CaratHunter
Plans
Cushion|Natural|IGI

1.05ct J SI1 Cushion Natural Diamond

VG • J/SI1 • IGI 706537180

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 706537180

Diamond specifications and retailer prices

From HK$11,771 HKD
A$2,308 AUD
As of November 3, 2026
Save HK$7,989 HKD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$19,759 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 706537180. Listed at 6 retailers as of November 1, 2026, with prices from HK$11,771 to HK$19,759, a HK$7,989 spread on the same certified stone. MOH London lists it at HK$19,759. 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

1.05
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle37.3°
Pavilion angle33.1°
OriginNatural
Grading LabIGI
CertificateIGI 706537180
Dimensions5.85 × 5.42 × 3.78 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Top View
5.85 mm5.42 mm1.05 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 706537180
Side View
Table 60.0%Crown 37.3°Girdle: STK-VTKPavilion 33.1°Culet: NoneDepth 69.7%

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 3
Current: HK$19,759 HKD|Low: HK$11,754 HKD|High: HK$20,666 HKD|Avg: HK$13,863 HKD|-4.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6HK$11,771 HKD
Retailer 5HK$11,851 HKD
Retailer 3HK$12,127 HKD
Retailer 4HK$13,170 HKD
Retailer 2HK$14,977 HKD
MOH LondonHK$19,759 HKD

41 data points across 6 retailers

6 retailersHK$11,771 HKD to HK$19,759 HKD

B+
Cheapest Retailer
-
HK$11,771 HKD
A$2,308 AUD
B+
Retailer 2
-
HK$11,851 HKD
$1,510 USD
View
B+
Retailer 3
-
HK$12,127 HKD
£1,217 GBP
View
B+
Retailer 4
-
HK$13,170 HKD
ZAR 27,117 ZAR
View
B
Retailer 5
-
HK$14,977 HKD
€1,818 EUR
View
Most Expensive
B
MOH London
A57193373 · Nov 1
HK$19,759 HKD
£1,983 GBP
View
5 more retailers have this diamond
Prices start from HK$11,771 HKDSave up to HK$7,989 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+
1.05ct Cushion
HK$11,771 HKD