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Radiant|Natural|GIA

1.00ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 5553916188

Certificate GIA 5553916188

Diamond specifications and retailer prices

From €2,227 EUR
As of November 5, 2026
Save €2,911 EUR (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,138 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 5553916188. Listed at 15 retailers as of November 5, 2026, with prices from €2,227 to €5,138, a €2,911 spread on the same certified stone. NZ Jewellers lists it at €5,138. 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 5553916188
Dimensions7.20 × 4.77 × 3.28 mm
L/W Ratio1.51
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle
Top View
7.20 mm4.77 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553916188
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €5,138 EUR|Low: €1,696 EUR|High: €5,138 EUR|Avg: €2,661 EUR|+1.0%
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
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 7€1,970 EUR
Retailer 8€2,012 EUR
Retailer 6€2,036 EUR
Retailer 17€2,227 EUR
Retailer 19€2,227 EUR
Retailer 11€2,288 EUR
Retailer 18€2,330 EUR
Retailer 10€2,338 EUR
Retailer 12€2,376 EUR
Retailer 2€2,384 EUR
Retailer 20€2,423 EUR
Retailer 3€2,553 EUR
Retailer 4€2,553 EUR
Retailer 16€2,569 EUR
Retailer 5€2,642 EUR
Retailer 9€2,808 EUR
Retailer 13€2,861 EUR
Retailer 14€3,000 EUR
Retailer 15€4,294 EUR
NZ Jewellers€5,138 EUR

33 data points across 20 retailers

15 retailers€2,227 EUR to €5,138 EUR

Retailer 1
-
€1,970 EUR
Price last confirmed 10 days ago
B+
Retailer 2
-
€2,227 EUR
View
B+
Retailer 3
-
€2,330 EUR
View
B+
Retailer 4
-
€2,338 EUR
View
B+
Retailer 5
-
€2,384 EUR
View
B
Retailer 6
-
€2,423 EUR
View
B+
Retailer 7
-
€2,553 EUR
View
B+
Retailer 8
-
€2,553 EUR
View
B+
Retailer 9
-
€2,569 EUR
View
B+
Retailer 10
-
€2,642 EUR
View
B
Retailer 11
-
€2,808 EUR
View
B+
Retailer 12
-
€2,861 EUR
View
B
Retailer 13
-
€3,000 EUR
View
B
Retailer 14
-
€4,294 EUR
View
Most Expensive
B
NZ Jewellers
e9445e1d-72ce-47f2-a50c-5724d35f6777 · Nov 5
€5,138 EUR
$5,736 USD
View
14 more retailers have this diamond
Prices start from €2,227 EURSave up to €2,911 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.

B+
1.00ct Radiant
€2,227 EUR