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Cushion|Natural|IGI

1.21ct H SI1 Cushion Natural Diamond

VG • H/SI1 • IGI 803629203

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 803629203

Diamond specifications and retailer prices

From HK$11,615 HKD
As of November 6, 2026
Save HK$10,820 HKD (48%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$22,435 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 803629203. Listed at 12 retailers as of November 4, 2026, with prices from HK$11,615 to HK$22,435, a HK$10,820 spread on the same certified stone. MOH London lists it at HK$22,435. 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

1.21
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.8°
OriginNatural
Grading LabIGI
CertificateIGI 803629203
Dimensions7.24 × 5.56 × 3.78 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.24 mm5.56 mm1.21 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629203
Side View
Table 63.0%Crown 34.2°Girdle: THN-THKPavilion 36.8°Culet: NoneDepth 68.0%

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: Nov 6
Current: HK$22,435 HKD|Low: HK$11,192 HKD|High: HK$23,460 HKD|Avg: HK$15,185 HKD|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 4HK$11,615 HKD
Retailer 5HK$11,670 HKD
Retailer 9HK$11,913 HKD
Retailer 10HK$13,112 HKD
Retailer 3HK$13,230 HKD
Retailer 11HK$13,433 HKD
Retailer 7HK$13,653 HKD
Retailer 2HK$14,201 HKD
Retailer 8HK$15,667 HKD
Retailer 6HK$15,965 HKD
MOH LondonHK$22,435 HKD

44 data points across 11 retailers

12 retailersHK$11,615 HKD to HK$22,435 HKD

A
Cheapest Retailer
-
HK$11,615 HKD
Final sale: no returns
A
Retailer 2
-
HK$11,670 HKD
View
A
Retailer 3
-
HK$11,913 HKD
View
A
Retailer 4
-
HK$13,112 HKD
View
Retailer 5
-
HK$13,230 HKD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
HK$13,433 HKD
View
B+
Retailer 7
-
HK$13,433 HKD
View
A
Retailer 8
-
HK$13,653 HKD
View
A
Retailer 9
-
HK$14,201 HKD
View
A
Retailer 10
-
HK$15,667 HKD
View
A
Retailer 11
-
HK$15,965 HKD
View
Most Expensive
B
MOH London
0CDBA82A1 · Nov 4
HK$22,435 HKD
£2,254 GBP
View
11 more retailers have this diamond
Prices start from HK$11,615 HKDSave up to HK$10,820 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
1.21ct Cushion
HK$11,615 HKD