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Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2239108432

Certificate GIA 2239108432

Diamond specifications and retailer prices

From HK$13,062 HKD
As of November 6, 2026
Save HK$20,876 HKD (62%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$33,938 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2239108432. Listed at 20 retailers as of November 5, 2026, with prices from HK$13,062 to HK$33,938, a HK$20,876 spread on the same certified stone. NZ Jewellers lists it at HK$33,938. 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
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2239108432
Dimensions6.39 × 6.33 × 4.02 mm
L/W Ratio1.01
Top View
6.39 mm6.33 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2239108432
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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$18,978 HKD|Low: HK$13,062 HKD|High: HK$28,784 HKD|Avg: HK$18,063 HKD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2HK$13,062 HKD
Retailer 10HK$13,400 HKD
Retailer 8HK$13,611 HKD
Retailer 3HK$15,102 HKD
Retailer 11HK$15,384 HKD
Retailer 9HK$16,946 HKD
Retailer 6HK$17,526 HKD
Retailer 1HK$18,978 HKD
Retailer 5HK$19,809 HKD
Retailer 4HK$20,570 HKD
Retailer 7HK$28,360 HKD

41 data points across 11 retailers

20 retailersHK$13,062 HKD to HK$33,938 HKD

A
Cheapest Retailer
-
HK$13,062 HKD
A
Retailer 2
-
HK$13,243 HKD
View
A
Retailer 3
-
HK$13,400 HKD
View
A
Retailer 4
-
HK$13,611 HKD
View
B+
Retailer 5
-
HK$13,815 HKD
View
B+
Retailer 6
-
HK$14,184 HKD
View
Retailer 7
-
HK$14,710 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$14,710 HKD
View
B+
Retailer 9
-
HK$15,102 HKD
View
B+
Retailer 10
-
HK$15,384 HKD
View
B+
Retailer 11
-
HK$16,946 HKD
View
Retailer 12
-
HK$16,946 HKD
View
Price last confirmed 28 days ago
Retailer 13
-
HK$16,946 HKD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
HK$16,969 HKD
View
B+
Retailer 15
-
HK$17,526 HKD
View
B
Retailer 16
-
HK$18,978 HKD
View
B+
Retailer 17
-
HK$19,809 HKD
View
B+
Retailer 18
-
HK$20,570 HKD
View
B
Retailer 19
-
HK$28,360 HKD
View
Most Expensive
B
NZ Jewellers
968c877d-6101-4c10-8795-2a9be30a4d4a · Nov 5
HK$33,938 HKD
$4,326 USD
View
19 more retailers have this diamond
Prices start from HK$13,062 HKDSave up to HK$20,876 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$13,062 HKD