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Oval|Natural|GIA

1.21ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 5566279706

Certificate GIA 5566279706

Diamond specifications and retailer prices

From $6,816 AUD
As of November 5, 2026
Save $7,471 AUD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $14,286 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 5566279706. Listed at 10 retailers as of November 5, 2026, with prices from $6,816 to $14,286, a $7,471 spread on the same certified stone. NZ Jewellers lists it at $14,286. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566279706
Dimensions8.91 × 5.64 × 3.55 mm
L/W Ratio1.58
Girdle conditionFaceted
Top View
8.91 mm5.64 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566279706
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCuletDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $14,286 AUD|Low: $6,816 AUD|High: $14,286 AUD|Avg: $9,173 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$6,816 AUD
Retailer 8$7,326 AUD
Retailer 6$7,738 AUD
Retailer 10$7,738 AUD
Retailer 2$8,287 AUD
Retailer 4$8,331 AUD
Retailer 7$8,929 AUD
Retailer 3$9,186 AUD
Retailer 5$12,550 AUD
NZ Jewellers$14,286 AUD

40 data points across 10 retailers

10 retailers$6,816 AUD to $14,286 AUD

B+
Cheapest Retailer
-
$6,816 AUD
B+
Retailer 2
-
$7,326 AUD
View
B
Retailer 3
-
$7,738 AUD
View
B
Retailer 4
-
$7,738 AUD
View
B
Retailer 5
-
$8,287 AUD
View
B
Retailer 6
-
$8,331 AUD
View
B
Retailer 7
-
$8,929 AUD
View
B
Retailer 8
-
$9,186 AUD
View
B
Retailer 9
-
$12,550 AUD
View
Most Expensive
B
NZ Jewellers
4bdff83f-f179-46c7-97ab-fbb2609fd2ca · Nov 5
$14,286 AUD
$9,816 USD
View
9 more retailers have this diamond
Prices start from $6,816 AUDSave up to $7,471 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
$6,816 AUD