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Oval|Natural|GIA

1.20ct J SI2 Oval Natural Diamond

ID • J/SI2 • GIA 6551966975

Certificate GIA 6551966975

Diamond specifications and retailer prices

From $2,738 AUD
As of November 6, 2026
Save $4,877 AUD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,615 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural oval diamond

This 1.2ct 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 6551966975. Listed at 18 retailers as of November 5, 2026, with prices from $2,738 to $7,615, a $4,877 spread on the same certified stone. NZ Jewellers lists it at $7,615. 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

1.20
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551966975
Dimensions8.46 × 5.95 × 3.71 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Cloud, Crystal, Needle, Indented Natural
Top View
8.46 mm5.95 mm1.20 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6551966975
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.4%

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: $7,615 AUD|Low: $2,738 AUD|High: $7,683 AUD|Avg: $4,206 AUD|-0.9%
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
November 6, 2026
Retailer 4$2,738 AUD
Retailer 2$2,847 AUD
Retailer 12$3,234 AUD
Retailer 7$3,362 AUD
Retailer 9$3,630 AUD
Retailer 14$3,643 AUD
Retailer 8$3,675 AUD
Retailer 10$3,806 AUD
Retailer 15$3,810 AUD
Retailer 5$3,847 AUD
Retailer 11$3,854 AUD
Retailer 16$4,046 AUD
Retailer 3$4,203 AUD
Retailer 6$4,547 AUD
Retailer 13$6,363 AUD
NZ Jewellers$7,615 AUD

26 data points across 16 retailers

18 retailers$2,738 AUD to $7,615 AUD

A
Cheapest Retailer
-
$2,738 AUD
A
Retailer 2
-
$2,847 AUD
View
B+
Retailer 3
-
$3,234 AUD
View
B+
Retailer 4
-
$3,362 AUD
View
Final sale: no returns
B+
Retailer 5
-
$3,435 AUD
View
B+
Retailer 6
-
$3,630 AUD
View
B+
Retailer 7
-
$3,643 AUD
View
Retailer 8
-
$3,675 AUD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$3,753 AUD
View
B
Retailer 10
-
$3,806 AUD
View
B+
Retailer 11
-
$3,810 AUD
View
B
Retailer 12
-
$3,847 AUD
View
B+
Retailer 13
-
$3,854 AUD
View
B+
Retailer 14
-
$4,046 AUD
View
B+
Retailer 15
-
$4,203 AUD
View
B
Retailer 16
-
$4,547 AUD
View
B
Retailer 17
-
$6,363 AUD
View
Most Expensive
B
NZ Jewellers
99c0b2c0-99ac-4f66-a355-b02ee07124c4 · Nov 5
$7,615 AUD
$5,232 USD
View
17 more retailers have this diamond
Prices start from $2,738 AUDSave up to $4,877 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
1.20ct Oval
$2,738 AUD