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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 $1,316 SGD
As of November 5, 2026
Save $1,456 SGD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,772 SGD 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 $1,316 to $2,772, a $1,456 spread on the same certified stone. MOH London lists it at $2,772. 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: $2,772 SGD|Low: $1,316 SGD|High: $2,813 SGD|Avg: $1,734 SGD|-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$1,316 SGD
Retailer 10$1,320 SGD
Retailer 5$1,326 SGD
Retailer 6$1,374 SGD
Retailer 7$1,525 SGD
Retailer 3$1,731 SGD
Retailer 4$1,851 SGD
Retailer 2$1,912 SGD
Retailer 9$2,097 SGD
MOH London$2,772 SGD

43 data points across 10 retailers

10 retailers$1,316 SGD to $2,772 SGD

B+
Cheapest Retailer
-
$1,316 SGD
B+
Retailer 2
-
$1,320 SGD
View
B+
Retailer 3
-
$1,326 SGD
View
Retailer 4
-
$1,374 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,525 SGD
View
B+
Retailer 6
-
$1,731 SGD
View
B+
Retailer 7
-
$1,851 SGD
View
B
Retailer 8
-
$1,912 SGD
View
B
Retailer 9
-
$2,097 SGD
View
Most Expensive
B
MOH London
FADB9622D · Nov 4
$2,772 SGD
£1,703 GBP
View
9 more retailers have this diamond
Prices start from $1,316 SGDSave up to $1,456 SGD

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
$1,316 SGD