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Radiant|Natural|GIA

1.03ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 5556739700

Certificate GIA 5556739700

Diamond specifications and retailer prices

From €1,583 EUR
As of November 6, 2026
Save €334 EUR (17%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,917 EUR at Jared · As of November 6, 2026
View at Jared

About this 1.03ct natural radiant diamond

This 1.03ct natural radiant sits in the classic one-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 5556739700. Listed at 7 retailers as of November 6, 2026, with prices from €1,583 to €1,917, a €334 spread on the same certified stone. Jared lists it at €1,917. 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

1.03
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556739700
Dimensions6.90 × 5.00 × 3.37 mm
L/W Ratio1.38
Culet sizeNone
Key to symbols
Feather, Needle, Pinpoint, Cloud
Top View
6.90 mm5.00 mm1.03 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556739700
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.4%

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: €1,917 EUR|Low: €1,583 EUR|High: €1,988 EUR|Avg: €1,811 EUR|-3.6%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 3€1,583 EUR
Retailer 7€1,670 EUR
Retailer 5€1,746 EUR
Retailer 6€1,808 EUR
Retailer 2€1,854 EUR
Retailer 4€1,854 EUR
Jared€1,917 EUR

11 data points across 7 retailers

7 retailers€1,583 EUR to €1,917 EUR

A
Cheapest Retailer
-
€1,583 EUR
A
Retailer 2
-
€1,670 EUR
View
A
Retailer 3
-
€1,746 EUR
View
A
Retailer 4
-
€1,808 EUR
View
A
Retailer 5
-
€1,854 EUR
View
A
Retailer 6
-
€1,854 EUR
View
Most Expensive
B+
Jared
159946342 · Nov 6
€1,917 EUR
$2,140 USD
View
6 more retailers have this diamond
Prices start from €1,583 EURSave up to €334 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.

A
1.03ct Radiant
€1,583 EUR