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Cushion|Natural|IGI

1.00ct K SI1 Cushion Natural Diamond

GD • K/SI1 • IGI 270773253

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 270773253

Diamond specifications and retailer prices

From €920 EUR
As of November 5, 2026
Save €1,017 EUR (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,937 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 270773253. Listed at 10 retailers as of November 4, 2026, with prices from €920 to €1,937, a €1,017 spread on the same certified stone. MOH London lists it at €1,937. 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
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 270773253
Dimensions5.91 × 5.78 × 4.01 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
5.91 mm5.78 mm1.00 ctK / SI1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI 270773253
Side View
Table 64.5%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 69.4%

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 5
Current: €1,937 EUR|Low: €920 EUR|High: €1,966 EUR|Avg: €1,212 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8€920 EUR
Retailer 10€923 EUR
Retailer 5€927 EUR
Retailer 6€960 EUR
Retailer 7€1,066 EUR
Retailer 3€1,210 EUR
Retailer 4€1,293 EUR
Retailer 2€1,336 EUR
Retailer 9€1,465 EUR
MOH London€1,937 EUR

43 data points across 10 retailers

10 retailers€920 EUR to €1,937 EUR

B+
Cheapest Retailer
-
€920 EUR
B+
Retailer 2
-
€923 EUR
View
B+
Retailer 3
-
€927 EUR
View
Retailer 4
-
€960 EUR
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€1,066 EUR
View
B+
Retailer 6
-
€1,210 EUR
View
B+
Retailer 7
-
€1,293 EUR
View
B
Retailer 8
-
€1,336 EUR
View
B
Retailer 9
-
€1,465 EUR
View
Most Expensive
B
MOH London
FADB9622D · Nov 4
€1,937 EUR
£1,703 GBP
View
9 more retailers have this diamond
Prices start from €920 EURSave up to €1,017 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
€920 EUR