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Oval|Lab Grown|IGI

1.28ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG645454867

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG645454867

Diamond specifications and retailer prices

From $1,243 AUD
$870 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: $1,243 AUD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645454867 or 645454867. Listed at a single retailer as of November 4, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645454867
Dimensions9.03 × 6.12 × 3.75 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.03 mm6.12 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645454867
Side View
Table 61.0%Crown 35°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 61.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $32,584 AUD|Low: $700 AUD|High: $32,584 AUD|Avg: $2,592 AUD|+1362.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
March 23, 2026
Retailer 11$700 AUD
Retailer 4$733 AUD
Retailer 8$809 AUD
Retailer 5$960 AUD
Retailer 6$1,016 AUD
Retailer 9$1,079 AUD
Retailer 3$1,149 AUD
Retailer 2$1,250 AUD
Retailer 7$1,339 AUD
Retailer 10$1,546 AUD
Brilliant Earth$32,584 AUD

47 data points across 11 retailers

1 retailer

B
Brilliant Earth
17976662A · Nov 4
$1,243 AUD
$870 USD
View

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B
1.28ct Oval
$1,243 AUD