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Oval|Natural|GIA

1.21ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 6525745455

Certificate GIA 6525745455

Diamond specifications and retailer prices

From $1,940 AUD
As of November 6, 2026
Save $4,411 AUD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,351 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6525745455. Listed at 13 retailers as of November 5, 2026, with prices from $1,940 to $6,351, a $4,411 spread on the same certified stone. NZ Jewellers lists it at $6,351. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6525745455
Dimensions8.30 × 5.93 × 3.73 mm
L/W Ratio1.40
Top View
8.30 mm5.93 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6525745455
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.9%

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: $6,351 AUD|Low: $1,940 AUD|High: $6,433 AUD|Avg: $3,095 AUD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$1,940 AUD
Retailer 2$2,372 AUD
Retailer 8$2,403 AUD
Retailer 9$2,604 AUD
Retailer 11$2,759 AUD
Retailer 4$2,839 AUD
Retailer 10$2,928 AUD
Retailer 7$3,004 AUD
Retailer 6$3,537 AUD
Retailer 3$4,737 AUD
NZ Jewellers$6,351 AUD

35 data points across 11 retailers

13 retailers$1,940 AUD to $6,351 AUD

A
Cheapest Retailer
-
$1,940 AUD
A
Retailer 2
-
$2,372 AUD
View
A
Retailer 3
-
$2,403 AUD
View
Final sale: no returns
B+
Retailer 4
-
$2,604 AUD
View
Retailer 5
-
$2,704 AUD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$2,742 AUD
View
B+
Retailer 7
-
$2,759 AUD
View
B+
Retailer 8
-
$2,839 AUD
View
B+
Retailer 9
-
$2,928 AUD
View
B+
Retailer 10
-
$3,004 AUD
View
B+
Retailer 11
-
$3,537 AUD
View
B
Retailer 12
-
$4,737 AUD
View
Most Expensive
B
NZ Jewellers
84352271-cd86-493c-a63c-6ddf0a0e9676 · Nov 5
$6,351 AUD
$4,364 USD
View
12 more retailers have this diamond
Prices start from $1,940 AUDSave up to $4,411 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
$1,940 AUD