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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 €7,453 EUR
As of November 6, 2026
Save €2,838 EUR (28%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €10,291 EUR 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 €7,453 to €10,291, a €2,838 spread on the same certified stone. Jared lists it at €10,291. 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: €10,291 EUR|Low: €7,453 EUR|High: €10,291 EUR|Avg: €8,957 EUR
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 7€7,453 EUR
Retailer 6€7,541 EUR
Retailer 4€7,836 EUR
Retailer 9€8,063 EUR
Retailer 12€8,148 EUR
Retailer 2€8,757 EUR
Retailer 8€9,421 EUR
Retailer 3€9,767 EUR
Retailer 10€9,960 EUR
Retailer 11€9,960 EUR
Retailer 5€10,146 EUR
Jared€10,291 EUR

21 data points across 12 retailers

13 retailers€7,453 EUR to €10,291 EUR

B+
Cheapest Retailer
-
€7,453 EUR
Retailer 2
-
€7,541 EUR
View
Price last confirmed 17 days ago
B
Retailer 3
-
€7,836 EUR
View
B
Retailer 4
-
€7,937 EUR
View
B
Retailer 5
-
€8,063 EUR
View
B
Retailer 6
-
€8,148 EUR
View
B
Retailer 7
-
€8,757 EUR
View
B
Retailer 8
-
€9,421 EUR
View
B
Retailer 9
-
€9,767 EUR
View
B
Retailer 10
-
€9,960 EUR
View
B
Retailer 11
-
€9,960 EUR
View
B
Retailer 12
-
€10,146 EUR
View
Most Expensive
B
Jared
146253509 · Nov 6
€10,291 EUR
$11,490 USD
View
12 more retailers have this diamond
Prices start from €7,453 EURSave up to €2,838 EUR

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
€7,453 EUR