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Radiant|Natural|IGI

1.51ct H SI1 Radiant Natural Diamond

VG • H/SI1 • IGI 828653791

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 828653791

Diamond specifications and retailer prices

From HK$33,019 HKD
As of November 6, 2026
Save HK$33,952 HKD (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$66,971 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 828653791. Listed at 16 retailers as of November 5, 2026, with prices from HK$33,019 to HK$66,971, a HK$33,952 spread on the same certified stone. NZ Jewellers lists it at HK$66,971. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.1°
Pavilion angle28.7°
OriginNatural
Grading LabIGI
CertificateIGI 828653791
Dimensions7.61 × 5.56 × 3.71 mm
L/W Ratio1.37
Culet sizeNone
Top View
7.61 mm5.56 mm1.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828653791
Side View
Table 67.0%Crown 51.1°Girdle: STK-THKPavilion 28.7°Culet: NoneDepth 66.7%

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$66,971 HKD|Low: HK$33,019 HKD|High: HK$68,319 HKD|Avg: HK$42,156 HKD|-2.0%
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 7, 2026
Retailer 12HK$33,019 HKD
Retailer 2HK$33,544 HKD
Retailer 11HK$34,947 HKD
Retailer 6HK$35,206 HKD
Retailer 13HK$35,480 HKD
Retailer 9HK$37,862 HKD
Retailer 10HK$37,996 HKD
Retailer 7HK$38,145 HKD
Retailer 5HK$38,435 HKD
Retailer 14HK$39,038 HKD
Retailer 8HK$39,211 HKD
Retailer 15HK$40,253 HKD
Retailer 16HK$43,686 HKD
Retailer 3HK$46,899 HKD
Retailer 4HK$61,053 HKD
NZ JewellersHK$66,971 HKD

15 data points across 16 retailers

16 retailersHK$33,019 HKD to HK$66,971 HKD

A
Cheapest Retailer
-
HK$33,019 HKD
A
Retailer 2
-
HK$33,544 HKD
View
A
Retailer 3
-
HK$34,947 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$35,206 HKD
View
A
Retailer 5
-
HK$35,480 HKD
View
A
Retailer 6
-
HK$37,862 HKD
View
A
Retailer 7
-
HK$37,996 HKD
View
B+
Retailer 8
-
HK$38,145 HKD
View
A
Retailer 9
-
HK$38,435 HKD
View
A
Retailer 10
-
HK$39,038 HKD
View
Retailer 11
-
HK$39,211 HKD
View
Price last confirmed 9 days ago
A
Retailer 12
-
HK$40,253 HKD
View
B+
Retailer 13
-
HK$43,686 HKD
View
B+
Retailer 14
-
HK$46,899 HKD
View
B
Retailer 15
-
HK$61,053 HKD
View
Most Expensive
B
NZ Jewellers
f83d0672-7283-49fd-af05-b905100c3c1f · Nov 5
HK$66,971 HKD
$8,545 USD
View
15 more retailers have this diamond
Prices start from HK$33,019 HKDSave up to HK$33,952 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 Radiant
HK$33,019 HKD