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Marquise|Natural|IGI

1.20ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 712558468

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 712558468

Diamond specifications and retailer prices

From HK$20,354 HKD
As of November 5, 2026
Save HK$22,728 HKD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$43,082 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 712558468. Listed at 15 retailers as of November 5, 2026, with prices from HK$20,354 to HK$43,082, a HK$22,728 spread on the same certified stone. NZ Jewellers lists it at HK$43,082. 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
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 712558468
Dimensions10.73 × 5.29 × 3.40 mm
L/W Ratio2.03
Girdle conditionFaceted
Top View
10.73 mm5.29 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 712558468
Side View
Table 60.0%Crown 41.8°Girdle: THK-VTKPavilion 39.1°Culet: NoneDepth 64.3%

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$43,082 HKD|Low: HK$20,236 HKD|High: HK$43,082 HKD|Avg: HK$27,754 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 10HK$20,354 HKD
Retailer 6HK$22,148 HKD
Retailer 13HK$22,180 HKD
Retailer 4HK$22,376 HKD
Retailer 3HK$23,183 HKD
Retailer 14HK$24,249 HKD
Retailer 7HK$24,727 HKD
Retailer 2HK$25,542 HKD
Retailer 15HK$25,675 HKD
Retailer 12HK$28,270 HKD
Retailer 5HK$28,536 HKD
Retailer 9HK$29,594 HKD
Retailer 8HK$36,601 HKD
Retailer 11HK$40,441 HKD
NZ JewellersHK$43,082 HKD

13 data points across 15 retailers

15 retailersHK$20,354 HKD to HK$43,082 HKD

A
Cheapest Retailer
-
HK$20,354 HKD
B+
Retailer 2
-
HK$22,148 HKD
View
A
Retailer 3
-
HK$22,180 HKD
View
B+
Retailer 4
-
HK$22,376 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$23,183 HKD
View
Retailer 6
-
HK$24,249 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$24,727 HKD
View
B+
Retailer 8
-
HK$25,542 HKD
View
B+
Retailer 9
-
HK$25,675 HKD
View
B+
Retailer 10
-
HK$28,270 HKD
View
B
Retailer 11
-
HK$28,536 HKD
View
B
Retailer 12
-
HK$29,594 HKD
View
B
Retailer 13
-
HK$36,601 HKD
View
B
Retailer 14
-
HK$40,441 HKD
View
Most Expensive
B
NZ Jewellers
7882e09e-f60e-485f-a5cf-6d3b55008840 · Nov 5
HK$43,082 HKD
$5,497 USD
View
14 more retailers have this diamond
Prices start from HK$20,354 HKDSave up to HK$22,728 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$20,354 HKD