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Radiant|Natural|GIA

1.05ct F SI2 Radiant Natural Diamond

ID • F/SI2 • GIA 6551511426

Certificate GIA 6551511426

Diamond specifications and retailer prices

From €1,347 EUR
HK$11,800 HKD
As of November 1, 2026
Save €2,891 EUR (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,238 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.05ct natural radiant diamond

This 1.05ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551511426. Listed at 13 retailers as of October 30, 2026, with prices from €1,347 to €4,238, a €2,891 spread on the same certified stone. NZ Jewellers lists it at €4,238. 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

1.05
Carat
F
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551511426
Dimensions7.29 × 5.01 × 3.45 mm
L/W Ratio1.46
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
7.29 mm5.01 mm1.05 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551511426
Side View
Table 66.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 68.8%

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 1
Current: €4,238 EUR|Low: €1,306 EUR|High: €4,238 EUR|Avg: €1,993 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
November 2, 2026
Retailer 7€1,347 EUR
Retailer 2€1,359 EUR
Retailer 11€1,604 EUR
Retailer 5€1,718 EUR
Retailer 10€1,738 EUR
Retailer 12€1,775 EUR
Retailer 9€1,817 EUR
Retailer 3€1,866 EUR
Retailer 4€1,902 EUR
Retailer 8€2,004 EUR
Retailer 6€3,044 EUR
NZ Jewellers€4,238 EUR

42 data points across 12 retailers

13 retailers€1,347 EUR to €4,238 EUR

A
Cheapest Retailer
-
€1,347 EUR
HK$11,800 HKD
A
Retailer 2
-
€1,359 EUR
₹145,149 INR
View
A
Retailer 3
-
€1,604 EUR
$1,799 USD
View
Final sale: no returns
A
Retailer 4
-
€1,718 EUR
£1,517 GBP
View
A
Retailer 5
-
€1,738 EUR
$1,949 USD
View
A
Retailer 6
-
€1,775 EUR
$1,991 USD
View
A
Retailer 7
-
€1,817 EUR
$2,038 USD
View
A
Retailer 8
-
€1,866 EUR
SGD 2,828 SGD
View
A
Retailer 9
-
€1,902 EUR
$2,133 USD
View
A
Retailer 10
-
€1,934 EUR
A$3,338 AUD
View
A
Retailer 11
-
€2,004 EUR
$2,248 USD
View
B+
Retailer 12
-
€3,044 EUR
£2,688 GBP
View
Most Expensive
B
NZ Jewellers
43c1ca4a-2d18-4d67-a624-6c6a5a43d327 · Oct 30
€4,238 EUR
$4,753 USD
View
12 more retailers have this diamond
Prices start from €1,347 EURSave up to €2,891 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
1.05ct Radiant
€1,347 EUR