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Round|Natural|GIA

1.21ct I IF Round Natural Diamond

EX • I/IF • GIA 2557387267

Certificate GIA 2557387267

Diamond specifications and retailer prices

From HK$21,467 HKD
As of November 6, 2026
Save HK$29,194 HKD (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$54,290 HKD at NZ Jewellers · As of September 28, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2557387267. Listed at 11 retailers as of November 5, 2026, with a 136% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2557387267
Dimensions6.73 × 6.79 × 4.22 mm
L/W Ratio1.01
Top View
6.73 mm6.79 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557387267
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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$50,661 HKD|Low: HK$21,467 HKD|High: HK$53,686 HKD|Avg: HK$33,950 HKD|-5.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6HK$21,467 HKD
Retailer 5HK$25,017 HKD
Retailer 7HK$26,208 HKD
Retailer 8HK$27,486 HKD
Retailer 3HK$29,884 HKD
Retailer 2HK$33,795 HKD
Retailer 4HK$48,490 HKD
NZ JewellersHK$50,661 HKD

45 data points across 8 retailers

11 retailersHK$21,467 HKD to HK$50,661 HKD

A
Cheapest Retailer
-
HK$21,467 HKD
A
Retailer 2
-
HK$25,017 HKD
View
A
Retailer 3
-
HK$26,208 HKD
View
A
Retailer 4
-
HK$27,486 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$29,884 HKD
View
Retailer 6
-
HK$30,817 HKD
View
Price last confirmed 36 days ago
Retailer 7
-
HK$30,817 HKD
View
Price last confirmed 38 days ago
A
Retailer 8
-
HK$33,795 HKD
View
B+
Retailer 9
-
HK$48,490 HKD
View
B+
Retailer 10
-
HK$50,661 HKD
View
Most Expensive
NZ Jewellers
c49cbe1c-1fe2-4f6b-9b11-1b00cdaf986d · Sep 28
HK$54,290 HKD
$6,927 USD
View
Price last confirmed 39 days ago
10 more retailers have this diamond
Prices start from HK$21,467 HKDSave up to HK$29,194 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$21,467 HKD