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Radiant|Natural|GIA

1.00ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2556802377

Certificate GIA 2556802377

Diamond specifications and retailer prices

From HK$12,556 HKD
As of November 6, 2026
Save HK$22,689 HKD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$35,245 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556802377. Listed at 14 retailers as of November 5, 2026, with prices from HK$12,556 to HK$35,245, a HK$22,689 spread on the same certified stone. NZ Jewellers lists it at HK$35,245. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2556802377
Dimensions6.94 × 4.95 × 3.30 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
6.94 mm4.95 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556802377
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.7%

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$35,245 HKD|Low: HK$12,556 HKD|High: HK$36,209 HKD|Avg: HK$19,477 HKD|-2.7%
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
November 7, 2026
Retailer 8HK$12,556 HKD
Retailer 14HK$13,324 HKD
Retailer 7HK$15,063 HKD
Retailer 12HK$15,228 HKD
Retailer 11HK$16,858 HKD
Retailer 6HK$17,086 HKD
Retailer 3HK$17,634 HKD
Retailer 9HK$17,940 HKD
Retailer 2HK$18,308 HKD
Retailer 4HK$18,653 HKD
Retailer 5HK$19,452 HKD
Retailer 10HK$21,482 HKD
Retailer 13HK$29,445 HKD
NZ JewellersHK$35,245 HKD

23 data points across 14 retailers

14 retailersHK$12,556 HKD to HK$35,245 HKD

A
Cheapest Retailer
-
HK$12,556 HKD
A
Retailer 2
-
HK$13,324 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$15,063 HKD
View
A
Retailer 4
-
HK$15,228 HKD
View
A
Retailer 5
-
HK$16,858 HKD
View
Retailer 6
-
HK$17,086 HKD
View
Price last confirmed 9 days ago
A
Retailer 7
-
HK$17,634 HKD
View
A
Retailer 8
-
HK$17,940 HKD
View
A
Retailer 9
-
HK$18,308 HKD
View
A
Retailer 10
-
HK$18,653 HKD
View
A
Retailer 11
-
HK$19,452 HKD
View
B+
Retailer 12
-
HK$21,482 HKD
View
B+
Retailer 13
-
HK$29,445 HKD
View
Most Expensive
B
NZ Jewellers
831279fb-7ab0-4cbb-8523-a05ce6f13ea7 · Nov 5
HK$35,245 HKD
$4,497 USD
View
13 more retailers have this diamond
Prices start from HK$12,556 HKDSave up to HK$22,689 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$12,556 HKD