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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 HK$8,049 HKD
As of November 5, 2026
Save HK$8,902 HKD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$16,951 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 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 HK$8,049 to HK$16,951, a HK$8,902 spread on the same certified stone. MOH London lists it at HK$16,951. 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: HK$16,951 HKD|Low: HK$8,049 HKD|High: HK$17,200 HKD|Avg: HK$10,603 HKD|-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 8HK$8,049 HKD
Retailer 10HK$8,073 HKD
Retailer 5HK$8,112 HKD
Retailer 6HK$8,402 HKD
Retailer 7HK$9,327 HKD
Retailer 3HK$10,588 HKD
Retailer 4HK$11,317 HKD
Retailer 2HK$11,693 HKD
Retailer 9HK$12,822 HKD
MOH LondonHK$16,951 HKD

43 data points across 10 retailers

10 retailersHK$8,049 HKD to HK$16,951 HKD

B+
Cheapest Retailer
-
HK$8,049 HKD
B+
Retailer 2
-
HK$8,073 HKD
View
B+
Retailer 3
-
HK$8,112 HKD
View
Retailer 4
-
HK$8,402 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$9,327 HKD
View
B+
Retailer 6
-
HK$10,588 HKD
View
B+
Retailer 7
-
HK$11,317 HKD
View
B
Retailer 8
-
HK$11,693 HKD
View
B
Retailer 9
-
HK$12,822 HKD
View
Most Expensive
B
MOH London
FADB9622D · Nov 4
HK$16,951 HKD
£1,703 GBP
View
9 more retailers have this diamond
Prices start from HK$8,049 HKDSave up to HK$8,902 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.

B+
1.00ct Cushion
HK$8,049 HKD