Radiant|Natural|IGI

0.63ct J SI1 Radiant Natural Diamond

EX • J/SI1 • IGI 774682276

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

Certificate IGI 774682276

Diamond specifications and retailer prices

From HK$3,801 HKD
As of November 1, 2026
Save HK$9,084 HKD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$12,885 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.63ct natural radiant diamond

This 0.63ct natural radiant sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 774682276. Listed at 12 retailers as of November 1, 2026, with prices from HK$3,801 to HK$12,885, a HK$9,084 spread on the same certified stone. NZ Jewellers lists it at HK$12,885. 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

0.63
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.2°
Pavilion angle34°
OriginNatural
Grading LabIGI
CertificateIGI 774682276
Dimensions6.24 × 4.25 × 2.80 mm
L/W Ratio1.47
Culet sizePointed
Top View
6.24 mm4.25 mm0.63 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 774682276
Side View
Table 64.0%Crown 36.2°Girdle: MED-STKPavilion 34°Culet: NoneDepth 65.9%

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 1
Current: HK$12,885 HKD|Low: HK$3,801 HKD|High: HK$13,284 HKD|Avg: HK$6,069 HKD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 11HK$3,801 HKD
Retailer 9HK$4,107 HKD
Retailer 4HK$4,122 HKD
Retailer 10HK$4,436 HKD
Retailer 3HK$4,452 HKD
Retailer 2HK$4,781 HKD
Retailer 6HK$5,510 HKD
Retailer 7HK$5,643 HKD
Retailer 8HK$6,152 HKD
Retailer 5HK$6,199 HKD
Retailer 12HK$9,499 HKD
NZ JewellersHK$12,885 HKD

31 data points across 12 retailers

12 retailersHK$3,801 HKD to HK$12,885 HKD

A
Cheapest Retailer
-
HK$3,801 HKD
A
Retailer 2
-
HK$4,107 HKD
View
A
Retailer 3
-
HK$4,122 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$4,436 HKD
View
Retailer 5
-
HK$4,452 HKD
View
Price last confirmed 9 days ago
A
Retailer 6
-
HK$4,781 HKD
View
B+
Retailer 7
-
HK$5,510 HKD
View
B+
Retailer 8
-
HK$5,643 HKD
View
B+
Retailer 9
-
HK$6,152 HKD
View
B+
Retailer 10
-
HK$6,199 HKD
View
B
Retailer 11
-
HK$9,499 HKD
View
Most Expensive
B
NZ Jewellers
28b49dfb-86ec-4cdf-bc00-ca1aaf6698a9 · Nov 3
HK$12,885 HKD
$1,644 USD
View
11 more retailers have this diamond
Prices start from HK$3,801 HKDSave up to HK$9,084 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
0.63ct Radiant
HK$3,801 HKD