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Oval|Natural|GIA

1.20ct J SI2 Oval Natural Diamond

VG • J/SI2 • GIA 1453721558

Certificate GIA 1453721558

Diamond specifications and retailer prices

From $4,286 AUD
As of November 1, 2026
Save $5,215 AUD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,501 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 1453721558. Listed at 17 retailers as of November 1, 2026, with prices from $4,286 to $9,501, a $5,215 spread on the same certified stone. NZ Jewellers lists it at $9,501. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
J
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1453721558
Dimensions8.71 × 5.80 × 3.58 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizeNone
Top View
8.71 mm5.80 mm1.20 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1453721558
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,501 AUD|Low: $3,938 AUD|High: $9,501 AUD|Avg: $5,778 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
November 5, 2026
Retailer 10$4,286 AUD
Retailer 12$4,385 AUD
Retailer 13$4,560 AUD
Retailer 11$4,640 AUD
Retailer 6$4,919 AUD
Retailer 4$4,940 AUD
Retailer 14$5,130 AUD
Retailer 3$5,531 AUD
Retailer 5$5,531 AUD
Retailer 7$5,643 AUD
Retailer 2$5,645 AUD
Retailer 9$6,382 AUD
Retailer 8$9,095 AUD
NZ Jewellers$9,501 AUD

43 data points across 14 retailers

17 retailers$4,286 AUD to $9,501 AUD

B
Cheapest Retailer
-
$4,286 AUD
B
Retailer 2
-
$4,369 AUD
View
B
Retailer 3
-
$4,385 AUD
View
B
Retailer 4
-
$4,560 AUD
View
Final sale: no returns
B
Retailer 5
-
$4,640 AUD
View
Retailer 6
-
$4,940 AUD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$4,940 AUD
View
B
Retailer 8
-
$4,956 AUD
View
B
Retailer 9
-
$5,130 AUD
View
B
Retailer 10
-
$5,531 AUD
View
B
Retailer 11
-
$5,531 AUD
View
B
Retailer 12
-
$5,643 AUD
View
B
Retailer 13
-
$5,645 AUD
View
B
Retailer 14
-
$5,720 AUD
View
B
Retailer 15
-
$6,382 AUD
View
B
Retailer 16
-
$9,095 AUD
View
Most Expensive
C
NZ Jewellers
a1965308-e720-465f-949b-0b9892e8af35 · Nov 5
$9,501 AUD
$6,528 USD
View
16 more retailers have this diamond
Prices start from $4,286 AUDSave up to $5,215 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
1.20ct Oval
$4,286 AUD