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Oval|Natural|GIA

1.20ct K SI2 Oval Natural Diamond

ID • K/SI2 • GIA 6542591442

Certificate GIA 6542591442

Diamond specifications and retailer prices

From $1,895 AUD
As of November 5, 2026
Save $2,726 AUD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,621 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542591442. Listed at 11 retailers as of November 5, 2026, with prices from $1,895 to $4,621, a $2,726 spread on the same certified stone. NZ Jewellers lists it at $4,621. 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
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle37.1°
Pavilion angle37.9°
OriginNatural
Grading LabGIA
CertificateGIA 6542591442
Dimensions8.20 × 5.86 × 3.74 mm
L/W Ratio1.40
Top View
8.20 mm5.86 mm1.20 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6542591442
Side View
Table 62.0%Crown 37.1°Girdle: THK-VTKPavilion 37.9°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,937 AUD|Low: $1,936 AUD|High: $3,512 AUD|Avg: $2,396 AUD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$1,937 AUD
Retailer 5$1,982 AUD
Retailer 6$2,121 AUD
Retailer 2$2,142 AUD
Retailer 4$2,643 AUD
Retailer 3$3,461 AUD

44 data points across 6 retailers

11 retailers$1,895 AUD to $4,621 AUD

A
Cheapest Retailer
-
$1,895 AUD
Retailer 2
-
$1,895 AUD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,937 AUD
View
A
Retailer 4
-
$1,982 AUD
View
A
Retailer 5
-
$2,090 AUD
View
A
Retailer 6
-
$2,121 AUD
View
A
Retailer 7
-
$2,142 AUD
View
A
Retailer 8
-
$2,186 AUD
View
B+
Retailer 9
-
$2,643 AUD
View
B+
Retailer 10
-
$3,461 AUD
View
Most Expensive
B
NZ Jewellers
a8ea30a5-4399-4ff7-a0bc-13766b5aca26 · Nov 5
$4,621 AUD
$3,175 USD
View
10 more retailers have this diamond
Prices start from $1,895 AUDSave up to $2,726 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
$1,895 AUD