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Cushion|Natural|GIA

1.30ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 7426459003

Certificate GIA 7426459003

Diamond specifications and retailer prices

From €3,468 EUR
$3,875 USD
As of November 2, 2026
Save €3,810 EUR (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €7,279 EUR at MOH London · As of November 1, 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 G 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 7426459003. Listed at 11 retailers as of November 1, 2026, with prices from €3,468 to €7,279, a €3,810 spread on the same certified stone. MOH London lists it at €7,279. 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
G
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7426459003
Dimensions6.38 × 5.87 × 4.07 mm
L/W Ratio1.09
Top View
6.38 mm5.87 mm1.30 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7426459003
Side View
Table 63.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 69.2%

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 2
Current: €7,279 EUR|Low: €3,424 EUR|High: €7,366 EUR|Avg: €4,677 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7€3,468 EUR
Retailer 8€3,611 EUR
Retailer 5€4,140 EUR
Retailer 6€4,381 EUR
Retailer 3€4,562 EUR
Retailer 4€4,607 EUR
Retailer 2€5,170 EUR
MOH London€7,279 EUR

44 data points across 8 retailers

11 retailers€3,468 EUR to €7,279 EUR

A
Cheapest Retailer
-
€3,468 EUR
$3,875 USD
B+
Retailer 2
-
€3,611 EUR
$4,034 USD
View
B+
Retailer 3
-
€3,888 EUR
$4,344 USD
View
B+
Retailer 4
-
€4,111 EUR
$4,593 USD
View
B+
Retailer 5
-
€4,140 EUR
$4,625 USD
View
B
Retailer 6
-
€4,381 EUR
$4,895 USD
View
B+
Retailer 7
-
€4,562 EUR
£4,013 GBP
View
Retailer 8
-
€4,607 EUR
A$7,918 AUD
View
Price last confirmed 23 days ago
Retailer 9
-
€5,045 EUR
$5,636 USD
View
Price last confirmed 10 days ago
B
Retailer 10
-
€5,170 EUR
View
Most Expensive
B
MOH London
FB5C5F0BE · Nov 1
€7,279 EUR
£6,403 GBP
View
10 more retailers have this diamond
Prices start from €3,468 EURSave up to €3,810 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
€3,468 EUR