CaratHunter
Plans
Round|Natural|GIA

1.21ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1565756922

Certificate GIA 1565756922

Diamond specifications and retailer prices

From HK$13,156 HKD
As of November 1, 2026
Save HK$23,743 HKD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$36,898 HKD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565756922. Listed at 15 retailers as of October 30, 2026, with prices from HK$13,156 to HK$36,898, a HK$23,743 spread on the same certified stone. NZ Jewellers lists it at HK$36,898. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565756922
Dimensions6.81 × 6.76 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
6.81 mm6.76 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565756922
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.6%

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 1
Current: HK$36,898 HKD|Low: HK$12,955 HKD|High: HK$36,898 HKD|Avg: HK$19,818 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 11HK$13,156 HKD
Retailer 5HK$15,480 HKD
Retailer 15HK$15,942 HKD
Retailer 4HK$16,288 HKD
Retailer 13HK$16,774 HKD
Retailer 9HK$16,984 HKD
Retailer 6HK$17,653 HKD
Retailer 10HK$17,653 HKD
Retailer 3HK$18,743 HKD
Retailer 2HK$19,099 HKD
Retailer 14HK$20,227 HKD
Retailer 12HK$20,367 HKD
Retailer 8HK$21,938 HKD
Retailer 7HK$31,088 HKD
NZ JewellersHK$36,898 HKD

5 data points across 15 retailers

15 retailersHK$13,156 HKD to HK$36,898 HKD

A
Cheapest Retailer
-
HK$13,156 HKD
A
Retailer 2
-
HK$15,480 HKD
$1,973 USD
View
A
Retailer 3
-
HK$15,942 HKD
$2,032 USD
View
B+
Retailer 4
-
HK$16,288 HKD
$2,076 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$16,774 HKD
$2,138 USD
View
B+
Retailer 6
-
HK$16,984 HKD
£1,704 GBP
View
B+
Retailer 7
-
HK$17,653 HKD
$2,250 USD
View
B+
Retailer 8
-
HK$17,653 HKD
$2,250 USD
View
B+
Retailer 9
-
HK$18,743 HKD
$2,389 USD
View
B+
Retailer 10
-
HK$19,099 HKD
£1,917 GBP
View
B+
Retailer 11
-
HK$20,227 HKD
£2,030 GBP
View
B+
Retailer 12
-
HK$20,367 HKD
$2,596 USD
View
B
Retailer 13
-
HK$21,938 HKD
€2,663 EUR
View
B
Retailer 14
-
HK$31,088 HKD
£3,120 GBP
View
Most Expensive
B
NZ Jewellers
f5cb1f38-a4cc-4222-996e-d15052e8e27e · Oct 30
HK$36,898 HKD
$4,703 USD
View
14 more retailers have this diamond
Prices start from HK$13,156 HKDSave up to HK$23,743 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$13,156 HKD