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Round|Natural|GIA

1.03ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6435443395

Certificate GIA 6435443395

Diamond specifications and retailer prices

From €1,293 EUR
As of October 31, 2026
Save €3,076 EUR (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,369 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6435443395. Listed at 18 retailers as of October 31, 2026, with prices from €1,293 to €4,369, a €3,076 spread on the same certified stone. NZ Jewellers lists it at €4,369. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6435443395
Dimensions6.53 × 6.50 × 3.99 mm
L/W Ratio1.00
Top View
6.53 mm6.50 mm1.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435443395
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.3%

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: €1,810 EUR|Low: €1,288 EUR|High: €3,175 EUR|Avg: €1,847 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7€1,293 EUR
Retailer 8€1,300 EUR
Retailer 10€1,619 EUR
Retailer 2€1,654 EUR
Retailer 11€1,666 EUR
Retailer 9€1,708 EUR
Retailer 1€1,810 EUR
Retailer 3€1,874 EUR
Retailer 4€1,923 EUR
Retailer 6€2,186 EUR
Retailer 5€3,129 EUR

44 data points across 11 retailers

18 retailers€1,293 EUR to €4,369 EUR

A
Cheapest Retailer
-
€1,293 EUR
A
Retailer 2
-
€1,300 EUR
View
A
Retailer 3
-
€1,571 EUR
View
A
Retailer 4
-
€1,619 EUR
View
A
Retailer 5
-
€1,654 EUR
View
Final sale: no returns
A
Retailer 6
-
€1,666 EUR
View
A
Retailer 7
-
€1,708 EUR
View
A
Retailer 8
-
€1,753 EUR
View
A
Retailer 9
-
€1,792 EUR
View
Retailer 10
-
€1,792 EUR
View
Price last confirmed 8 days ago
A
Retailer 11
-
€1,810 EUR
View
A
Retailer 12
-
€1,874 EUR
View
A
Retailer 13
-
€1,914 EUR
View
A
Retailer 14
-
€1,923 EUR
View
B+
Retailer 15
-
€2,067 EUR
View
A
Retailer 16
-
€2,186 EUR
View
B+
Retailer 17
-
€3,129 EUR
View
Most Expensive
B
NZ Jewellers
ae6a3d35-d18a-4c9c-8b6a-2d89eccf02e4 · Nov 5
€4,369 EUR
$4,904 USD
View
17 more retailers have this diamond
Prices start from €1,293 EURSave up to €3,076 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
€1,293 EUR