Oval|Lab Grown|IGI

1.28ct F VVS1 Oval Lab Grown Diamond

EX • F/VVS1 • IGI LG801608858

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG801608858

Diamond specifications and retailer prices

From £414 GBP
As of November 6, 2026
4 retailers carry this diamond
Most expensive: £700 GBP at Rare Carat · As of September 9, 2026
View at Rare Carat

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG801608858 or 801608858. Listed at 4 retailers as of November 6, 2026. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801608858
Dimensions8.79 × 6.09 × 3.76 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.79 mm6.09 mm1.28 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801608858
Side View
Table 62.0%Crown 33.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £700 GBP|Low: £192 GBP|High: £951 GBP|Avg: £491 GBP|+0.3%
Rare Carat
Retailer 2
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October 3, 2026
Retailer 13£192 GBP
Retailer 5£195 GBP
Retailer 11£238 GBP
Retailer 10£264 GBP
Retailer 8£326 GBP
Retailer 15£327 GBP
Retailer 14£344 GBP
Retailer 17£368 GBP
Retailer 2£414 GBP
Retailer 3£468 GBP
Retailer 7£487 GBP
Retailer 16£571 GBP
Retailer 9£637 GBP
Retailer 12£653 GBP
Retailer 6£666 GBP
Rare Carat£700 GBP
Retailer 4£869 GBP

51 data points across 17 retailers

4 retailers

Retailer 1
-
£192 GBP
Price last confirmed 45 days ago
A
Retailer 2
-
£414 GBP
View
Retailer 3
-
£637 GBP
View
Price last confirmed 85 days ago
Most Expensive
Rare Carat
268586088CB801 · Sep 9
£700 GBP
$942 USD
View
Price last confirmed 57 days ago
3 more retailers have this diamond
Prices start from £414 GBP

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
1.28ct Oval
£414 GBP