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 $870 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $870 USD 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 2, 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
Color
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 2
Current: $22,810 USD|Low: $490 USD|High: $22,810 USD|Avg: $1,815 USD|+1362.2%
Brilliant Earth
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Retailer 11
March 23, 2026
Retailer 11$490 USD
Retailer 4$514 USD
Retailer 8$566 USD
Retailer 5$673 USD
Retailer 6$711 USD
Retailer 9$755 USD
Retailer 3$805 USD
Retailer 2$875 USD
Retailer 7$937 USD
Retailer 10$1,082 USD
Brilliant Earth$22,810 USD

47 data points across 11 retailers

1 retailer

B
Brilliant Earth
17976662A · Nov 2
$870 USD
View

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
$870 USD