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Cushion|Natural|GIA

1.00ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1226075838

Certificate GIA 1226075838

Diamond specifications and retailer prices

From €2,229 EUR
As of November 4, 2026
Save €2,619 EUR (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,848 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 1226075838. Listed at 19 retailers as of November 4, 2026, with prices from €2,229 to €4,848, a €2,619 spread on the same certified stone. MOH London lists it at €4,848. 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 1226075838
Dimensions5.93 × 5.72 × 3.84 mm
L/W Ratio1.04
Culet sizeNone
Top View
5.93 mm5.72 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1226075838
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €4,848 EUR|Low: €2,278 EUR|High: €4,920 EUR|Avg: €2,969 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8€2,278 EUR
Retailer 5€2,293 EUR
Retailer 9€2,473 EUR
Retailer 6€2,633 EUR
Retailer 7€2,843 EUR
Retailer 4€2,989 EUR
Retailer 3€3,189 EUR
Retailer 2€3,430 EUR
MOH London€4,848 EUR

43 data points across 9 retailers

19 retailers€2,229 EUR to €4,848 EUR

B+
Cheapest Retailer
-
€2,229 EUR
B
Retailer 2
-
€2,278 EUR
View
B+
Retailer 3
-
€2,293 EUR
View
B
Retailer 4
-
€2,329 EUR
View
B
Retailer 5
-
€2,357 EUR
View
B+
Retailer 6
-
€2,433 EUR
View
B
Retailer 7
-
€2,473 EUR
View
Retailer 8
-
€2,633 EUR
View
Price last confirmed 9 days ago
B
Retailer 9
-
€2,689 EUR
View
B
Retailer 10
-
€2,843 EUR
View
B
Retailer 11
-
€2,859 EUR
View
B
Retailer 12
-
€2,989 EUR
View
B
Retailer 13
-
€3,000 EUR
View
B
Retailer 14
-
€3,000 EUR
View
B
Retailer 15
-
€3,099 EUR
View
B
Retailer 16
-
€3,189 EUR
View
Retailer 17
-
€3,372 EUR
View
Price last confirmed 15 days ago
Retailer 18
-
€3,430 EUR
View
Most Expensive
B
MOH London
8A63291A6 · Nov 4
€4,848 EUR
£4,262 GBP
View
18 more retailers have this diamond
Prices start from €2,229 EURSave up to €2,619 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.

B+
1.00ct Cushion
€2,229 EUR