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Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6505210996

Certificate GIA 6505210996

Diamond specifications and retailer prices

From HK$11,289 HKD
As of November 6, 2026
Save HK$26,886 HKD (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$38,175 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 6505210996. Listed at 18 retailers as of November 5, 2026, with prices from HK$11,289 to HK$38,175, a HK$26,886 spread on the same certified stone. NZ Jewellers lists it at HK$38,175. 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
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6505210996
Dimensions6.42 × 6.39 × 3.99 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.42 mm6.39 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505210996
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.3%

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$11,289 HKD|Low: HK$11,289 HKD|High: HK$27,568 HKD|Avg: HK$16,107 HKD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1HK$11,289 HKD
Retailer 7HK$11,446 HKD
Retailer 8HK$14,145 HKD
Retailer 9HK$14,592 HKD
Retailer 6HK$15,039 HKD
Retailer 2HK$15,180 HKD
Retailer 3HK$16,899 HKD
Retailer 5HK$19,276 HKD
Retailer 4HK$27,348 HKD

31 data points across 9 retailers

18 retailersHK$11,289 HKD to HK$38,175 HKD

A
Cheapest Retailer
-
HK$11,289 HKD
A
Retailer 2
-
HK$11,446 HKD
View
B+
Retailer 3
-
HK$13,729 HKD
View
B+
Retailer 4
-
HK$14,145 HKD
View
B+
Retailer 5
-
HK$14,592 HKD
View
B+
Retailer 6
-
HK$15,039 HKD
View
B+
Retailer 7
-
HK$15,180 HKD
View
Retailer 8
-
HK$15,651 HKD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$15,651 HKD
View
B+
Retailer 10
-
HK$15,887 HKD
View
B+
Retailer 11
-
HK$16,373 HKD
View
B+
Retailer 12
-
HK$16,734 HKD
View
B+
Retailer 13
-
HK$16,899 HKD
View
B
Retailer 14
-
HK$18,060 HKD
View
B
Retailer 15
-
HK$19,276 HKD
View
B
Retailer 16
-
HK$22,273 HKD
View
B
Retailer 17
-
HK$27,348 HKD
View
Most Expensive
C
NZ Jewellers
98a302cd-3331-4711-b280-640809bb727d · Nov 5
HK$38,175 HKD
$4,866 USD
View
17 more retailers have this diamond
Prices start from HK$11,289 HKDSave up to HK$26,886 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 Round
HK$11,289 HKD