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Cushion|Natural|GIA

1.00ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 7558661636

Certificate GIA 7558661636

Diamond specifications and retailer prices

From €803 EUR
As of November 6, 2026
Save €1,181 EUR (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,984 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 J 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 7558661636. Listed at 14 retailers as of November 4, 2026, with prices from €803 to €1,984, a €1,181 spread on the same certified stone. MOH London lists it at €1,984. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558661636
Dimensions5.61 × 5.29 × 3.91 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Pinpoint
Top View
5.61 mm5.29 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558661636
Side View
Table 63.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 73.9%

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: €1,984 EUR|Low: €808 EUR|High: €2,008 EUR|Avg: €1,262 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2€808 EUR
Retailer 11€1,001 EUR
Retailer 9€1,043 EUR
Retailer 10€1,086 EUR
Retailer 8€1,095 EUR
Retailer 5€1,121 EUR
Retailer 6€1,219 EUR
Retailer 7€1,325 EUR
Retailer 3€1,420 EUR
Retailer 4€1,509 EUR
MOH London€1,984 EUR

35 data points across 11 retailers

14 retailers€803 EUR to €1,984 EUR

A
Cheapest Retailer
-
€803 EUR
A
Retailer 2
-
€808 EUR
View
A
Retailer 3
-
€1,001 EUR
View
Final sale: no returns
B+
Retailer 4
-
€1,040 EUR
View
A
Retailer 5
-
€1,043 EUR
View
Retailer 6
-
€1,086 EUR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€1,095 EUR
View
B+
Retailer 8
-
€1,121 EUR
View
B+
Retailer 9
-
€1,206 EUR
View
B+
Retailer 10
-
€1,219 EUR
View
B+
Retailer 11
-
€1,325 EUR
View
Retailer 12
-
€1,420 EUR
View
Price last confirmed 34 days ago
B+
Retailer 13
-
€1,509 EUR
View
Most Expensive
B
MOH London
73F05D08F · Nov 4
€1,984 EUR
£1,744 GBP
View
13 more retailers have this diamond
Prices start from €803 EURSave up to €1,181 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
€803 EUR