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Round|Natural|GIA

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1323995271

Certificate GIA 1323995271

Diamond specifications and retailer prices

From €1,364 EUR
As of November 6, 2026
Save €2,464 EUR (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,828 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1323995271. Listed at 19 retailers as of November 5, 2026, with prices from €1,364 to €3,828, a €2,464 spread on the same certified stone. NZ Jewellers lists it at €3,828. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1323995271
Dimensions6.44 × 6.42 × 4.04 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Needle
Top View
6.44 mm6.42 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1323995271
Side View
Table 58.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 62.8%

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 6
Current: €3,828 EUR|Low: €1,318 EUR|High: €4,378 EUR|Avg: €2,013 EUR|-12.6%
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 18€1,364 EUR
Retailer 19€1,469 EUR
Retailer 6€1,654 EUR
Retailer 12€1,663 EUR
Retailer 20€1,690 EUR
Retailer 2€1,728 EUR
Retailer 10€1,754 EUR
Retailer 9€1,827 EUR
Retailer 4€1,832 EUR
Retailer 11€1,832 EUR
Retailer 8€1,858 EUR
Retailer 13€1,889 EUR
Retailer 7€1,916 EUR
Retailer 3€1,954 EUR
Retailer 14€1,966 EUR
Retailer 5€2,113 EUR
Retailer 16€2,235 EUR
Retailer 15€2,480 EUR
Retailer 17€3,199 EUR
NZ Jewellers€3,828 EUR

33 data points across 20 retailers

19 retailers€1,364 EUR to €3,828 EUR

A
Cheapest Retailer
-
€1,364 EUR
A
Retailer 2
-
€1,469 EUR
View
B+
Retailer 3
-
€1,654 EUR
View
B+
Retailer 4
-
€1,690 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,728 EUR
View
B+
Retailer 6
-
€1,754 EUR
View
B+
Retailer 7
-
€1,827 EUR
View
Retailer 8
-
€1,832 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€1,832 EUR
View
B+
Retailer 10
-
€1,858 EUR
View
B+
Retailer 11
-
€1,889 EUR
View
B+
Retailer 12
-
€1,916 EUR
View
B+
Retailer 13
-
€1,954 EUR
View
B+
Retailer 14
-
€1,966 EUR
View
B
Retailer 15
-
€2,113 EUR
View
B
Retailer 16
-
€2,235 EUR
View
B
Retailer 17
-
€2,480 EUR
View
B
Retailer 18
-
€3,199 EUR
View
Most Expensive
B
NZ Jewellers
e7877a19-59e1-48f1-b0cc-a4a31e5e3b8e · Nov 5
€3,828 EUR
$4,274 USD
View
18 more retailers have this diamond
Prices start from €1,364 EURSave up to €2,464 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
€1,364 EUR