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Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1289093164

Certificate GIA 1289093164

Diamond specifications and retailer prices

From HK$12,348 HKD
As of November 6, 2026
Save HK$24,791 HKD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$37,139 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 very-good cut grade and certified by GIA 1289093164. Listed at 16 retailers as of November 5, 2026, with prices from HK$12,348 to HK$37,139, a HK$24,791 spread on the same certified stone. NZ Jewellers lists it at HK$37,139. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1289093164
Dimensions6.44 × 6.35 × 3.83 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.44 mm6.35 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1289093164
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$37,139 HKD|Low: HK$12,348 HKD|High: HK$37,139 HKD|Avg: HK$17,617 HKD
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
November 6, 2026
Retailer 11HK$12,348 HKD
Retailer 4HK$12,568 HKD
Retailer 9HK$12,788 HKD
Retailer 5HK$13,792 HKD
Retailer 13HK$13,792 HKD
Retailer 10HK$14,427 HKD
Retailer 3HK$15,078 HKD
Retailer 12HK$15,918 HKD
Retailer 2HK$16,436 HKD
Retailer 6HK$17,934 HKD
Retailer 7HK$19,284 HKD
Retailer 8HK$26,595 HKD
NZ JewellersHK$37,139 HKD

40 data points across 13 retailers

16 retailersHK$12,348 HKD to HK$37,139 HKD

B+
Cheapest Retailer
-
HK$12,348 HKD
B+
Retailer 2
-
HK$12,411 HKD
View
B+
Retailer 3
-
HK$12,568 HKD
View
B+
Retailer 4
-
HK$12,788 HKD
View
B+
Retailer 5
-
HK$12,945 HKD
View
B+
Retailer 6
-
HK$13,792 HKD
View
Retailer 7
-
HK$13,792 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$14,427 HKD
View
B+
Retailer 9
-
HK$15,078 HKD
View
B
Retailer 10
-
HK$15,918 HKD
View
B
Retailer 11
-
HK$16,436 HKD
View
B
Retailer 12
-
HK$17,934 HKD
View
B
Retailer 13
-
HK$19,284 HKD
View
B
Retailer 14
-
HK$21,833 HKD
View
B
Retailer 15
-
HK$26,595 HKD
View
Most Expensive
C
NZ Jewellers
f59eef37-bd43-4665-92ea-38679c8c9751 · Nov 5
HK$37,139 HKD
$4,734 USD
View
15 more retailers have this diamond
Prices start from HK$12,348 HKDSave up to HK$24,791 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$12,348 HKD