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Cushion|Natural|GIA

1.00ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 6425709135

Certificate GIA 6425709135

Diamond specifications and retailer prices

From €1,047 EUR
As of November 6, 2026
Save €1,078 EUR (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,125 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6425709135. Listed at 10 retailers as of November 4, 2026, with prices from €1,047 to €2,125, a €1,078 spread on the same certified stone. MOH London lists it at €2,125. 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

1.00
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6425709135
Dimensions5.48 × 5.41 × 3.74 mm
L/W Ratio1.01
Top View
5.48 mm5.41 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6425709135
Side View
Table 57.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 69.1%

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: €2,125 EUR|Low: €1,047 EUR|High: €2,156 EUR|Avg: €1,291 EUR|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7€1,047 EUR
Retailer 2€1,064 EUR
Retailer 8€1,073 EUR
Retailer 10€1,077 EUR
Retailer 3€1,144 EUR
Retailer 6€1,163 EUR
Retailer 9€1,240 EUR
Retailer 5€1,307 EUR
Retailer 4€1,614 EUR
MOH London€2,125 EUR

29 data points across 10 retailers

10 retailers€1,047 EUR to €2,125 EUR

A
Cheapest Retailer
-
€1,047 EUR
A
Retailer 2
-
€1,064 EUR
View
A
Retailer 3
-
€1,073 EUR
View
Final sale: no returns
A
Retailer 4
-
€1,077 EUR
View
A
Retailer 5
-
€1,144 EUR
View
Retailer 6
-
€1,163 EUR
View
Price last confirmed 9 days ago
A
Retailer 7
-
€1,240 EUR
View
A
Retailer 8
-
€1,307 EUR
View
B+
Retailer 9
-
€1,614 EUR
View
Most Expensive
B+
MOH London
F1C310B20 · Nov 4
€2,125 EUR
£1,868 GBP
View
9 more retailers have this diamond
Prices start from €1,047 EURSave up to €1,078 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
1.00ct Cushion
€1,047 EUR