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Oval|Natural|GIA

1.21ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 2241097312

Certificate GIA 2241097312

Diamond specifications and retailer prices

From $5,852 AUD
As of November 5, 2026
Save $4,560 AUD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,412 AUD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2241097312. Listed at 14 retailers as of November 5, 2026, with prices from $5,852 to $10,412, a $4,560 spread on the same certified stone. Helzberg Diamonds lists it at $10,412. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.09°
Pavilion angle39.87°
OriginNatural
Grading LabGIA
CertificateGIA 2241097312
Dimensions8.33 × 5.99 × 3.73 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.33 mm5.99 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2241097312
Side View
Table 61.0%Crown 40.09°Girdle: MED-THKPavilion 39.87°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $10,412 AUD|Low: $5,852 AUD|High: $10,412 AUD|Avg: $7,411 AUD
Helzberg Diamonds
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
November 6, 2026
Retailer 4$5,852 AUD
Retailer 8$5,951 AUD
Retailer 14$5,958 AUD
Retailer 12$6,015 AUD
Retailer 3$6,153 AUD
Retailer 11$6,236 AUD
Retailer 6$6,341 AUD
Retailer 7$6,546 AUD
Retailer 5$7,357 AUD
Retailer 10$7,503 AUD
Retailer 2$8,060 AUD
Retailer 13$9,798 AUD
Retailer 9$10,383 AUD
Helzberg Diamonds$10,412 AUD

22 data points across 14 retailers

14 retailers$5,852 AUD to $10,412 AUD

B+
Cheapest Retailer
-
$5,852 AUD
B+
Retailer 2
-
$5,951 AUD
View
B+
Retailer 3
-
$5,958 AUD
View
B+
Retailer 4
-
$6,015 AUD
View
B+
Retailer 5
-
$6,153 AUD
View
B+
Retailer 6
-
$6,236 AUD
View
B+
Retailer 7
-
$6,341 AUD
View
B+
Retailer 8
-
$6,546 AUD
View
B
Retailer 9
-
$7,357 AUD
View
B
Retailer 10
-
$7,503 AUD
View
B
Retailer 11
-
$8,060 AUD
View
B
Retailer 12
-
$9,798 AUD
View
B
Retailer 13
-
$10,383 AUD
View
Most Expensive
B
Helzberg Diamonds
XZRIIKHGPNJHI · Nov 6
$10,412 AUD
$7,154 USD
View
13 more retailers have this diamond
Prices start from $5,852 AUDSave up to $4,560 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 Oval
$5,852 AUD