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1.21ct M IF Round Natural Diamond

EX • M/IF • IGI 523201890

Shape and cutting style on the report: Round brilliant

Certificate IGI 523201890

Diamond specifications and retailer prices

From HK$11,760 HKD
As of November 6, 2026
Save HK$19,974 HKD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$31,734 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 523201890. Listed at 11 retailers as of November 5, 2026, with prices from HK$11,760 to HK$31,734, a HK$19,974 spread on the same certified stone. NZ Jewellers lists it at HK$31,734. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.4°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 523201890
Dimensions6.78 × 6.81 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT Minor graining
Top View
6.78 mm6.81 mm1.21 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 523201890
Side View
Table 58.5%Crown 35.4°GirdlePavilion 40.9°Culet: NoneDepth 62.0%

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 6
Current: HK$31,734 HKD|Low: HK$11,752 HKD|High: HK$31,734 HKD|Avg: HK$15,994 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2HK$11,760 HKD
Retailer 6HK$13,007 HKD
Retailer 10HK$13,007 HKD
Retailer 3HK$13,572 HKD
Retailer 8HK$13,611 HKD
Retailer 11HK$14,074 HKD
Retailer 9HK$15,016 HKD
Retailer 5HK$15,879 HKD
Retailer 4HK$17,636 HKD
Retailer 7HK$18,530 HKD
NZ JewellersHK$31,734 HKD

37 data points across 11 retailers

11 retailersHK$11,760 HKD to HK$31,734 HKD

A
Cheapest Retailer
-
HK$11,760 HKD
A
Retailer 2
-
HK$12,058 HKD
View
A
Retailer 3
-
HK$13,007 HKD
View
A
Retailer 4
-
HK$13,572 HKD
View
A
Retailer 5
-
HK$13,611 HKD
View
A
Retailer 6
-
HK$14,074 HKD
View
A
Retailer 7
-
HK$15,016 HKD
View
A
Retailer 8
-
HK$15,879 HKD
View
A
Retailer 9
-
HK$17,636 HKD
View
B+
Retailer 10
-
HK$18,530 HKD
View
Most Expensive
B
NZ Jewellers
c7801b19-7fbf-4829-a097-3a750cf755c2 · Nov 5
HK$31,734 HKD
$4,045 USD
View
10 more retailers have this diamond
Prices start from HK$11,760 HKDSave up to HK$19,974 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 Round
HK$11,760 HKD