Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2183738130

Certificate GIA 2183738130

Diamond specifications and retailer prices

From €2,740 EUR
As of October 31, 2026
Save €3,222 EUR (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €6,211 EUR at NZ Jewellers · As of September 21, 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 2183738130. Listed at 23 retailers as of October 31, 2026, with a 118% 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
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2183738130
Dimensions6.56 × 6.52 × 3.95 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle, Indented Natural
Top View
6.56 mm6.52 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2183738130
Side View
Table 60.0%Crown 35°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 60.4%

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: Oct 31
Current: €3,912 EUR|Low: €2,341 EUR|High: €6,034 EUR|Avg: €3,822 EUR|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 3€2,758 EUR
Retailer 5€2,810 EUR
Retailer 11€2,981 EUR
Retailer 2€3,460 EUR
Retailer 9€3,513 EUR
Retailer 6€3,623 EUR
Retailer 12€3,779 EUR
Retailer 1€3,912 EUR
Retailer 10€4,084 EUR
Retailer 8€4,382 EUR
Retailer 4€5,151 EUR
Retailer 7€5,961 EUR

33 data points across 12 retailers

23 retailers€2,740 EUR to €5,961 EUR

A
Cheapest Retailer
-
€2,740 EUR
A
Retailer 2
-
€2,758 EUR
View
A
Retailer 3
-
€2,786 EUR
View
A
Retailer 4
-
€2,810 EUR
View
A
Retailer 5
-
€2,867 EUR
View
B+
Retailer 6
-
€2,962 EUR
View
Retailer 7
-
€3,019 EUR
View
Price last confirmed 82 days ago
B+
Retailer 8
-
€3,101 EUR
View
Retailer 9
-
€3,230 EUR
View
Price last confirmed 44 days ago
B+
Retailer 10
-
€3,232 EUR
View
Retailer 11
-
€3,304 EUR
View
Price last confirmed 14 days ago
B+
Retailer 12
-
€3,460 EUR
View
B+
Retailer 13
-
€3,513 EUR
View
B+
Retailer 14
-
€3,623 EUR
View
Retailer 15
-
€3,727 EUR
View
Price last confirmed 45 days ago
Retailer 16
-
€3,779 EUR
View
Price last confirmed 38 days ago
B+
Retailer 17
-
€3,811 EUR
View
B+
Retailer 18
-
€3,912 EUR
View
B+
Retailer 19
-
€4,084 EUR
View
B+
Retailer 20
-
€4,382 EUR
View
Retailer 21
-
€5,151 EUR
View
Price last confirmed 11 days ago
B
Retailer 22
-
€5,961 EUR
View
Most Expensive
NZ Jewellers
8363590a-6b36-4b83-82ef-8c882ce3cade · Sep 21
€6,211 EUR
$6,971 USD
View
Price last confirmed 45 days ago
22 more retailers have this diamond
Prices start from €2,740 EURSave up to €3,222 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
1.03ct Round
€2,740 EUR