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Oval|Natural|GIA

1.20ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 7551080907

Certificate GIA 7551080907

Diamond specifications and retailer prices

From $2,570 AUD
As of November 6, 2026
Save $2,333 AUD (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,903 AUD at With Clarity · As of November 6, 2026
View at With Clarity

About this 1.2ct natural oval diamond

This 1.2ct natural oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551080907. Listed at 6 retailers as of November 6, 2026, with prices from $2,570 to $4,903, a $2,333 spread on the same certified stone. With Clarity lists it at $4,903. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551080907
Dimensions8.18 × 5.86 × 3.76 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
8.18 mm5.86 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551080907
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 64.1%

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: $3,579 AUD|Low: $2,570 AUD|High: $5,040 AUD|Avg: $3,697 AUD|-5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
November 6, 2026
Retailer 4$2,570 AUD
Retailer 2$2,842 AUD
Retailer 5$3,151 AUD
Retailer 1$3,579 AUD
Retailer 3$3,799 AUD
Retailer 6$3,887 AUD
Retailer 7$4,382 AUD
With Clarity$4,903 AUD

18 data points across 8 retailers

6 retailers$2,570 AUD to $4,903 AUD

A
Cheapest Retailer
-
$2,570 AUD
A
Retailer 2
-
$2,842 AUD
View
A
Retailer 3
-
$3,151 AUD
View
A
Retailer 4
-
$3,579 AUD
View
A
Retailer 5
-
$3,799 AUD
View
Most Expensive
B
With Clarity
7551080907 · Nov 6
$4,903 AUD
$3,369 USD
View
5 more retailers have this diamond
Prices start from $2,570 AUDSave up to $2,333 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
$2,570 AUD