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Oval|Natural|GIA

1.20ct K SI1 Oval Natural Diamond

ID • K/SI1 • GIA 6365749321

Certificate GIA 6365749321

Diamond specifications and retailer prices

From $3,481 AUD
As of November 6, 2026
Save $4,817 AUD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,299 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6365749321. Listed at 15 retailers as of November 5, 2026, with prices from $3,481 to $8,299, a $4,817 spread on the same certified stone. NZ Jewellers lists it at $8,299. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6365749321
Dimensions8.36 × 5.96 × 3.66 mm
L/W Ratio1.40
Top View
8.36 mm5.96 mm1.20 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6365749321
Side View
Table 59.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,299 AUD|Low: $3,908 AUD|High: $8,299 AUD|Avg: $4,993 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$3,908 AUD
Retailer 10$3,970 AUD
Retailer 7$4,093 AUD
Retailer 6$4,122 AUD
Retailer 3$4,202 AUD
Retailer 9$4,580 AUD
Retailer 4$4,845 AUD
Retailer 2$4,928 AUD
Retailer 5$6,771 AUD
NZ Jewellers$8,299 AUD

45 data points across 10 retailers

15 retailers$3,481 AUD to $8,299 AUD

B+
Cheapest Retailer
-
$3,481 AUD
B+
Retailer 2
-
$3,556 AUD
View
B+
Retailer 3
-
$3,678 AUD
View
B
Retailer 4
-
$3,908 AUD
View
Retailer 5
-
$3,970 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,970 AUD
View
B+
Retailer 7
-
$4,093 AUD
View
B+
Retailer 8
-
$4,122 AUD
View
B+
Retailer 9
-
$4,174 AUD
View
B+
Retailer 10
-
$4,202 AUD
View
B
Retailer 11
-
$4,580 AUD
View
B
Retailer 12
-
$4,845 AUD
View
B
Retailer 13
-
$4,928 AUD
View
B
Retailer 14
-
$6,771 AUD
View
Most Expensive
B
NZ Jewellers
ad48bb8c-3d38-4bf6-abac-730706f6c1bb · Nov 5
$8,299 AUD
$5,702 USD
View
14 more retailers have this diamond
Prices start from $3,481 AUDSave up to $4,817 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
$3,481 AUD