Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6555414004

Certificate GIA 6555414004

Diamond specifications and retailer prices

From HK$12,403 HKD
As of November 5, 2026
Save HK$24,226 HKD (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$36,629 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 6555414004. Listed at 16 retailers as of November 5, 2026, with prices from HK$12,403 to HK$36,629, a HK$24,226 spread on the same certified stone. NZ Jewellers lists it at HK$36,629. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555414004
Dimensions6.32 × 6.37 × 3.96 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural, Natural
Top View
6.32 mm6.37 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555414004
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 5
Current: HK$36,629 HKD|Low: HK$11,752 HKD|High: HK$36,629 HKD|Avg: HK$16,381 HKD|+25.9%
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
November 6, 2026
Retailer 16HK$12,403 HKD
Retailer 3HK$13,125 HKD
Retailer 15HK$13,305 HKD
Retailer 4HK$13,604 HKD
Retailer 8HK$13,604 HKD
Retailer 17HK$14,153 HKD
Retailer 7HK$14,231 HKD
Retailer 9HK$14,341 HKD
Retailer 2HK$14,569 HKD
Retailer 5HK$14,671 HKD
Retailer 14HK$15,698 HKD
Retailer 6HK$15,714 HKD
Retailer 10HK$16,208 HKD
Retailer 13HK$19,291 HKD
Retailer 12HK$21,747 HKD
Retailer 11HK$26,242 HKD
NZ JewellersHK$36,629 HKD

18 data points across 17 retailers

16 retailersHK$12,403 HKD to HK$36,629 HKD

A
Cheapest Retailer
-
HK$12,403 HKD
A
Retailer 2
-
HK$13,125 HKD
View
A
Retailer 3
-
HK$13,305 HKD
View
B+
Retailer 4
-
HK$13,604 HKD
View
B+
Retailer 5
-
HK$14,153 HKD
View
B+
Retailer 6
-
HK$14,231 HKD
View
Retailer 7
-
HK$14,341 HKD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
HK$14,569 HKD
View
B+
Retailer 9
-
HK$14,671 HKD
View
B+
Retailer 10
-
HK$15,698 HKD
View
B+
Retailer 11
-
HK$15,714 HKD
View
B
Retailer 12
-
HK$16,208 HKD
View
B
Retailer 13
-
HK$19,291 HKD
View
B
Retailer 14
-
HK$21,747 HKD
View
B
Retailer 15
-
HK$26,242 HKD
View
Most Expensive
C
NZ Jewellers
7b1f8c66-e901-4452-839e-81f03380d61d · Nov 5
HK$36,629 HKD
$4,669 USD
View
15 more retailers have this diamond
Prices start from HK$12,403 HKDSave up to HK$24,226 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$12,403 HKD