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Cushion|Natural|IGI

1.30ct E SI2 Cushion Natural Diamond

EX • E/SI2 • IGI 174

Certificate IGI 174

Diamond specifications and retailer prices

From €1,342 EUR
$1,499 USD
As of October 28, 2026
Save €1,061 EUR (44%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €2,403 EUR at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 28, 2026, with prices from €1,342 to €2,403, a €1,061 spread on the same certified stone. Helzberg Diamonds lists it at €2,403. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 174
Dimensions6.54 × 5.78 mm
L/W Ratio1.13
Top View
6.54 mm5.78 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 174
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCuletDepth 69.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: €2,403 EUR|Low: €1,342 EUR|High: €2,504 EUR|Avg: €1,909 EUR|-4.0%
Helzberg Diamonds
Retailer 2
October 28, 2026
Retailer 2€1,342 EUR
Helzberg Diamonds€2,403 EUR

5 data points across 2 retailers

2 retailers€1,342 EUR to €2,403 EUR

A
Cheapest Retailer
-
€1,342 EUR
$1,499 USD
Most Expensive
B+
Helzberg Diamonds
ZXZNPPMNLGPI · Oct 30
€2,403 EUR
$2,685 USD
View
1 more retailer has this diamond
Prices start from €1,342 EURSave up to €1,061 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
€1,342 EUR