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Oval|Natural|GIA

1.20ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 2537846350

Certificate GIA 2537846350

Diamond specifications and retailer prices

From $4,547 AUD
As of November 6, 2026
Save $5,680 AUD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,227 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 D 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 2537846350. Listed at 24 retailers as of November 5, 2026, with prices from $4,547 to $10,227, a $5,680 spread on the same certified stone. NZ Jewellers lists it at $10,227. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33.05°
Pavilion angle39.56°
OriginNatural
Grading LabGIA
CertificateGIA 2537846350
Dimensions8.54 × 5.93 × 3.78 mm
L/W Ratio1.44
Top View
8.54 mm5.93 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2537846350
Side View
Table 62.0%Crown 33.05°Girdle: STK-THKPavilion 39.56°Culet: NoneDepth 63.8%

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: $4,547 AUD|Low: $4,547 AUD|High: $9,935 AUD|Avg: $6,372 AUD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$4,547 AUD
Retailer 8$4,564 AUD
Retailer 5$5,221 AUD
Retailer 2$5,694 AUD
Retailer 3$5,945 AUD
Retailer 6$6,641 AUD
Retailer 4$7,165 AUD
Retailer 7$9,815 AUD

27 data points across 8 retailers

24 retailers$4,547 AUD to $10,227 AUD

A
Cheapest Retailer
-
$4,547 AUD
A
Retailer 2
-
$4,564 AUD
View
A
Retailer 3
-
$5,012 AUD
View
B+
Retailer 4
-
$5,165 AUD
View
A
Retailer 5
-
$5,221 AUD
View
B+
Retailer 6
-
$5,417 AUD
View
Final sale: no returns
B+
Retailer 7
-
$5,424 AUD
View
B+
Retailer 8
-
$5,596 AUD
View
B+
Retailer 9
-
$5,694 AUD
View
B+
Retailer 10
-
$5,758 AUD
View
Retailer 11
-
$5,870 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$5,870 AUD
View
B+
Retailer 13
-
$5,870 AUD
View
B+
Retailer 14
-
$5,945 AUD
View
B+
Retailer 15
-
$6,062 AUD
View
B+
Retailer 16
-
$6,142 AUD
View
Retailer 17
-
$6,293 AUD
View
Price last confirmed 33 days ago
B+
Retailer 18
-
$6,641 AUD
View
B+
Retailer 19
-
$6,773 AUD
View
B+
Retailer 20
-
$7,165 AUD
View
B
Retailer 21
-
$8,596 AUD
View
B
Retailer 22
-
$8,837 AUD
View
B
Retailer 23
-
$9,815 AUD
View
Most Expensive
B
NZ Jewellers
bdb9aff4-b9dd-4ab4-b5e2-625996455444 · Nov 5
$10,227 AUD
$7,027 USD
View
23 more retailers have this diamond
Prices start from $4,547 AUDSave up to $5,680 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
$4,547 AUD