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Oval|Lab Grown|IGI

3.78ct G VVS2 Oval Lab Grown Diamond

EX • G/VVS2 • IGI LG807697443

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG807697443

Diamond specifications and retailer prices

From £383 GBP
$510 USD
As of October 29, 2026
Save £2,546 GBP (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,929 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.78ct lab-grown oval diamond

This 3.78ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG807697443 or 807697443. Listed at 5 retailers as of October 29, 2026, with prices from £383 to £2,929, a £2,546 spread on the same certified stone. Brilliant Earth lists it at £2,929. 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

3.78
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807697443
Dimensions12.38 × 8.83 × 5.43 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.38 mm8.83 mm3.78 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807697443
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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: £2,929 GBP|Low: £378 GBP|High: £3,019 GBP|Avg: £1,370 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 3£383 GBP
Retailer 6£518 GBP
Retailer 8£623 GBP
Retailer 2£735 GBP
Retailer 5£1,015 GBP
Retailer 9£1,102 GBP
Retailer 7£1,339 GBP
Retailer 10£1,694 GBP
Retailer 4£2,587 GBP
Brilliant Earth£2,929 GBP

37 data points across 10 retailers

5 retailers£383 GBP to £2,929 GBP

A
Cheapest Retailer
-
£383 GBP
$510 USD
Final sale: no returns
A
Retailer 2
-
£735 GBP
View
Retailer 3
-
£1,015 GBP
$1,351 USD
View
Price last confirmed 44 days ago
B
Retailer 4
-
£2,587 GBP
$3,445 USD
View
Most Expensive
B
Brilliant Earth
20367364A · Oct 30
£2,929 GBP
$3,900 USD
View
4 more retailers have this diamond
Prices start from £383 GBPSave up to £2,546 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
3.78ct Oval
£383 GBP