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Round|Natural|GIA

1.33ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2554658620

Certificate GIA 2554658620

Diamond specifications and retailer prices

From HK$19,935 HKD
As of November 4, 2026
Save HK$25,222 HKD (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$45,157 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.33ct natural round diamond

This 1.33ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554658620. Listed at 6 retailers as of November 4, 2026, with prices from HK$19,935 to HK$45,157, a HK$25,222 spread on the same certified stone. NZ Jewellers lists it at HK$45,157. 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

1.33
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554658620
Dimensions7.10 × 7.06 × 4.28 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Feather, Needle
Top View
7.10 mm7.06 mm1.33 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554658620
Side View
Table 60.0%Crown 32.5°Girdle: STK-STKPavilion 41°Culet: NoneDepth 60.4%

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 4
Current: HK$45,157 HKD|Low: HK$19,935 HKD|High: HK$45,157 HKD|Avg: HK$30,176 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5HK$19,935 HKD
Retailer 6HK$20,947 HKD
Retailer 3HK$25,254 HKD
Retailer 2HK$25,442 HKD
Retailer 4HK$37,837 HKD
NZ JewellersHK$45,157 HKD

22 data points across 6 retailers

6 retailersHK$19,935 HKD to HK$45,157 HKD

A
Cheapest Retailer
-
HK$19,935 HKD
Final sale: no returns
B+
Retailer 2
-
HK$20,947 HKD
View
B+
Retailer 3
-
HK$25,254 HKD
View
B+
Retailer 4
-
HK$25,442 HKD
View
B
Retailer 5
-
HK$37,837 HKD
View
Most Expensive
B
NZ Jewellers
f633a713-e111-4162-8048-10e89e15cc81 · Nov 5
HK$45,157 HKD
$5,756 USD
View
5 more retailers have this diamond
Prices start from HK$19,935 HKDSave up to HK$25,222 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
1.33ct Round
HK$19,935 HKD