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Oval|Natural|GIA

1.28ct I I1 Oval Natural Diamond

I/I1 • GIA 6422491773

Certificate GIA 6422491773

Diamond specifications and retailer prices

From $3,215 AUD
HK$17,600 HKD
As of November 1, 2026
Save $1,806 AUD (36%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,967 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.28ct natural oval diamond

This 1.28ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and I1 clarity (included) and certified by GIA 6422491773. Listed at 7 retailers as of November 1, 2026, with a 56% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
I
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6422491773
Dimensions8.41 × 5.88 × 3.86 mm
L/W Ratio1.43
Top View
8.41 mm5.88 mm1.28 ctI / I1
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateGIA 6422491773
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.6%

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 1
Current: $3,215 AUD|Low: $3,178 AUD|High: $5,104 AUD|Avg: $3,983 AUD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 1$3,215 AUD
Retailer 9$3,264 AUD
Retailer 8$3,480 AUD
Retailer 6$3,564 AUD
Retailer 3$3,885 AUD
Retailer 5$3,885 AUD
Retailer 4$4,483 AUD
Retailer 2$5,021 AUD
Retailer 7$5,104 AUD

17 data points across 9 retailers

7 retailers$3,215 AUD to $5,021 AUD

B+
Cheapest Retailer
-
$3,215 AUD
HK$17,600 HKD
B+
Retailer 2
-
$3,885 AUD
$2,723 USD
View
B+
Retailer 3
-
$3,885 AUD
$2,723 USD
View
B+
Retailer 4
-
$4,035 AUD
$2,828 USD
View
B+
Retailer 5
-
$4,483 AUD
$3,142 USD
View
B
Retailer 6
-
$5,021 AUD
€3,351 EUR
View
Most Expensive
NZ Jewellers
ba3c7492-0882-4861-816f-a74757570a38 · Nov 2
$8,967 AUD
$6,284 USD
View
Price under review
6 more retailers have this diamond
Prices start from $3,215 AUDSave up to $1,806 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+
1.28ct Oval
$3,215 AUD