CaratHunter
Plans
Oval|Natural|GIA

1.21ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 6561710278

Certificate GIA 6561710278

Diamond specifications and retailer prices

From $4,301 AUD
As of November 6, 2026
Save $5,014 AUD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,315 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 6561710278. Listed at 18 retailers as of November 5, 2026, with prices from $4,301 to $9,315, a $5,014 spread on the same certified stone. NZ Jewellers lists it at $9,315. 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
FluorescenceMedium
Crown angle38.4°
Pavilion angle37.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561710278
Dimensions8.29 × 5.99 × 3.79 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Top View
8.29 mm5.99 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6561710278
Side View
Table 62.0%Crown 38.4°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 63.4%

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: $9,315 AUD|Low: $3,874 AUD|High: $9,315 AUD|Avg: $5,421 AUD
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 10$3,874 AUD
Retailer 7$3,976 AUD
Retailer 2$4,301 AUD
Retailer 17$4,456 AUD
Retailer 19$4,471 AUD
Retailer 16$4,679 AUD
Retailer 8$4,807 AUD
Retailer 3$4,844 AUD
Retailer 9$4,881 AUD
Retailer 14$5,186 AUD
Retailer 20$5,328 AUD
Retailer 15$5,330 AUD
Retailer 11$5,429 AUD
Retailer 4$5,430 AUD
Retailer 18$5,589 AUD
Retailer 6$5,733 AUD
Retailer 13$6,348 AUD
Retailer 5$6,366 AUD
Retailer 12$8,754 AUD
NZ Jewellers$9,315 AUD

6 data points across 20 retailers

18 retailers$4,301 AUD to $9,315 AUD

Retailer 1
-
$3,874 AUD
Price last confirmed 9 days ago
Retailer 2
-
$3,976 AUD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$4,301 AUD
View
A
Retailer 4
-
$4,456 AUD
View
A
Retailer 5
-
$4,471 AUD
View
Final sale: no returns
A
Retailer 6
-
$4,679 AUD
View
A
Retailer 7
-
$4,844 AUD
View
B+
Retailer 8
-
$5,186 AUD
View
B+
Retailer 9
-
$5,328 AUD
View
B+
Retailer 10
-
$5,330 AUD
View
Retailer 11
-
$5,429 AUD
View
Price last confirmed 10 days ago
Retailer 12
-
$5,430 AUD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$5,589 AUD
View
Retailer 14
-
$5,733 AUD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$6,348 AUD
View
Retailer 16
-
$6,366 AUD
View
Price last confirmed 11 days ago
Retailer 17
-
$8,754 AUD
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
5d0544a9-4ab1-41be-aa3e-a2fa5eade698 · Nov 5
$9,315 AUD
$6,400 USD
View
17 more retailers have this diamond
Prices start from $4,301 AUDSave up to $5,014 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
$4,301 AUD