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Round|Natural|GIA

1.21ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1565756922

Certificate GIA 1565756922

Diamond specifications and retailer prices

From $2,387 AUD
HK$13,100 HKD
As of November 1, 2026
Save $4,308 AUD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,695 AUD 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 $2,387 to $6,695, a $4,308 spread on the same certified stone. NZ Jewellers lists it at $6,695. 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: $6,695 AUD|Low: $2,351 AUD|High: $6,695 AUD|Avg: $3,596 AUD
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 11$2,387 AUD
Retailer 5$2,809 AUD
Retailer 15$2,893 AUD
Retailer 4$2,955 AUD
Retailer 13$3,044 AUD
Retailer 9$3,082 AUD
Retailer 6$3,203 AUD
Retailer 10$3,203 AUD
Retailer 3$3,401 AUD
Retailer 2$3,465 AUD
Retailer 14$3,670 AUD
Retailer 12$3,696 AUD
Retailer 8$3,981 AUD
Retailer 7$5,641 AUD
NZ Jewellers$6,695 AUD

5 data points across 15 retailers

15 retailers$2,387 AUD to $6,695 AUD

A
Cheapest Retailer
-
$2,387 AUD
HK$13,100 HKD
A
Retailer 2
-
$2,809 AUD
$1,973 USD
View
A
Retailer 3
-
$2,893 AUD
$2,032 USD
View
B+
Retailer 4
-
$2,955 AUD
$2,076 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,044 AUD
$2,138 USD
View
B+
Retailer 6
-
$3,082 AUD
£1,704 GBP
View
B+
Retailer 7
-
$3,203 AUD
$2,250 USD
View
B+
Retailer 8
-
$3,203 AUD
$2,250 USD
View
B+
Retailer 9
-
$3,401 AUD
$2,389 USD
View
B+
Retailer 10
-
$3,465 AUD
£1,917 GBP
View
B+
Retailer 11
-
$3,670 AUD
£2,030 GBP
View
B+
Retailer 12
-
$3,696 AUD
$2,596 USD
View
B
Retailer 13
-
$3,981 AUD
€2,663 EUR
View
B
Retailer 14
-
$5,641 AUD
£3,120 GBP
View
Most Expensive
B
NZ Jewellers
f5cb1f38-a4cc-4222-996e-d15052e8e27e · Oct 30
$6,695 AUD
$4,703 USD
View
14 more retailers have this diamond
Prices start from $2,387 AUDSave up to $4,308 AUD

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
$2,387 AUD