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Radiant|Natural|IGI

1.00ct I SI1 Radiant Natural Diamond

VG • I/SI1 • IGI 668406118

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

Certificate IGI 668406118

Diamond specifications and retailer prices

From HK$9,248 HKD
As of November 1, 2026
Save HK$14,389 HKD (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$23,638 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 668406118. Listed at 15 retailers as of November 1, 2026, with prices from HK$9,248 to HK$23,638, a HK$14,389 spread on the same certified stone. NZ Jewellers lists it at HK$23,638. 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

1.00
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle47.7°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 668406118
Dimensions7.36 × 4.71 × 3.31 mm
L/W Ratio1.56
Culet sizePointed
Top View
7.36 mm4.71 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 668406118
Side View
Table 62.0%Crown 47.7°Girdle: MediumPavilion 39°Culet: NoneDepth 70.3%

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$23,638 HKD|Low: HK$8,198 HKD|High: HK$23,669 HKD|Avg: HK$11,668 HKD|-0.1%
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
November 3, 2026
Retailer 3HK$8,942 HKD
Retailer 16HK$9,248 HKD
Retailer 4HK$9,279 HKD
Retailer 17HK$9,287 HKD
Retailer 5HK$9,562 HKD
Retailer 7HK$9,695 HKD
Retailer 12HK$9,695 HKD
Retailer 11HK$10,063 HKD
Retailer 6HK$10,071 HKD
Retailer 8HK$10,126 HKD
Retailer 9HK$10,745 HKD
Retailer 10HK$11,145 HKD
Retailer 14HK$11,184 HKD
Retailer 15HK$11,827 HKD
Retailer 2HK$13,480 HKD
Retailer 13HK$17,752 HKD
NZ JewellersHK$23,638 HKD

41 data points across 17 retailers

15 retailersHK$9,248 HKD to HK$23,638 HKD

A
Cheapest Retailer
-
HK$9,248 HKD
A
Retailer 2
-
HK$9,279 HKD
View
A
Retailer 3
-
HK$9,287 HKD
View
Retailer 4
-
HK$9,695 HKD
View
Price last confirmed 9 days ago
A
Retailer 5
-
HK$9,695 HKD
View
A
Retailer 6
-
HK$10,063 HKD
View
A
Retailer 7
-
HK$10,071 HKD
View
A
Retailer 8
-
HK$10,126 HKD
View
B+
Retailer 9
-
HK$10,745 HKD
View
B+
Retailer 10
-
HK$11,145 HKD
View
B+
Retailer 11
-
HK$11,184 HKD
View
Retailer 12
-
HK$11,827 HKD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
HK$13,480 HKD
View
B+
Retailer 14
-
HK$17,752 HKD
View
Most Expensive
B
NZ Jewellers
0d51d9f8-e1d2-4c0d-a64e-38ef3143801b · Nov 3
HK$23,638 HKD
$3,016 USD
View
14 more retailers have this diamond
Prices start from HK$9,248 HKDSave up to HK$14,389 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
1.00ct Radiant
HK$9,248 HKD