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Round|Natural|IGI

1.51ct K SI2 Round Natural Diamond

VG • K/SI2 • IGI 581308742

Shape and cutting style on the report: Round brilliant

Certificate IGI 581308742

Diamond specifications and retailer prices

From HK$14,278 HKD
As of November 4, 2026
Save HK$23,536 HKD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$37,814 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 very-good cut grade and certified by IGI 581308742. Listed at 16 retailers as of November 4, 2026, with prices from HK$14,278 to HK$37,814, a HK$23,536 spread on the same certified stone. NZ Jewellers lists it at HK$37,814. 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

1.51
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle31.8°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 581308742
Dimensions7.35 × 7.26 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.35 mm7.26 mm1.51 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 581308742
Side View
Table 66.0%Crown 31.8°Girdle: MED-THKPavilion 42°Culet: NoneDepth 60.9%

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 4
Current: HK$37,814 HKD|Low: HK$10,787 HKD|High: HK$37,814 HKD|Avg: HK$21,022 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
Retailer 14
Retailer 15
November 5, 2026
Retailer 10HK$14,278 HKD
Retailer 2HK$15,855 HKD
Retailer 14HK$16,475 HKD
Retailer 11HK$16,742 HKD
Retailer 3HK$18,083 HKD
Retailer 5HK$18,083 HKD
Retailer 13HK$18,672 HKD
Retailer 15HK$18,923 HKD
Retailer 6HK$19,174 HKD
Retailer 4HK$20,868 HKD
Retailer 7HK$21,519 HKD
Retailer 9HK$22,476 HKD
Retailer 12HK$25,536 HKD
Retailer 8HK$31,600 HKD
NZ JewellersHK$37,814 HKD

34 data points across 15 retailers

16 retailersHK$14,278 HKD to HK$37,814 HKD

Retailer 1
-
HK$10,787 HKD
Price last confirmed 43 days ago
B+
Retailer 2
-
HK$14,278 HKD
View
B+
Retailer 3
-
HK$15,855 HKD
View
B+
Retailer 4
-
HK$16,334 HKD
View
B+
Retailer 5
-
HK$16,475 HKD
View
B+
Retailer 6
-
HK$16,742 HKD
View
B+
Retailer 7
-
HK$18,083 HKD
View
Retailer 8
-
HK$18,083 HKD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
HK$18,672 HKD
View
B+
Retailer 10
-
HK$18,923 HKD
View
B+
Retailer 11
-
HK$19,174 HKD
View
B+
Retailer 12
-
HK$20,868 HKD
View
B+
Retailer 13
-
HK$22,476 HKD
View
B+
Retailer 14
-
HK$25,536 HKD
View
B+
Retailer 15
-
HK$31,600 HKD
View
Most Expensive
B
NZ Jewellers
856628e2-e34b-42a0-82cc-1cc28a2772fb · Nov 5
HK$37,814 HKD
$4,820 USD
View
15 more retailers have this diamond
Prices start from HK$14,278 HKDSave up to HK$23,536 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+
1.51ct Round
HK$14,278 HKD