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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 $929 USD
As of October 31, 2026
Save $1,335 USD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,264 USD 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 $929 to $2,264, a $1,335 spread on the same certified stone. MOH London lists it at $2,264. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,264 USD|Low: $927 USD|High: $2,297 USD|Avg: $1,415 USD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$929 USD
Retailer 6$1,187 USD
Retailer 5$1,239 USD
Retailer 2$1,267 USD
Retailer 7$1,271 USD
Retailer 3$1,600 USD
MOH London$2,264 USD

44 data points across 7 retailers

8 retailers$929 USD to $2,264 USD

A
Cheapest Retailer
-
$929 USD
B+
Retailer 2
-
$1,187 USD
View
Retailer 3
-
$1,239 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,267 USD
View
B+
Retailer 5
-
$1,271 USD
View
B+
Retailer 6
-
$1,374 USD
View
B
Retailer 7
-
$1,600 USD
View
Most Expensive
B
MOH London
6FAE7674B · Nov 4
$2,264 USD
£1,783 GBP
View
7 more retailers have this diamond
Prices start from $929 USDSave up to $1,335 USD

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
$929 USD