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Radiant|Natural|GIA

1.00ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6552780350

Certificate GIA 6552780350

Diamond specifications and retailer prices

From €1,652 EUR
As of November 6, 2026
Save €2,172 EUR (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,824 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 H 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 6552780350. Listed at 18 retailers as of November 5, 2026, with prices from €1,652 to €3,824, a €2,172 spread on the same certified stone. NZ Jewellers lists it at €3,824. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552780350
Dimensions6.59 × 4.94 × 3.39 mm
L/W Ratio1.33
Culet sizeNone
Key to symbols
Crystal, Indented Natural, Needle, Extra Facet
Top View
6.59 mm4.94 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552780350
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

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: €3,824 EUR|Low: €1,652 EUR|High: €3,824 EUR|Avg: €2,133 EUR
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 6€1,652 EUR
Retailer 4€1,682 EUR
Retailer 9€1,687 EUR
Retailer 11€1,774 EUR
Retailer 14€1,829 EUR
Retailer 17€1,829 EUR
Retailer 5€1,858 EUR
Retailer 10€1,913 EUR
Retailer 2€1,987 EUR
Retailer 3€2,017 EUR
Retailer 8€2,036 EUR
Retailer 16€2,110 EUR
Retailer 7€2,159 EUR
Retailer 13€2,232 EUR
Retailer 12€2,330 EUR
Retailer 15€3,196 EUR
NZ Jewellers€3,824 EUR

27 data points across 17 retailers

18 retailers€1,652 EUR to €3,824 EUR

A
Cheapest Retailer
-
€1,652 EUR
A
Retailer 2
-
€1,682 EUR
View
A
Retailer 3
-
€1,687 EUR
View
Final sale: no returns
A
Retailer 4
-
€1,774 EUR
View
Retailer 5
-
€1,829 EUR
View
Price last confirmed 9 days ago
A
Retailer 6
-
€1,829 EUR
View
A
Retailer 7
-
€1,858 EUR
View
A
Retailer 8
-
€1,913 EUR
View
B+
Retailer 9
-
€1,987 EUR
View
B+
Retailer 10
-
€2,017 EUR
View
B+
Retailer 11
-
€2,036 EUR
View
B+
Retailer 12
-
€2,110 EUR
View
B+
Retailer 13
-
€2,159 EUR
View
B+
Retailer 14
-
€2,232 EUR
View
Retailer 15
-
€2,315 EUR
View
Price last confirmed 33 days ago
B+
Retailer 16
-
€2,330 EUR
View
B
Retailer 17
-
€3,196 EUR
View
Most Expensive
B
NZ Jewellers
8ffe8412-8051-4d5c-843b-f63e5083e8d0 · Nov 5
€3,824 EUR
$4,269 USD
View
17 more retailers have this diamond
Prices start from €1,652 EURSave up to €2,172 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
€1,652 EUR