CaratHunter
Plans
Round|Natural|IGI

1.51ct K SI1 Round Natural Diamond

VG • K/SI1 • IGI 754512197

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512197

Diamond specifications and retailer prices

From HK$16,091 HKD
As of November 6, 2026
Save HK$25,630 HKD (61%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$41,721 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 754512197. Listed at 20 retailers as of November 5, 2026, with prices from HK$16,091 to HK$41,721, a HK$25,630 spread on the same certified stone. NZ Jewellers lists it at HK$41,721. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.7°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 754512197
Dimensions7.09 × 7.13 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.09 mm7.13 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 754512197
Side View
Table 57.0%Crown 38.7°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.8%

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$41,721 HKD|Low: HK$16,091 HKD|High: HK$41,721 HKD|Avg: HK$23,116 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 2HK$16,091 HKD
Retailer 19HK$17,220 HKD
Retailer 10HK$18,028 HKD
Retailer 3HK$18,044 HKD
Retailer 17HK$18,138 HKD
Retailer 5HK$19,958 HKD
Retailer 7HK$19,958 HKD
Retailer 8HK$20,445 HKD
Retailer 6HK$20,876 HKD
Retailer 4HK$21,057 HKD
Retailer 14HK$21,370 HKD
Retailer 13HK$21,731 HKD
Retailer 9HK$22,461 HKD
Retailer 11HK$23,026 HKD
Retailer 15HK$23,410 HKD
Retailer 16HK$24,359 HKD
Retailer 18HK$24,759 HKD
Retailer 12HK$30,698 HKD
Retailer 20HK$34,958 HKD
NZ JewellersHK$41,721 HKD

23 data points across 20 retailers

20 retailersHK$16,091 HKD to HK$41,721 HKD

A
Cheapest Retailer
-
HK$16,091 HKD
A
Retailer 2
-
HK$17,220 HKD
View
B+
Retailer 3
-
HK$18,028 HKD
View
A
Retailer 4
-
HK$18,044 HKD
View
A
Retailer 5
-
HK$18,138 HKD
View
B+
Retailer 6
-
HK$19,958 HKD
View
Retailer 7
-
HK$19,958 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$20,445 HKD
View
B+
Retailer 9
-
HK$20,876 HKD
View
B+
Retailer 10
-
HK$21,057 HKD
View
B+
Retailer 11
-
HK$21,370 HKD
View
B+
Retailer 12
-
HK$21,731 HKD
View
B+
Retailer 13
-
HK$22,461 HKD
View
B+
Retailer 14
-
HK$23,026 HKD
View
B+
Retailer 15
-
HK$23,410 HKD
View
B+
Retailer 16
-
HK$24,359 HKD
View
B+
Retailer 17
-
HK$24,759 HKD
View
B+
Retailer 18
-
HK$30,698 HKD
View
B+
Retailer 19
-
HK$34,958 HKD
View
Most Expensive
B
NZ Jewellers
bbce782d-a238-4417-9b66-8eb95b477819 · Nov 5
HK$41,721 HKD
$5,318 USD
View
19 more retailers have this diamond
Prices start from HK$16,091 HKDSave up to HK$25,630 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$16,091 HKD