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Oval|Lab Grown|IGI

1.28ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG777608762

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG777608762

Diamond specifications and retailer prices

From £539 GBP
As of November 2, 2026
Save £175 GBP (25%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £713 GBP at The Diamond Guys · As of November 3, 2026
View at The Diamond Guys

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG777608762 or 777608762. Listed at 3 retailers as of November 2, 2026, with prices from £539 to £713, a £175 spread on the same certified stone. The Diamond Guys lists it at £713. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777608762
Dimensions8.82 × 6.18 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Top View
8.82 mm6.18 mm1.28 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777608762
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

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: £539 GBP|Low: £113 GBP|High: £1,348 GBP|Avg: £513 GBP|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 3£276 GBP
Retailer 9£361 GBP
Retailer 12£370 GBP
Retailer 5£373 GBP
Retailer 7£397 GBP
Retailer 10£451 GBP
Retailer 6£516 GBP
Retailer 1£539 GBP
Retailer 8£633 GBP
The Diamond Guys£713 GBP
Retailer 4£733 GBP
Retailer 2£747 GBP
Retailer 11£1,348 GBP

51 data points across 13 retailers

3 retailers£539 GBP to £713 GBP

Retailer 1
-
£361 GBP
Price last confirmed 157 days ago
B
Retailer 2
-
£539 GBP
View
Most Expensive
B
The Diamond Guys
1955242113 · Nov 3
£713 GBP
$963 USD
View
2 more retailers have this diamond
Prices start from £539 GBPSave up to £175 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.

B
1.28ct Oval
£539 GBP