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Cushion|Natural|GIA

1.30ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 3545458575

Certificate GIA 3545458575

Diamond specifications and retailer prices

From €2,143 EUR
As of November 6, 2026
Save €1,938 EUR (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,082 EUR at With Clarity · As of November 6, 2026
View at With Clarity

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545458575. Listed at 6 retailers as of November 6, 2026, with prices from €2,143 to €4,082, a €1,938 spread on the same certified stone. With Clarity lists it at €4,082. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3545458575
Dimensions6.41 × 6.11 × 4.19 mm
L/W Ratio1.05
Top View
6.41 mm6.11 mm1.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545458575
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.6%

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: €2,588 EUR|Low: €2,143 EUR|High: €4,082 EUR|Avg: €3,082 EUR|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
November 5, 2026
Retailer 4€2,143 EUR
Retailer 5€2,580 EUR
Retailer 1€2,588 EUR
Retailer 3€3,036 EUR
Retailer 2€3,083 EUR
Retailer 6€3,353 EUR
Retailer 7€3,627 EUR
With Clarity€4,082 EUR

11 data points across 8 retailers

6 retailers€2,143 EUR to €4,082 EUR

A
Cheapest Retailer
-
€2,143 EUR
A
Retailer 2
-
€2,580 EUR
View
A
Retailer 3
-
€2,588 EUR
View
B+
Retailer 4
-
€3,036 EUR
View
B+
Retailer 5
-
€3,083 EUR
View
Most Expensive
B
With Clarity
3545458575 · Nov 6
€4,082 EUR
$4,557 USD
View
5 more retailers have this diamond
Prices start from €2,143 EURSave up to €1,938 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
1.30ct Cushion
€2,143 EUR