Cushion|Natural|IGI

1.80ct M SI2 Cushion Natural Diamond

VG • M/SI2 • IGI 729536751

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI 729536751

Diamond specifications and retailer prices

From HK$19,774 HKD
As of November 4, 2026
Save HK$5,934 HKD (23%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$25,708 HKD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.8ct natural cushion diamond

This 1.8ct natural cushion sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 729536751. Listed at 5 retailers as of November 4, 2026, with prices from HK$19,774 to HK$25,708, a HK$5,934 spread on the same certified stone. Yorxs lists it at HK$25,708. 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

1.80
Carat
M
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle29.2°
OriginNatural
Grading LabIGI
CertificateIGI 729536751
Dimensions6.64 × 6.36 × 4.49 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Top View
6.64 mm6.36 mm1.80 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 729536751
Side View
Table 60.0%Crown 36.4°Girdle: STK-VTKPavilion 29.2°Culet: NoneDepth 70.6%

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 4
Current: HK$22,078 HKD|Low: HK$19,774 HKD|High: HK$26,271 HKD|Avg: HK$22,949 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 6, 2026
Retailer 5HK$19,774 HKD
Retailer 2HK$20,612 HKD
Retailer 1HK$22,078 HKD
Retailer 4HK$23,191 HKD
YorxsHK$25,708 HKD
Retailer 3HK$26,271 HKD

20 data points across 6 retailers

5 retailersHK$19,774 HKD to HK$25,708 HKD

B+
Cheapest Retailer
-
HK$19,774 HKD
B+
Retailer 2
-
HK$20,612 HKD
View
Retailer 3
-
HK$22,078 HKD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$23,191 HKD
View
Most Expensive
B
Yorxs
B7438EC5D · Nov 6
HK$25,708 HKD
€3,124 EUR
View
4 more retailers have this diamond
Prices start from HK$19,774 HKDSave up to HK$5,934 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+
1.80ct Cushion
HK$19,774 HKD