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Radiant|Natural|GIA

1.00ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6551749682

Certificate GIA 6551749682

Diamond specifications and retailer prices

From €973 EUR
As of November 6, 2026
Save €2,214 EUR (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,187 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 6551749682. Listed at 14 retailers as of November 5, 2026, with prices from €973 to €3,187, a €2,214 spread on the same certified stone. NZ Jewellers lists it at €3,187. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551749682
Dimensions7.17 × 4.89 × 3.21 mm
L/W Ratio1.47
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
7.17 mm4.89 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551749682
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.5%

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: €3,187 EUR|Low: €973 EUR|High: €3,259 EUR|Avg: €1,569 EUR|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 6€973 EUR
Retailer 12€1,146 EUR
Retailer 10€1,211 EUR
Retailer 9€1,307 EUR
Retailer 5€1,321 EUR
Retailer 13€1,367 EUR
Retailer 4€1,393 EUR
Retailer 7€1,428 EUR
Retailer 2€1,442 EUR
Retailer 3€1,507 EUR
Retailer 8€1,688 EUR
Retailer 11€2,282 EUR
NZ Jewellers€3,187 EUR

27 data points across 13 retailers

14 retailers€973 EUR to €3,187 EUR

A
Cheapest Retailer
-
€973 EUR
A
Retailer 2
-
€1,146 EUR
View
A
Retailer 3
-
€1,211 EUR
View
A
Retailer 4
-
€1,307 EUR
View
Retailer 5
-
€1,321 EUR
View
Price last confirmed 9 days ago
A
Retailer 6
-
€1,367 EUR
View
A
Retailer 7
-
€1,393 EUR
View
A
Retailer 8
-
€1,428 EUR
View
B+
Retailer 9
-
€1,442 EUR
View
B+
Retailer 10
-
€1,507 EUR
View
Retailer 11
-
€1,610 EUR
View
Price last confirmed 62 days ago
B+
Retailer 12
-
€1,688 EUR
View
B
Retailer 13
-
€2,282 EUR
View
Most Expensive
B
NZ Jewellers
3cb63f75-0e16-4d84-870b-4af904ffe89a · Nov 5
€3,187 EUR
$3,558 USD
View
13 more retailers have this diamond
Prices start from €973 EURSave up to €2,214 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
€973 EUR