,814 HKD
Retailer 17HK$19,484 HKD
Retailer 19HK$19,484 HKD
Retailer 11HK$20,025 HKD
Retailer 18HK$20,385 HKD
Retailer 10HK$20,456 HKD
Retailer 12HK$20,793 HKD
Retailer 2HK$20,863 HKD
Retailer 20HK$21,200 HKD
Retailer 3HK$22,337 HKD
Retailer 4HK$22,337 HKD
Retailer 16HK$22,478 HKD
Retailer 5HK$23,120 HKD
Retailer 9HK$24,570 HKD
Retailer 13HK$25,033 HKD
Retailer 14HK$26,247 HKD
Retailer 15HK$37,572 HKD
NZ JewellersHK$44,955 HKD

33 data points across 20 retailers

15 retailersHK$19,484 HKD to HK$44,955 HKD

Retailer 1
-
HK$17,242 HKD
Price last confirmed 10 days ago
B+
Retailer 2
-
HK$19,484 HKD
View
B+
Retailer 3
-
HK$20,385 HKD
View
B+
Retailer 4
-
HK$20,456 HKD
View
B+
Retailer 5
-
HK$20,863 HKD
View
B
Retailer 6
-
HK$21,200 HKD
View
B+
Retailer 7
-
HK$22,337 HKD
View
B+
Retailer 8
-
HK$22,337 HKD
View
B+
Retailer 9
-
HK$22,478 HKD
View
B+
Retailer 10
-
HK$23,120 HKD
View
B
Retailer 11
-
HK$24,570 HKD
View
B+
Retailer 12
-
HK$25,033 HKD
View
B
Retailer 13
-
HK$26,247 HKD
View
B
Retailer 14
-
HK$37,572 HKD
View
Most Expensive
B
NZ Jewellers
e9445e1d-72ce-47f2-a50c-5724d35f6777 · Nov 5
HK$44,955 HKD
$5,736 USD
View
14 more retailers have this diamond
Prices start from HK$19,484 HKDSave up to HK$25,472 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.

B+
1.00ct Radiant
HK$19,484 HKD