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Radiant|Natural|IGI

1.00ct I SI1 Radiant Natural Diamond

VG • I/SI1 • IGI 671474709

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

Certificate IGI 671474709

Diamond specifications and retailer prices

From HK$10,706 HKD
As of November 6, 2026
Save HK$17,587 HKD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$28,293 HKD at NZ Jewellers · As of November 5, 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 671474709. Listed at 18 retailers as of November 5, 2026, with prices from HK$10,706 to HK$28,293, a HK$17,587 spread on the same certified stone. NZ Jewellers lists it at HK$28,293. 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
FluorescenceNone
Crown angle39.6°
Pavilion angle34.2°
OriginNatural
Grading LabIGI
CertificateIGI 671474709
Dimensions7.27 × 5.24 × 3.22 mm
L/W Ratio1.39
Culet sizePointed
Top View
7.27 mm5.24 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671474709
Side View
Table 67.0%Crown 39.6°Girdle: THN-MEDPavilion 34.2°Culet: NoneDepth 61.5%

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$28,293 HKD|Low: HK$9,812 HKD|High: HK$28,293 HKD|Avg: HK$13,946 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3HK$10,706 HKD
Retailer 8HK$10,816 HKD
Retailer 5HK$11,247 HKD
Retailer 10HK$11,599 HKD
Retailer 9HK$12,132 HKD
Retailer 4HK$13,026 HKD
Retailer 11HK$13,386 HKD
Retailer 7HK$14,154 HKD
Retailer 6HK$16,059 HKD
Retailer 2HK$20,213 HKD
NZ JewellersHK$28,293 HKD

35 data points across 11 retailers

18 retailersHK$10,706 HKD to HK$28,293 HKD

B+
Cheapest Retailer
-
HK$10,706 HKD
Final sale: no returns
B+
Retailer 2
-
HK$10,753 HKD
View
A
Retailer 3
-
HK$10,816 HKD
View
A
Retailer 4
-
HK$11,090 HKD
View
A
Retailer 5
-
HK$11,247 HKD
View
Retailer 6
-
HK$11,599 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$11,599 HKD
View
B+
Retailer 8
-
HK$11,623 HKD
View
B+
Retailer 9
-
HK$12,109 HKD
View
B+
Retailer 10
-
HK$12,132 HKD
View
B+
Retailer 11
-
HK$12,344 HKD
View
B+
Retailer 12
-
HK$12,657 HKD
View
B+
Retailer 13
-
HK$13,026 HKD
View
B+
Retailer 14
-
HK$13,386 HKD
View
B+
Retailer 15
-
HK$14,154 HKD
View
B+
Retailer 16
-
HK$16,059 HKD
View
B
Retailer 17
-
HK$20,213 HKD
View
Most Expensive
C
NZ Jewellers
08cb3b54-3898-4cb8-b5ad-607dc928e373 · Nov 5
HK$28,293 HKD
$3,610 USD
View
17 more retailers have this diamond
Prices start from HK$10,706 HKDSave up to HK$17,587 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$10,706 HKD