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Oval|Natural|GIA

1.21ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1232561133

Certificate GIA 1232561133

Diamond specifications and retailer prices

From $4,782 AUD
As of November 6, 2026
Save $1,796 AUD (27%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,578 AUD at Jared · As of November 6, 2026
View at Jared

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded E 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 1232561133. Listed at 8 retailers as of November 6, 2026, with prices from $4,782 to $6,578, a $1,796 spread on the same certified stone. Jared lists it at $6,578. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.48°
Pavilion angle38.65°
OriginNatural
Grading LabGIA
CertificateGIA 1232561133
Dimensions8.11 × 5.96 × 3.77 mm
L/W Ratio1.36
Culet sizeNone
Top View
8.11 mm5.96 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232561133
Side View
Table 56.0%Crown 39.48°Girdle: STK-THKPavilion 38.65°Culet: NoneDepth 63.3%

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: $6,578 AUD|Low: $4,782 AUD|High: $6,578 AUD|Avg: $5,597 AUD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 18, 2026
Retailer 4$4,782 AUD
Retailer 5$4,784 AUD
Retailer 2$4,868 AUD
Retailer 6$4,902 AUD
Retailer 3$6,004 AUD
Retailer 7$6,360 AUD
Retailer 8$6,360 AUD
Jared$6,578 AUD

5 data points across 8 retailers

8 retailers$4,782 AUD to $6,578 AUD

A
Cheapest Retailer
-
$4,782 AUD
A
Retailer 2
-
$4,784 AUD
View
A
Retailer 3
-
$4,868 AUD
View
A
Retailer 4
-
$4,902 AUD
View
B+
Retailer 5
-
$6,004 AUD
View
B+
Retailer 6
-
$6,360 AUD
View
B+
Retailer 7
-
$6,360 AUD
View
Most Expensive
B
Jared
156204466 · Nov 6
$6,578 AUD
$4,520 USD
View
7 more retailers have this diamond
Prices start from $4,782 AUDSave up to $1,796 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 Oval
$4,782 AUD