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Round|Natural|GIA

1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 3555313511

Certificate GIA 3555313511

Diamond specifications and retailer prices

From €3,077 EUR
$3,451 USD
As of November 1, 2026
Save €3,015 EUR (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €6,092 EUR at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555313511. Listed at 14 retailers as of November 1, 2026, with prices from €3,077 to €6,092, a €3,015 spread on the same certified stone. NZ Jewellers lists it at €6,092. 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

1.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3555313511
Dimensions6.44 × 6.48 × 4.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.44 mm6.48 mm1.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555313511
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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 1
Current: €3,942 EUR|Low: €2,958 EUR|High: €5,919 EUR|Avg: €3,869 EUR|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9€3,077 EUR
Retailer 6€3,227 EUR
Retailer 8€3,339 EUR
Retailer 2€3,364 EUR
Retailer 7€3,749 EUR
Retailer 1€3,942 EUR
Retailer 5€4,003 EUR
Retailer 4€4,298 EUR
Retailer 3€5,848 EUR

44 data points across 9 retailers

14 retailers€3,077 EUR to €6,092 EUR

B+
Cheapest Retailer
-
€3,077 EUR
$3,451 USD
B+
Retailer 2
-
€3,173 EUR
$3,559 USD
View
B+
Retailer 3
-
€3,227 EUR
$3,619 USD
View
Final sale: no returns
B+
Retailer 4
-
€3,339 EUR
$3,745 USD
View
B+
Retailer 5
-
€3,364 EUR
£2,971 GBP
View
B+
Retailer 6
-
€3,497 EUR
$3,922 USD
View
B+
Retailer 7
-
€3,497 EUR
$3,922 USD
View
Retailer 8
-
€3,749 EUR
A$6,470 AUD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
€3,942 EUR
View
B+
Retailer 10
-
€4,003 EUR
£3,535 GBP
View
B
Retailer 11
-
€4,034 EUR
$4,525 USD
View
B
Retailer 12
-
€4,298 EUR
ZAR 77,882 ZAR
View
B
Retailer 13
-
€5,848 EUR
£5,165 GBP
View
Most Expensive
B
NZ Jewellers
d7a31d5f-94ce-4b5e-be25-37c40f38f9f7 · Nov 2
€6,092 EUR
$6,833 USD
View
13 more retailers have this diamond
Prices start from €3,077 EURSave up to €3,015 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+
1.03ct Round
€3,077 EUR