Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6402352938

Certificate GIA 6402352938

Diamond specifications and retailer prices

From HK$15,918 HKD
As of November 6, 2026
18 retailers carry this diamond
Most expensive: HK$35,821 HKD at NZ Jewellers · As of October 23, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6402352938. Listed at 18 retailers as of November 6, 2026. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6402352938
Dimensions6.42 × 6.45 × 3.89 mm
L/W Ratio1.00
Top View
6.42 mm6.45 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6402352938
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: HK$16,498 HKD|Low: HK$14,922 HKD|High: HK$30,377 HKD|Avg: HK$18,626 HKD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 24, 2026
Retailer 2HK$14,922 HKD
Retailer 11HK$15,526 HKD
Retailer 3HK$15,808 HKD
Retailer 5HK$15,894 HKD
Retailer 9HK$15,918 HKD
Retailer 6HK$16,036 HKD
Retailer 1HK$16,498 HKD
Retailer 10HK$18,774 HKD
Retailer 7HK$20,672 HKD
Retailer 4HK$21,268 HKD
Retailer 8HK$30,173 HKD

32 data points across 11 retailers

18 retailers

Retailer 1
-
HK$14,027 HKD
Price last confirmed 14 days ago
Retailer 2
-
HK$14,922 HKD
View
Price last confirmed 14 days ago
Retailer 3
-
HK$15,526 HKD
View
Price last confirmed 39 days ago
Retailer 4
-
HK$15,526 HKD
View
Price last confirmed 21 days ago
Retailer 5
-
HK$15,808 HKD
View
Price last confirmed 14 days ago
Retailer 6
-
HK$15,894 HKD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
HK$15,918 HKD
View
Retailer 8
-
HK$16,004 HKD
View
Price last confirmed 19 days ago
Retailer 9
-
HK$16,036 HKD
View
Price last confirmed 15 days ago
Retailer 10
-
HK$16,240 HKD
View
Price last confirmed 38 days ago
Retailer 11
-
HK$17,911 HKD
View
Price last confirmed 38 days ago
Retailer 12
-
HK$17,911 HKD
View
Price last confirmed 14 days ago
Retailer 13
-
HK$18,774 HKD
View
Price last confirmed 16 days ago
Retailer 14
-
HK$20,672 HKD
View
Price last confirmed 15 days ago
Retailer 15
-
HK$21,268 HKD
View
Price last confirmed 13 days ago
Retailer 16
-
HK$30,173 HKD
View
Price last confirmed 16 days ago
Retailer 17
-
HK$35,821 HKD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
03d9b590-2778-471e-9db8-df4130d44ffd · Oct 23
HK$35,821 HKD
$4,566 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from HK$15,918 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$15,918 HKD