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Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6422805013

Certificate GIA 6422805013

Diamond specifications and retailer prices

From HK$13,706 HKD
As of November 6, 2026
Save HK$21,300 HKD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$35,005 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6422805013. Listed at 17 retailers as of November 5, 2026, with prices from HK$13,706 to HK$35,005, a HK$21,300 spread on the same certified stone. NZ Jewellers lists it at HK$35,005. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6422805013
Dimensions6.39 × 6.33 × 4.00 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.39 mm6.33 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6422805013
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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 6
Current: HK$35,005 HKD|Low: HK$13,706 HKD|High: HK$35,005 HKD|Avg: HK$18,352 HKD
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
November 6, 2026
Retailer 4HK$13,706 HKD
Retailer 12HK$14,004 HKD
Retailer 5HK$14,623 HKD
Retailer 13HK$15,165 HKD
Retailer 16HK$15,165 HKD
Retailer 6HK$15,667 HKD
Retailer 15HK$15,871 HKD
Retailer 2HK$16,240 HKD
Retailer 14HK$16,632 HKD
Retailer 3HK$16,695 HKD
Retailer 7HK$17,503 HKD
Retailer 8HK$17,550 HKD
Retailer 9HK$18,083 HKD
Retailer 10HK$21,512 HKD
Retailer 11HK$29,247 HKD
NZ JewellersHK$35,005 HKD

28 data points across 16 retailers

17 retailersHK$13,706 HKD to HK$35,005 HKD

B+
Cheapest Retailer
-
HK$13,706 HKD
B+
Retailer 2
-
HK$14,004 HKD
View
B+
Retailer 3
-
HK$14,623 HKD
View
Retailer 4
-
HK$15,165 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$15,165 HKD
View
B+
Retailer 6
-
HK$15,667 HKD
View
B+
Retailer 7
-
HK$15,871 HKD
View
B+
Retailer 8
-
HK$16,240 HKD
View
B+
Retailer 9
-
HK$16,381 HKD
View
B+
Retailer 10
-
HK$16,632 HKD
View
B+
Retailer 11
-
HK$16,695 HKD
View
B
Retailer 12
-
HK$17,503 HKD
View
B
Retailer 13
-
HK$17,550 HKD
View
B
Retailer 14
-
HK$18,083 HKD
View
B
Retailer 15
-
HK$21,512 HKD
View
B
Retailer 16
-
HK$29,247 HKD
View
Most Expensive
C
NZ Jewellers
01c352bc-f1d1-41cf-8e2a-01090afa6836 · Nov 5
HK$35,005 HKD
$4,462 USD
View
16 more retailers have this diamond
Prices start from HK$13,706 HKDSave up to HK$21,300 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 Round
HK$13,706 HKD