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Round|Natural|GIA

1.21ct K I1 Round Natural Diamond

EX • K/I1 • GIA 3485049914

Certificate GIA 3485049914

Diamond specifications and retailer prices

From $2,931 AUD
As of November 6, 2026
Save $957 AUD (25%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,888 AUD at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 3485049914. Listed at 2 retailers as of November 5, 2026, with prices from $2,931 to $3,888, a $957 spread on the same certified stone. Yorxs lists it at $3,888. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3485049914
Dimensions6.76 × 6.80 × 4.27 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.76 mm6.80 mm1.21 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3485049914
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $3,710 AUD|Low: $2,931 AUD|High: $3,936 AUD|Avg: $3,510 AUD
Retailer 1
Retailer 2
Yorxs
November 5, 2026
Retailer 2$2,931 AUD
Retailer 1$3,710 AUD
Yorxs$3,888 AUD

22 data points across 3 retailers

2 retailers$2,931 AUD to $3,888 AUD

B+
Cheapest Retailer
-
$2,931 AUD
Most Expensive
B
Yorxs
430391461 · Nov 5
$3,888 AUD
€2,592 EUR
View
1 more retailer has this diamond
Prices start from $2,931 AUDSave up to $957 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.

B+
1.21ct Round
$2,931 AUD