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Oval|Natural|GIA

1.20ct K IF Oval Natural Diamond

ID • K/IF • GIA 1

Certificate GIA 1

Diamond specifications and retailer prices

From $4,307 AUD
As of November 4, 2026
Save $1,131 AUD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,437 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from $4,307 to $5,437, a $1,131 spread on the same certified stone. Blue Nile lists it at $5,437. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
K
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1
Dimensions8.47 × 5.88 × 3.71 mm
L/W Ratio1.44
Top View
8.47 mm5.88 mm1.20 ctK / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.1%

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 4
Current: $5,437 AUD|Low: $4,307 AUD|High: $5,437 AUD|Avg: $4,551 AUD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 3$4,307 AUD
Retailer 2$4,352 AUD
Blue Nile$5,437 AUD

2 data points across 3 retailers

3 retailers$4,307 AUD to $5,437 AUD

B+
Cheapest Retailer
-
$4,307 AUD
B+
Retailer 2
-
$4,352 AUD
View
Most Expensive
B
Blue Nile
24936355 · Nov 5
$5,437 AUD
$3,736 USD
View
2 more retailers have this diamond
Prices start from $4,307 AUDSave up to $1,131 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
$4,307 AUD