Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2397210978

Certificate GIA 2397210978

Diamond specifications and retailer prices

From €5,609 EUR
As of November 4, 2026
Save €3,534 EUR (39%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €12,535 EUR at NZ Jewellers · As of November 5, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2397210978. Listed at 22 retailers as of November 4, 2026, with a 63% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2397210978
Dimensions6.56 × 6.54 × 4.01 mm
L/W Ratio1.00
Top View
6.56 mm6.54 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2397210978
Side View
Table 56.0%CrownGirdle: ThinPavilionCulet: NoneDepth 61.2%

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 4
Current: €6,958 EUR|Low: €5,223 EUR|High: €10,570 EUR|Avg: €7,425 EUR|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6€5,609 EUR
Retailer 10€6,187 EUR
Retailer 8€6,268 EUR
Retailer 9€6,894 EUR
Retailer 1€6,958 EUR
Retailer 7€7,188 EUR
Retailer 2€7,425 EUR
Retailer 4€7,720 EUR
Retailer 3€9,143 EUR
Retailer 5€10,416 EUR

44 data points across 10 retailers

22 retailers€5,609 EUR to €9,143 EUR

B+
Cheapest Retailer
-
€5,609 EUR
B
Retailer 2
-
€5,666 EUR
View
B
Retailer 3
-
€5,921 EUR
View
B
Retailer 4
-
€6,187 EUR
View
B
Retailer 5
-
€6,268 EUR
View
B
Retailer 6
-
€6,268 EUR
View
Final sale: no returns
Retailer 7
-
€6,268 EUR
View
Price last confirmed 8 days ago
B
Retailer 8
-
€6,790 EUR
View
B
Retailer 9
-
€6,894 EUR
View
B
Retailer 10
-
€6,958 EUR
View
Retailer 11
-
€7,188 EUR
View
Price last confirmed 15 days ago
B
Retailer 12
-
€7,425 EUR
View
B
Retailer 13
-
€7,484 EUR
View
B
Retailer 14
-
€7,484 EUR
View
B
Retailer 15
-
€7,720 EUR
View
B
Retailer 16
-
€7,834 EUR
View
Retailer 17
-
€8,255 EUR
View
Price last confirmed 14 days ago
B
Retailer 18
-
€8,357 EUR
View
B
Retailer 19
-
€9,143 EUR
View
Retailer 20
-
€10,416 EUR
View
Price under review
Retailer 21
-
€11,542 EUR
View
Price under review
Most Expensive
NZ Jewellers
737a6a91-b54b-421c-9286-5a8cb41be8d6 · Nov 5
€12,535 EUR
$14,069 USD
View
Price under review
21 more retailers have this diamond
Prices start from €5,609 EURSave up to €3,534 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
€5,609 EUR