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Marquise|Natural|IGI

1.21ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 770656600

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 770656600

Diamond specifications and retailer prices

From HK$12,877 HKD
As of November 5, 2026
Save HK$21,177 HKD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$34,054 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 770656600. Listed at 8 retailers as of November 5, 2026, with prices from HK$12,877 to HK$34,054, a HK$21,177 spread on the same certified stone. NZ Jewellers lists it at HK$34,054. 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
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.6°
Pavilion angle34.4°
OriginNatural
Grading LabIGI
CertificateIGI 770656600
Dimensions10.33 × 5.45 × 3.24 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
10.33 mm5.45 mm1.21 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 770656600
Side View
Table 60.0%Crown 44.6°Girdle: THK-VTKPavilion 34.4°Culet: NoneDepth 59.4%

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$34,054 HKD|Low: HK$11,803 HKD|High: HK$35,652 HKD|Avg: HK$18,687 HKD|-4.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4HK$12,877 HKD
Retailer 2HK$13,543 HKD
Retailer 6HK$13,966 HKD
Retailer 8HK$14,429 HKD
Retailer 7HK$14,609 HKD
Retailer 3HK$18,622 HKD
Retailer 5HK$24,390 HKD
NZ JewellersHK$34,054 HKD

42 data points across 8 retailers

8 retailersHK$12,877 HKD to HK$34,054 HKD

A
Cheapest Retailer
-
HK$12,877 HKD
A
Retailer 2
-
HK$13,543 HKD
View
A
Retailer 3
-
HK$13,966 HKD
View
B+
Retailer 4
-
HK$14,429 HKD
View
B+
Retailer 5
-
HK$14,609 HKD
View
B+
Retailer 6
-
HK$18,622 HKD
View
B
Retailer 7
-
HK$24,390 HKD
View
Most Expensive
B
NZ Jewellers
c29f788d-337b-418e-a9e7-16f9ddd7a0e5 · Nov 5
HK$34,054 HKD
$4,345 USD
View
7 more retailers have this diamond
Prices start from HK$12,877 HKDSave up to HK$21,177 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 Marquise
HK$12,877 HKD