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Round|Natural|GIA

0.90ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 1558242021

Certificate GIA 1558242021

Diamond specifications and retailer prices

From HK$5,821 HKD
As of November 6, 2026
Save HK$18,985 HKD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$24,807 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 1558242021. Listed at 17 retailers as of November 5, 2026, with prices from HK$5,821 to HK$24,807, a HK$18,985 spread on the same certified stone. NZ Jewellers lists it at HK$24,807. 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

0.90
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 1558242021
Dimensions5.94 × 6.03 × 3.85 mm
L/W Ratio1.02
Girdle conditionFaceted
Key to symbols
Crystal
Top View
5.94 mm6.03 mm0.90 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1558242021
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.3%

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$24,807 HKD|Low: HK$5,821 HKD|High: HK$24,807 HKD|Avg: HK$10,981 HKD|+26.8%
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
November 6, 2026
Retailer 5HK$5,821 HKD
Retailer 11HK$6,559 HKD
Retailer 8HK$7,069 HKD
Retailer 6HK$7,735 HKD
Retailer 7HK$8,018 HKD
Retailer 9HK$8,135 HKD
Retailer 13HK$8,190 HKD
Retailer 16HK$8,873 HKD
Retailer 3HK$9,132 HKD
Retailer 10HK$9,414 HKD
Retailer 4HK$11,030 HKD
Retailer 15HK$11,077 HKD
Retailer 12HK$11,587 HKD
Retailer 14HK$14,467 HKD
Retailer 2HK$18,797 HKD
NZ JewellersHK$24,807 HKD

25 data points across 16 retailers

17 retailersHK$5,821 HKD to HK$24,807 HKD

A
Cheapest Retailer
-
HK$5,821 HKD
A
Retailer 2
-
HK$6,559 HKD
View
A
Retailer 3
-
HK$7,069 HKD
View
B+
Retailer 4
-
HK$7,735 HKD
View
Retailer 5
-
HK$8,018 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$8,135 HKD
View
B+
Retailer 7
-
HK$8,190 HKD
View
Retailer 8
-
HK$8,214 HKD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
HK$8,873 HKD
View
B+
Retailer 10
-
HK$9,132 HKD
View
B+
Retailer 11
-
HK$9,414 HKD
View
B
Retailer 12
-
HK$11,030 HKD
View
B+
Retailer 13
-
HK$11,077 HKD
View
B
Retailer 14
-
HK$11,587 HKD
View
B
Retailer 15
-
HK$14,467 HKD
View
B
Retailer 16
-
HK$18,797 HKD
View
Most Expensive
C
NZ Jewellers
2242df72-53f1-4102-b6f8-e40cc2fbb2a0 · Nov 5
HK$24,807 HKD
$3,162 USD
View
16 more retailers have this diamond
Prices start from HK$5,821 HKDSave up to HK$18,985 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
0.90ct Round
HK$5,821 HKD