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Cushion|Natural|GIA

1.30ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2556450159

Certificate GIA 2556450159

Diamond specifications and retailer prices

From €3,679 EUR
As of November 6, 2026
Save €3,944 EUR (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €7,623 EUR at MOH London · As of November 7, 2026
View at MOH London

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556450159. Listed at 20 retailers as of November 6, 2026, with prices from €3,679 to €7,623, a €3,944 spread on the same certified stone. MOH London lists it at €7,623. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.67°
Pavilion angle53.38°
OriginNatural
Grading LabGIA
CertificateGIA 2556450159
Dimensions7.93 × 5.64 × 3.89 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.93 mm5.64 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556450159
Side View
Table 66.0%Crown 32.67°Girdle: MED-THKPavilion 53.38°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €7,623 EUR|Low: €3,679 EUR|High: €7,757 EUR|Avg: €4,899 EUR|-1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 10€3,679 EUR
Retailer 7€3,687 EUR
Retailer 12€4,072 EUR
Retailer 3€4,213 EUR
Retailer 11€4,406 EUR
Retailer 4€4,441 EUR
Retailer 6€4,661 EUR
Retailer 2€4,699 EUR
Retailer 8€5,414 EUR
Retailer 9€5,871 EUR
Retailer 5€6,061 EUR
MOH London€7,623 EUR

29 data points across 12 retailers

20 retailers€3,679 EUR to €7,623 EUR

B+
Cheapest Retailer
-
€3,679 EUR
A
Retailer 2
-
€3,687 EUR
View
B+
Retailer 3
-
€4,072 EUR
View
B+
Retailer 4
-
€4,084 EUR
View
B+
Retailer 5
-
€4,197 EUR
View
B
Retailer 6
-
€4,406 EUR
View
B
Retailer 7
-
€4,441 EUR
View
Final sale: no returns
B+
Retailer 8
-
€4,510 EUR
View
B+
Retailer 9
-
€4,661 EUR
View
Retailer 10
-
€4,674 EUR
View
Price last confirmed 22 days ago
B+
Retailer 11
-
€4,699 EUR
View
B
Retailer 12
-
€4,819 EUR
View
Retailer 13
-
€4,851 EUR
View
Price last confirmed 29 days ago
B
Retailer 14
-
€4,949 EUR
View
B
Retailer 15
-
€5,039 EUR
View
B
Retailer 16
-
€5,414 EUR
View
B
Retailer 17
-
€5,871 EUR
View
Retailer 18
-
€6,061 EUR
View
B
Retailer 19
-
€7,172 EUR
View
Most Expensive
B
MOH London
6D236D827 · Nov 7
€7,623 EUR
£6,702 GBP
View
19 more retailers have this diamond
Prices start from €3,679 EURSave up to €3,944 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
€3,679 EUR