Oval|Lab Grown|IGI

2.78ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG795666506

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG795666506

Diamond specifications and retailer prices

From £618 GBP
As of October 25, 2026
Save £1,711 GBP (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,329 GBP at Brilliant Earth · As of October 26, 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 LG795666506 or 795666506. Listed at 13 retailers as of October 25, 2026, with prices from £618 to £2,329, a £1,711 spread on the same certified stone. Brilliant Earth lists it at £2,329. 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 angle34.5°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795666506
Dimensions11.44 × 7.93 × 4.95 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm7.93 mm2.78 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795666506
Side View
Table 62.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.4%

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 25
Current: £2,329 GBP|Low: £314 GBP|High: £4,686 GBP|Avg: £1,277 GBP|-4.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 25, 2026
Retailer 4£314 GBP
Retailer 15£469 GBP
Retailer 9£526 GBP
Retailer 14£556 GBP
Retailer 2£618 GBP
Retailer 5£792 GBP
Retailer 10£977 GBP
Retailer 3£1,111 GBP
Retailer 6£1,148 GBP
Retailer 12£1,216 GBP
Retailer 7£1,291 GBP
Retailer 16£1,311 GBP
Retailer 11£1,368 GBP
Retailer 13£1,523 GBP
Brilliant Earth£2,329 GBP
Retailer 8£4,686 GBP

36 data points across 16 retailers

13 retailers£618 GBP to £2,329 GBP

Retailer 1
-
£469 GBP
$628 USD
Price last confirmed 7 days ago
Retailer 2
-
£526 GBP
$705 USD
View
Price last confirmed 5 days ago
A
Retailer 3
-
£618 GBP
View
A
Retailer 4
-
£792 GBP
$1,061 USD
View
Retailer 5
-
£977 GBP
$1,309 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£1,111 GBP
SGD 2,012 SGD
View
Retailer 7
-
£1,148 GBP
$1,539 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£1,216 GBP
$1,629 USD
View
Retailer 9
-
£1,291 GBP
A$2,662 AUD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
£1,311 GBP
$1,756 USD
View
Retailer 11
-
£1,368 GBP
View
Price last confirmed 9 days ago
B
Retailer 12
-
£1,523 GBP
$2,040 USD
View
Most Expensive
B
Brilliant Earth
21191450A · Oct 26
£2,329 GBP
$3,120 USD
View
12 more retailers have this diamond
Prices start from £618 GBPSave up to £1,711 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
£618 GBP