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Round|Natural|GIA

1.21ct I IF Round Natural Diamond

EX • I/IF • GIA 6511962223

Certificate GIA 6511962223

Diamond specifications and retailer prices

From $7,338 AUD
As of November 5, 2026
Save $6,063 AUD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $13,401 AUD 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 6511962223. Listed at 6 retailers as of November 5, 2026, with prices from $7,338 to $13,401, a $6,063 spread on the same certified stone. NZ Jewellers lists it at $13,401. 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 angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6511962223
Dimensions6.75 × 6.80 × 4.28 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.75 mm6.80 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511962223
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

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 5
Current: $13,401 AUD|Low: $5,859 AUD|High: $13,401 AUD|Avg: $9,645 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6$7,338 AUD
Retailer 5$7,396 AUD
Retailer 4$8,610 AUD
Retailer 2$8,715 AUD
Retailer 3$12,727 AUD
NZ Jewellers$13,401 AUD

24 data points across 6 retailers

6 retailers$7,338 AUD to $13,401 AUD

A
Cheapest Retailer
-
$7,338 AUD
B+
Retailer 2
-
$7,396 AUD
View
Final sale: no returns
B+
Retailer 3
-
$8,610 AUD
View
B+
Retailer 4
-
$8,715 AUD
View
B
Retailer 5
-
$12,727 AUD
View
Most Expensive
B
NZ Jewellers
ecc901e7-f166-45ba-a8ce-219aadd96846 · Nov 5
$13,401 AUD
$9,208 USD
View
5 more retailers have this diamond
Prices start from $7,338 AUDSave up to $6,063 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
$7,338 AUD