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Radiant|Natural|GIA

1.01ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 1558553561

Certificate GIA 1558553561

Diamond specifications and retailer prices

From €1,196 EUR
As of November 7, 2026
Save €1,829 EUR (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,025 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558553561. Listed at 11 retailers as of November 5, 2026, with prices from €1,196 to €3,025, a €1,829 spread on the same certified stone. NZ Jewellers lists it at €3,025. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1558553561
Dimensions7.01 × 5.06 × 3.19 mm
L/W Ratio1.39
Culet sizeNone
Top View
7.01 mm5.06 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1558553561
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.1%

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 7
Current: €3,025 EUR|Low: €1,196 EUR|High: €3,025 EUR|Avg: €1,605 EUR
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 3€1,196 EUR
Retailer 5€1,203 EUR
Retailer 8€1,240 EUR
Retailer 10€1,240 EUR
Retailer 11€1,297 EUR
Retailer 4€1,369 EUR
Retailer 9€1,431 EUR
Retailer 7€1,513 EUR
Retailer 6€1,720 EUR
Retailer 2€2,259 EUR
NZ Jewellers€3,025 EUR

31 data points across 11 retailers

11 retailers€1,196 EUR to €3,025 EUR

A
Cheapest Retailer
-
€1,196 EUR
A
Retailer 2
-
€1,203 EUR
View
A
Retailer 3
-
€1,240 EUR
View
Retailer 4
-
€1,240 EUR
View
Price last confirmed 9 days ago
A
Retailer 5
-
€1,297 EUR
View
A
Retailer 6
-
€1,369 EUR
View
B+
Retailer 7
-
€1,431 EUR
View
B+
Retailer 8
-
€1,513 EUR
View
B+
Retailer 9
-
€1,720 EUR
View
B
Retailer 10
-
€2,259 EUR
View
Most Expensive
B
NZ Jewellers
50dce42f-6da0-45b4-b750-9d7622e92e62 · Nov 5
€3,025 EUR
$3,377 USD
View
10 more retailers have this diamond
Prices start from €1,196 EURSave up to €1,829 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
1.01ct Radiant
€1,196 EUR