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Princess|Natural|IGI

1.21ct J SI1 Princess Natural Diamond

GD • J/SI1 • IGI 450023233

Shape and cutting style on the report: Princess cut

Certificate IGI 450023233

Diamond specifications and retailer prices

From HK$9,640 HKD
As of November 1, 2026
Save HK$11,322 HKD (54%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$20,962 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 450023233. Listed at 4 retailers as of November 1, 2026, with prices from HK$9,640 to HK$20,962, a HK$11,322 spread on the same certified stone. MOH London lists it at HK$20,962. 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
J
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 450023233
Dimensions5.81 × 5.68 × 4.41 mm
L/W Ratio1.02
Culet sizeNone
Top View
5.81 mm5.68 mm1.21 ctJ / SI1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI 450023233
Side View
Table 79.5%CrownGirdle: MED-THKPavilionCulet: NoneDepth 77.6%

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 1
Current: HK$20,962 HKD|Low: HK$9,640 HKD|High: HK$25,242 HKD|Avg: HK$16,494 HKD|-16.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4HK$9,640 HKD
Retailer 3HK$13,472 HKD
Retailer 2HK$15,495 HKD
MOH LondonHK$20,962 HKD

41 data points across 4 retailers

4 retailersHK$9,640 HKD to HK$20,962 HKD

B+
Cheapest Retailer
-
HK$9,640 HKD
B
Retailer 2
-
HK$13,472 HKD
View
B
Retailer 3
-
HK$15,495 HKD
View
Most Expensive
C
MOH London
D96C8C3E5 · Nov 4
HK$20,962 HKD
£2,106 GBP
View
3 more retailers have this diamond
Prices start from HK$9,640 HKDSave up to HK$11,322 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+
1.21ct Princess
HK$9,640 HKD