Round|Natural|GIA

1.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6552492309

Certificate GIA 6552492309

Diamond specifications and retailer prices

From HK$19,566 HKD
As of November 6, 2026
Save HK$25,042 HKD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$44,608 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552492309. Listed at 9 retailers as of November 5, 2026, with prices from HK$19,566 to HK$44,608, a HK$25,042 spread on the same certified stone. NZ Jewellers lists it at HK$44,608. 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

1.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552492309
Dimensions7.26 × 7.31 × 4.57 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
7.26 mm7.31 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552492309
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.8%

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$44,608 HKD|Low: HK$19,566 HKD|High: HK$46,789 HKD|Avg: HK$31,352 HKD|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2HK$19,566 HKD
Retailer 7HK$22,735 HKD
Retailer 9HK$24,548 HKD
Retailer 6HK$26,172 HKD
Retailer 4HK$26,729 HKD
Retailer 5HK$28,407 HKD
Retailer 3HK$33,797 HKD
Retailer 8HK$42,701 HKD
NZ JewellersHK$44,608 HKD

27 data points across 9 retailers

9 retailersHK$19,566 HKD to HK$44,608 HKD

A
Cheapest Retailer
-
HK$19,566 HKD
A
Retailer 2
-
HK$22,735 HKD
View
A
Retailer 3
-
HK$24,548 HKD
View
A
Retailer 4
-
HK$26,172 HKD
View
A
Retailer 5
-
HK$26,729 HKD
View
A
Retailer 6
-
HK$28,407 HKD
View
B+
Retailer 7
-
HK$33,797 HKD
View
B
Retailer 8
-
HK$42,701 HKD
View
Most Expensive
B
NZ Jewellers
c02d01b1-3c8c-493e-970d-669c53f3e4b1 · Nov 5
HK$44,608 HKD
$5,686 USD
View
8 more retailers have this diamond
Prices start from HK$19,566 HKDSave up to HK$25,042 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
1.51ct Round
HK$19,566 HKD