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Marquise|Natural|IGI

1.21ct J SI2 Marquise Natural Diamond

VG • J/SI2 • IGI 667406295

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 667406295

Diamond specifications and retailer prices

From HK$9,687 HKD
As of November 4, 2026
Save HK$13,186 HKD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$22,873 HKD at MOH London · As of November 7, 2026
View at MOH London

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 667406295. Listed at 7 retailers as of November 4, 2026, with prices from HK$9,687 to HK$22,873, a HK$13,186 spread on the same certified stone. MOH London lists it at HK$22,873. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.7°
Pavilion angle37.2°
OriginNatural
Grading LabIGI
CertificateIGI 667406295
Dimensions10.37 × 5.47 × 3.41 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
10.37 mm5.47 mm1.21 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 667406295
Side View
Table 58.0%Crown 43.7°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 62.3%

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$22,873 HKD|Low: HK$8,958 HKD|High: HK$23,271 HKD|Avg: HK$13,179 HKD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8HK$8,958 HKD
Retailer 7HK$9,687 HKD
Retailer 5HK$10,972 HKD
Retailer 6HK$12,226 HKD
Retailer 4HK$12,501 HKD
Retailer 2HK$13,073 HKD
Retailer 3HK$14,695 HKD
Retailer 9HK$14,852 HKD
MOH LondonHK$22,873 HKD

32 data points across 9 retailers

7 retailersHK$9,687 HKD to HK$22,873 HKD

B+
Cheapest Retailer
-
HK$9,687 HKD
B+
Retailer 2
-
HK$10,972 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$12,226 HKD
View
B+
Retailer 4
-
HK$12,501 HKD
View
B+
Retailer 5
-
HK$13,073 HKD
View
B+
Retailer 6
-
HK$14,695 HKD
View
Most Expensive
B
MOH London
66795138C · Nov 7
HK$22,873 HKD
£2,298 GBP
View
6 more retailers have this diamond
Prices start from HK$9,687 HKDSave up to HK$13,186 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 Marquise
HK$9,687 HKD