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Cushion|Natural|GIA

1.05ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 2235390877

Certificate GIA 2235390877

Diamond specifications and retailer prices

From €1,228 EUR
$1,377 USD
As of November 1, 2026
Save €1,334 EUR (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,561 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct 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 2235390877. Listed at 12 retailers as of November 1, 2026, with prices from €1,228 to €2,561, a €1,334 spread on the same certified stone. MOH London lists it at €2,561. 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

1.05
Carat
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2235390877
Dimensions6.08 × 5.45 × 3.74 mm
L/W Ratio1.12
Girdle conditionFaceted
Top View
6.08 mm5.45 mm1.05 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235390877
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.5%

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 1
Current: €2,561 EUR|Low: €1,232 EUR|High: €2,592 EUR|Avg: €1,716 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 6€1,232 EUR
Retailer 5€1,325 EUR
Retailer 7€1,364 EUR
Retailer 2€1,624 EUR
Retailer 4€1,908 EUR
Retailer 3€1,996 EUR
MOH London€2,561 EUR

44 data points across 7 retailers

12 retailers€1,228 EUR to €2,561 EUR

A
Cheapest Retailer
-
€1,228 EUR
$1,377 USD
A
Retailer 2
-
€1,232 EUR
$1,382 USD
View
A
Retailer 3
-
€1,267 EUR
A$2,187 AUD
View
A
Retailer 4
-
€1,278 EUR
$1,433 USD
View
B+
Retailer 5
-
€1,325 EUR
$1,486 USD
View
B+
Retailer 6
-
€1,364 EUR
$1,530 USD
View
B+
Retailer 7
-
€1,395 EUR
$1,565 USD
View
B+
Retailer 8
-
€1,602 EUR
$1,797 USD
View
B+
Retailer 9
-
€1,624 EUR
£1,435 GBP
View
Retailer 10
-
€1,908 EUR
A$3,292 AUD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
€1,996 EUR
View
Most Expensive
B
MOH London
FFDE4FBC7 · Nov 2
€2,561 EUR
£2,262 GBP
View
11 more retailers have this diamond
Prices start from €1,228 EURSave up to €1,334 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
1.05ct Cushion
€1,228 EUR