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Cushion|Natural|GIA

1.00ct G SI2 Cushion Natural Diamond

VG • G/SI2 • GIA 1528811405

Certificate GIA 1528811405

Diamond specifications and retailer prices

From €983 EUR
As of November 6, 2026
Save €1,332 EUR (58%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,316 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1528811405. Listed at 12 retailers as of November 2, 2026, with prices from €983 to €2,316, a €1,332 spread on the same certified stone. MOH London lists it at €2,316. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1528811405
Dimensions6.80 × 5.22 × 3.52 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural
Top View
6.80 mm5.22 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528811405
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.5%

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 6
Current: €2,316 EUR|Low: €983 EUR|High: €2,406 EUR|Avg: €1,424 EUR|-3.7%
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€983 EUR
Retailer 10€1,037 EUR
Retailer 11€1,159 EUR
Retailer 9€1,224 EUR
Retailer 4€1,300 EUR
Retailer 8€1,393 EUR
Retailer 3€1,443 EUR
Retailer 6€1,459 EUR
Retailer 7€1,463 EUR
Retailer 5€1,831 EUR
MOH London€2,316 EUR

22 data points across 11 retailers

12 retailers€983 EUR to €2,316 EUR

A
Cheapest Retailer
-
€983 EUR
A
Retailer 2
-
€1,037 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,159 EUR
View
A
Retailer 4
-
€1,224 EUR
View
A
Retailer 5
-
€1,300 EUR
View
A
Retailer 6
-
€1,393 EUR
View
A
Retailer 7
-
€1,443 EUR
View
A
Retailer 8
-
€1,454 EUR
View
A
Retailer 9
-
€1,459 EUR
View
A
Retailer 10
-
€1,463 EUR
View
B+
Retailer 11
-
€1,831 EUR
View
Most Expensive
B+
MOH London
063664E99 · Nov 2
€2,316 EUR
£2,036 GBP
View
11 more retailers have this diamond
Prices start from €983 EURSave up to €1,332 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
€983 EUR