CaratHunter
Plans
Round|Natural|GIA

1.21ct I IF Round Natural Diamond

EX • I/IF • GIA 2506840307

Certificate GIA 2506840307

Diamond specifications and retailer prices

From HK$38,309 HKD
As of November 5, 2026
Save HK$31,577 HKD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$69,886 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2506840307. Listed at 6 retailers as of November 5, 2026, with prices from HK$38,309 to HK$69,886, a HK$31,577 spread on the same certified stone. NZ Jewellers lists it at HK$69,886. 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
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2506840307
Dimensions6.75 × 6.80 × 4.31 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.75 mm6.80 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506840307
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.7%

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$69,886 HKD|Low: HK$30,550 HKD|High: HK$69,886 HKD|Avg: HK$50,342 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6HK$38,309 HKD
Retailer 5HK$38,568 HKD
Retailer 3HK$44,885 HKD
Retailer 2HK$45,786 HKD
Retailer 4HK$66,547 HKD
NZ JewellersHK$69,886 HKD

23 data points across 6 retailers

6 retailersHK$38,309 HKD to HK$69,886 HKD

A
Cheapest Retailer
-
HK$38,309 HKD
B+
Retailer 2
-
HK$38,568 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$44,885 HKD
View
B+
Retailer 4
-
HK$45,786 HKD
View
B
Retailer 5
-
HK$66,547 HKD
View
Most Expensive
B
NZ Jewellers
4def09ca-a340-4163-8287-51aadf3ed1ad · Nov 5
HK$69,886 HKD
$8,917 USD
View
5 more retailers have this diamond
Prices start from HK$38,309 HKDSave up to HK$31,577 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$38,309 HKD