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Cushion|Natural|IGI

1.00ct K SI2 Cushion Natural Diamond

VG • K/SI2 • IGI 689547657

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 689547657

Diamond specifications and retailer prices

From $1,307 CAD
As of October 31, 2026
Save $1,878 CAD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,185 CAD 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 689547657. Listed at 8 retailers as of October 31, 2026, with prices from $1,307 to $3,185, a $1,878 spread on the same certified stone. MOH London lists it at $3,185. 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
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.2°
Pavilion angle39.4°
OriginNatural
Grading LabIGI
CertificateIGI 689547657
Dimensions5.86 × 5.19 × 3.96 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Top View
5.86 mm5.19 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 689547657
Side View
Table 64.0%Crown 36.2°Girdle: MED-VTKPavilion 39.4°Culet: NoneDepth 76.3%

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: Oct 31
Current: $3,185 CAD|Low: $1,304 CAD|High: $3,232 CAD|Avg: $1,990 CAD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$1,307 CAD
Retailer 6$1,670 CAD
Retailer 5$1,743 CAD
Retailer 2$1,782 CAD
Retailer 7$1,788 CAD
Retailer 3$2,251 CAD
MOH London$3,185 CAD

44 data points across 7 retailers

8 retailers$1,307 CAD to $3,185 CAD

A
Cheapest Retailer
-
$1,307 CAD
B+
Retailer 2
-
$1,670 CAD
View
Retailer 3
-
$1,743 CAD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,782 CAD
View
B+
Retailer 5
-
$1,788 CAD
View
B+
Retailer 6
-
$1,933 CAD
View
B
Retailer 7
-
$2,251 CAD
View
Most Expensive
B
MOH London
6FAE7674B · Nov 4
$3,185 CAD
£1,783 GBP
View
7 more retailers have this diamond
Prices start from $1,307 CADSave up to $1,878 CAD

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
$1,307 CAD