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Marquise|Natural|IGI

1.20ct H SI1 Marquise Natural Diamond

VG • H/SI1 • IGI 819640232

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 819640232

Diamond specifications and retailer prices

From HK$23,739 HKD
As of November 5, 2026
Save HK$30,895 HKD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$54,635 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise 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 819640232. Listed at 8 retailers as of November 5, 2026, with prices from HK$23,739 to HK$54,635, a HK$30,895 spread on the same certified stone. NZ Jewellers lists it at HK$54,635. 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

1.20
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.5°
Pavilion angle37.6°
OriginNatural
Grading LabIGI
CertificateIGI 819640232
Dimensions10.81 × 5.37 × 3.43 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeNone
Top View
10.81 mm5.37 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 819640232
Side View
Table 58.0%Crown 44.5°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 63.9%

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 5
Current: HK$54,635 HKD|Low: HK$23,058 HKD|High: HK$58,028 HKD|Avg: HK$39,067 HKD|-5.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4HK$23,739 HKD
Retailer 8HK$30,393 HKD
Retailer 2HK$30,425 HKD
Retailer 5HK$31,357 HKD
Retailer 7HK$31,357 HKD
Retailer 3HK$34,978 HKD
Retailer 6HK$52,440 HKD
NZ JewellersHK$54,635 HKD

41 data points across 8 retailers

8 retailersHK$23,739 HKD to HK$54,635 HKD

A
Cheapest Retailer
-
HK$23,739 HKD
B+
Retailer 2
-
HK$30,393 HKD
View
B+
Retailer 3
-
HK$30,425 HKD
View
B
Retailer 4
-
HK$31,357 HKD
View
B
Retailer 5
-
HK$31,357 HKD
View
B
Retailer 6
-
HK$34,978 HKD
View
B
Retailer 7
-
HK$52,440 HKD
View
Most Expensive
B
NZ Jewellers
feacff89-567c-431f-b9b9-fe8b2b88d6d9 · Nov 5
HK$54,635 HKD
$6,971 USD
View
7 more retailers have this diamond
Prices start from HK$23,739 HKDSave up to HK$30,895 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
1.20ct Marquise
HK$23,739 HKD