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Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5366627178

Certificate GIA 5366627178

Diamond specifications and retailer prices

From HK$9,438 HKD
As of November 6, 2026
Save HK$15,965 HKD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$25,403 HKD at Allurez · As of November 5, 2026
View at Allurez

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 5366627178. Listed at 5 retailers as of November 5, 2026, with prices from HK$9,438 to HK$25,403, a HK$15,965 spread on the same certified stone. Allurez lists it at HK$25,403. 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 angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5366627178
Dimensions6.36 × 6.41 × 3.98 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
6.36 mm6.41 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5366627178
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°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$9,438 HKD|Low: HK$9,438 HKD|High: HK$16,177 HKD|Avg: HK$13,570 HKD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 1HK$9,438 HKD
Retailer 4HK$12,819 HKD
Retailer 3HK$15,918 HKD
Retailer 2HK$16,059 HKD

46 data points across 4 retailers

5 retailersHK$9,438 HKD to HK$25,403 HKD

A
Cheapest Retailer
-
HK$9,438 HKD
B+
Retailer 2
-
HK$12,819 HKD
View
B+
Retailer 3
-
HK$15,918 HKD
View
B+
Retailer 4
-
HK$16,059 HKD
View
Most Expensive
B
Allurez
5737726 · Nov 5
HK$25,403 HKD
$3,238 USD
View
4 more retailers have this diamond
Prices start from HK$9,438 HKDSave up to HK$15,965 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$9,438 HKD