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Radiant|Natural|IGI

0.64ct H SI1 Radiant Natural Diamond

VG • H/SI1 • IGI 811673436

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

Certificate IGI 811673436

Diamond specifications and retailer prices

From HK$5,586 HKD
$712 USD
As of November 2, 2026
Save HK$13,409 HKD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$18,995 HKD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.64ct natural radiant diamond

This 0.64ct natural radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 811673436. Listed at 15 retailers as of October 27, 2026, with prices from HK$5,586 to HK$18,995, a HK$13,409 spread on the same certified stone. NZ Jewellers lists it at HK$18,995. 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

0.64
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.8°
Pavilion angle36.4°
OriginNatural
Grading LabIGI
CertificateIGI 811673436
Dimensions5.26 × 4.63 × 3.11 mm
L/W Ratio1.14
Top View
5.26 mm4.63 mm0.64 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 811673436
Side View
Table 75.0%Crown 38.8°Girdle: Slightly ThickPavilion 36.4°CuletDepth 67.2%

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 2
Current: HK$18,995 HKD|Low: HK$5,124 HKD|High: HK$18,995 HKD|Avg: HK$8,273 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
November 3, 2026
Retailer 10HK$5,586 HKD
Retailer 3HK$6,057 HKD
Retailer 12HK$6,057 HKD
Retailer 7HK$6,081 HKD
Retailer 11HK$6,293 HKD
Retailer 4HK$6,991 HKD
Retailer 8HK$7,393 HKD
Retailer 2HK$7,503 HKD
Retailer 6HK$7,859 HKD
Retailer 9HK$9,023 HKD
Retailer 5HK$11,091 HKD
NZ JewellersHK$18,995 HKD

45 data points across 12 retailers

15 retailersHK$5,586 HKD to HK$18,995 HKD

B+
Cheapest Retailer
-
HK$5,586 HKD
$712 USD
Final sale: no returns
Retailer 2
-
HK$6,057 HKD
$772 USD
View
Price last confirmed 49 days ago
B+
Retailer 3
-
HK$6,057 HKD
$772 USD
View
B+
Retailer 4
-
HK$6,057 HKD
$772 USD
View
A
Retailer 5
-
HK$6,081 HKD
$775 USD
View
B+
Retailer 6
-
HK$6,143 HKD
$783 USD
View
B+
Retailer 7
-
HK$6,293 HKD
$802 USD
View
B+
Retailer 8
-
HK$6,991 HKD
$891 USD
View
B+
Retailer 9
-
HK$7,097 HKD
$905 USD
View
B+
Retailer 10
-
HK$7,393 HKD
£742 GBP
View
B+
Retailer 11
-
HK$7,503 HKD
£753 GBP
View
B+
Retailer 12
-
HK$7,859 HKD
€954 EUR
View
Retailer 13
-
HK$9,023 HKD
ZAR 18,578 ZAR
View
Price last confirmed 8 days ago
B
Retailer 14
-
HK$11,091 HKD
£1,113 GBP
View
Most Expensive
C
NZ Jewellers
089cfd85-9d03-441a-a734-b5d62f2e8a9d · Oct 27
HK$18,995 HKD
$2,421 USD
View
14 more retailers have this diamond
Prices start from HK$5,586 HKDSave up to HK$13,409 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
0.64ct Radiant
HK$5,586 HKD