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Oval|Lab Grown|IGI

2.78ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG831642652

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831642652

Diamond specifications and retailer prices

From £494 GBP
$662 USD
As of October 29, 2026
Save £2,827 GBP (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,321 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.78ct lab-grown oval diamond

This 2.78ct lab-grown oval sits in the two to three carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831642652 or 831642652. Listed at 5 retailers as of October 29, 2026, with prices from £494 to £3,321, a £2,827 spread on the same certified stone. Brilliant Earth lists it at £3,321. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.78
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831642652
Dimensions11.30 × 8.00 × 4.88 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.30 mm8.00 mm2.78 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831642652
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,321 GBP|Low: £440 GBP|High: £3,321 GBP|Avg: £787 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 6£440 GBP
Retailer 3£494 GBP
Retailer 8£512 GBP
Retailer 4£613 GBP
Retailer 2£632 GBP
Retailer 7£889 GBP
Retailer 9£1,093 GBP
Retailer 5£1,541 GBP
Brilliant Earth£3,321 GBP

12 data points across 9 retailers

5 retailers£494 GBP to £3,321 GBP

A
Cheapest Retailer
-
£494 GBP
$662 USD
B+
Retailer 2
-
£512 GBP
$686 USD
View
A
Retailer 3
-
£632 GBP
$847 USD
View
Retailer 4
-
£1,541 GBP
$2,065 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Brilliant Earth
22295712A · Oct 29
£3,321 GBP
$4,450 USD
View
4 more retailers have this diamond
Prices start from £494 GBPSave up to £2,827 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
2.78ct Oval
£494 GBP