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Radiant|Natural|GIA

1.58ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6442407151

Certificate GIA 6442407151

Diamond specifications and retailer prices

From HK$65,215 HKD
As of November 6, 2026
Save HK$24,837 HKD (28%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$90,052 HKD at Jared · As of November 6, 2026
View at Jared

About this 1.58ct natural radiant diamond

This 1.58ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6442407151. Listed at 13 retailers as of November 6, 2026, with prices from HK$65,215 to HK$90,052, a HK$24,837 spread on the same certified stone. Jared lists it at HK$90,052. 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

1.58
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.74°
Pavilion angle61.44°
OriginNatural
Grading LabGIA
CertificateGIA 6442407151
Dimensions7.62 × 5.95 × 4.11 mm
L/W Ratio1.28
Top View
7.62 mm5.95 mm1.58 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6442407151
Side View
Table 66.0%Crown 45.74°Girdle: STK-THKPavilion 61.44°Culet: NoneDepth 69.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$90,052 HKD|Low: HK$65,215 HKD|High: HK$90,052 HKD|Avg: HK$78,378 HKD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7HK$65,215 HKD
Retailer 6HK$65,991 HKD
Retailer 4HK$68,569 HKD
Retailer 9HK$70,552 HKD
Retailer 12HK$71,297 HKD
Retailer 2HK$76,626 HKD
Retailer 8HK$82,434 HKD
Retailer 3HK$85,467 HKD
Retailer 10HK$87,152 HKD
Retailer 11HK$87,152 HKD
Retailer 5HK$88,782 HKD
JaredHK$90,052 HKD

21 data points across 12 retailers

13 retailersHK$65,215 HKD to HK$90,052 HKD

B+
Cheapest Retailer
-
HK$65,215 HKD
Retailer 2
-
HK$65,991 HKD
View
Price last confirmed 17 days ago
B
Retailer 3
-
HK$68,569 HKD
View
B
Retailer 4
-
HK$69,455 HKD
View
B
Retailer 5
-
HK$70,552 HKD
View
B
Retailer 6
-
HK$71,297 HKD
View
B
Retailer 7
-
HK$76,626 HKD
View
B
Retailer 8
-
HK$82,434 HKD
View
B
Retailer 9
-
HK$85,467 HKD
View
B
Retailer 10
-
HK$87,152 HKD
View
B
Retailer 11
-
HK$87,152 HKD
View
B
Retailer 12
-
HK$88,782 HKD
View
Most Expensive
B
Jared
146253509 · Nov 6
HK$90,052 HKD
$11,490 USD
View
12 more retailers have this diamond
Prices start from HK$65,215 HKDSave up to HK$24,837 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.

B+
1.58ct Radiant
HK$65,215 HKD