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Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6495897334

Certificate GIA 6495897334

Diamond specifications and retailer prices

From €4,139 EUR
As of November 4, 2026
Save €4,623 EUR (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €8,761 EUR at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6495897334. Listed at 19 retailers as of November 4, 2026, with prices from €4,139 to €8,761, a €4,623 spread on the same certified stone. NZ Jewellers lists it at €8,761. 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

1.30
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6495897334
Dimensions7.05 × 7.00 × 4.26 mm
L/W Ratio1.01
Top View
7.05 mm7.00 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6495897334
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

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: €6,531 EUR|Low: €3,651 EUR|High: €7,811 EUR|Avg: €5,452 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 10€4,187 EUR
Retailer 2€4,381 EUR
Retailer 3€4,746 EUR
Retailer 7€5,026 EUR
Retailer 5€5,041 EUR
Retailer 11€5,258 EUR
Retailer 4€5,571 EUR
Retailer 9€5,678 EUR
Retailer 8€6,391 EUR
Retailer 1€6,531 EUR
Retailer 6€7,677 EUR

44 data points across 11 retailers

19 retailers€4,139 EUR to €8,761 EUR

B+
Cheapest Retailer
-
€4,139 EUR
B+
Retailer 2
-
€4,187 EUR
View
B+
Retailer 3
-
€4,381 EUR
View
Final sale: no returns
B+
Retailer 4
-
€4,694 EUR
View
B+
Retailer 5
-
€4,746 EUR
View
B+
Retailer 6
-
€4,746 EUR
View
B+
Retailer 7
-
€4,746 EUR
View
B
Retailer 8
-
€5,023 EUR
View
B+
Retailer 9
-
€5,026 EUR
View
B
Retailer 10
-
€5,041 EUR
View
Retailer 11
-
€5,258 EUR
View
Price last confirmed 24 days ago
B
Retailer 12
-
€5,476 EUR
View
B
Retailer 13
-
€5,571 EUR
View
B
Retailer 14
-
€5,678 EUR
View
Retailer 15
-
€5,778 EUR
View
Price last confirmed 15 days ago
B
Retailer 16
-
€6,391 EUR
View
B
Retailer 17
-
€6,531 EUR
View
B
Retailer 18
-
€7,677 EUR
View
Most Expensive
B
NZ Jewellers
2398afd0-7ebc-4eb4-9b25-20f0c5f827fc · Nov 7
€8,761 EUR
$9,782 USD
View
18 more retailers have this diamond
Prices start from €4,139 EURSave up to €4,623 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+
1.30ct Round
€4,139 EUR