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Radiant|Natural|GIA

1.00ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6552945890

Certificate GIA 6552945890

Diamond specifications and retailer prices

From €862 EUR
As of November 6, 2026
Save €1,962 EUR (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,824 EUR 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552945890. Listed at 14 retailers as of November 5, 2026, with prices from €862 to €2,824, a €1,962 spread on the same certified stone. NZ Jewellers lists it at €2,824. 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

1.00
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552945890
Dimensions7.06 × 5.04 × 3.31 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Knot, Needle
Top View
7.06 mm5.04 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552945890
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €2,824 EUR|Low: €862 EUR|High: €2,897 EUR|Avg: €1,485 EUR|-2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 5€862 EUR
Retailer 9€1,073 EUR
Retailer 8€1,158 EUR
Retailer 4€1,172 EUR
Retailer 12€1,202 EUR
Retailer 6€1,278 EUR
Retailer 2€1,309 EUR
Retailer 3€1,335 EUR
Retailer 7€1,497 EUR
Retailer 11€1,781 EUR
Retailer 10€2,114 EUR
NZ Jewellers€2,824 EUR

27 data points across 12 retailers

14 retailers€862 EUR to €2,824 EUR

A
Cheapest Retailer
-
€862 EUR
A
Retailer 2
-
€1,073 EUR
View
A
Retailer 3
-
€1,158 EUR
View
Retailer 4
-
€1,172 EUR
View
Price last confirmed 9 days ago
A
Retailer 5
-
€1,202 EUR
View
A
Retailer 6
-
€1,278 EUR
View
A
Retailer 7
-
€1,309 EUR
View
Retailer 8
-
€1,317 EUR
View
Price last confirmed 39 days ago
A
Retailer 9
-
€1,335 EUR
View
Retailer 10
-
€1,421 EUR
View
Price last confirmed 62 days ago
B+
Retailer 11
-
€1,497 EUR
View
B+
Retailer 12
-
€1,781 EUR
View
B
Retailer 13
-
€2,114 EUR
View
Most Expensive
B
NZ Jewellers
99df62bf-74a2-4c17-adba-a6788f87d649 · Nov 5
€2,824 EUR
$3,153 USD
View
13 more retailers have this diamond
Prices start from €862 EURSave up to €1,962 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
1.00ct Radiant
€862 EUR