Round|Natural|GIA

1.21ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6565200380

Certificate GIA 6565200380

Diamond specifications and retailer prices

From HK$14,844 HKD
As of November 6, 2026
Save HK$26,436 HKD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$41,280 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565200380. Listed at 21 retailers as of November 5, 2026, with prices from HK$14,844 to HK$41,280, a HK$26,436 spread on the same certified stone. NZ Jewellers lists it at HK$41,280. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565200380
Dimensions6.76 × 6.82 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
6.76 mm6.82 mm1.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565200380
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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$41,280 HKD|Low: HK$14,844 HKD|High: HK$41,280 HKD|Avg: HK$22,707 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 7, 2026
Retailer 15HK$14,844 HKD
Retailer 8HK$15,448 HKD
Retailer 11HK$15,730 HKD
Retailer 14HK$17,948 HKD
Retailer 3HK$18,379 HKD
Retailer 9HK$18,629 HKD
Retailer 4HK$19,742 HKD
Retailer 6HK$19,742 HKD
Retailer 5HK$20,659 HKD
Retailer 2HK$20,769 HKD
Retailer 7HK$22,783 HKD
Retailer 10HK$24,100 HKD
Retailer 12HK$24,492 HKD
Retailer 13HK$34,492 HKD
NZ JewellersHK$41,280 HKD

24 data points across 15 retailers

21 retailersHK$14,844 HKD to HK$41,280 HKD

A
Cheapest Retailer
-
HK$14,844 HKD
A
Retailer 2
-
HK$15,448 HKD
View
A
Retailer 3
-
HK$15,730 HKD
View
B+
Retailer 4
-
HK$17,948 HKD
View
B+
Retailer 5
-
HK$18,379 HKD
View
B+
Retailer 6
-
HK$18,379 HKD
View
B+
Retailer 7
-
HK$18,528 HKD
View
B+
Retailer 8
-
HK$18,629 HKD
View
Retailer 9
-
HK$19,742 HKD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$19,742 HKD
View
B+
Retailer 11
-
HK$20,299 HKD
View
B+
Retailer 12
-
HK$20,636 HKD
View
B+
Retailer 13
-
HK$20,659 HKD
View
B+
Retailer 14
-
HK$20,769 HKD
View
B+
Retailer 15
-
HK$20,840 HKD
View
Retailer 16
-
HK$22,117 HKD
View
Price last confirmed 31 days ago
B
Retailer 17
-
HK$22,783 HKD
View
B+
Retailer 18
-
HK$24,100 HKD
View
B+
Retailer 19
-
HK$24,492 HKD
View
B
Retailer 20
-
HK$34,492 HKD
View
Most Expensive
B
NZ Jewellers
3949d498-801d-49b3-ac99-dac1d4bfa867 · Nov 5
HK$41,280 HKD
$5,267 USD
View
20 more retailers have this diamond
Prices start from HK$14,844 HKDSave up to HK$26,436 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$14,844 HKD