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 HK$7,281 HKD
As of October 31, 2026
Save HK$10,466 HKD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$17,747 HKD 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 HK$7,281 to HK$17,747, a HK$10,466 spread on the same certified stone. MOH London lists it at HK$17,747. 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
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: HK$17,747 HKD|Low: HK$7,265 HKD|High: HK$18,006 HKD|Avg: HK$11,087 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4HK$7,281 HKD
Retailer 6HK$9,303 HKD
Retailer 5HK$9,711 HKD
Retailer 2HK$9,930 HKD
Retailer 7HK$9,961 HKD
Retailer 3HK$12,540 HKD
MOH LondonHK$17,747 HKD

44 data points across 7 retailers

8 retailersHK$7,281 HKD to HK$17,747 HKD

A
Cheapest Retailer
-
HK$7,281 HKD
B+
Retailer 2
-
HK$9,303 HKD
View
Retailer 3
-
HK$9,711 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$9,930 HKD
View
B+
Retailer 5
-
HK$9,961 HKD
View
B+
Retailer 6
-
HK$10,769 HKD
View
B
Retailer 7
-
HK$12,540 HKD
View
Most Expensive
B
MOH London
6FAE7674B · Nov 4
HK$17,747 HKD
£1,783 GBP
View
7 more retailers have this diamond
Prices start from HK$7,281 HKDSave up to HK$10,466 HKD

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
HK$7,281 HKD