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Oval|Lab Grown|IGI

3.78ct G VVS2 Oval Lab Grown Diamond

EX • G/VVS2 • IGI LG817603443

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817603443

Diamond specifications and retailer prices

From £411 GBP
$546 USD
As of October 28, 2026
Save £2,873 GBP (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,284 GBP at Frank Darling · As of October 29, 2026
View at Frank Darling

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 LG817603443 or 817603443. Listed at 5 retailers as of October 28, 2026, with prices from £411 to £3,284, a £2,873 spread on the same certified stone. Frank Darling lists it at £3,284. 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 angle35.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817603443
Dimensions12.41 × 8.73 × 5.51 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.41 mm8.73 mm3.78 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817603443
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £3,284 GBP|Low: £406 GBP|High: £3,284 GBP|Avg: £1,517 GBP|+0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 2£411 GBP
Retailer 3£574 GBP
Retailer 6£689 GBP
Retailer 4£1,474 GBP
Retailer 5£2,487 GBP
Frank Darling£3,284 GBP

15 data points across 6 retailers

5 retailers£411 GBP to £3,284 GBP

A
Cheapest Retailer
-
£411 GBP
$546 USD
Final sale: no returns
B+
Retailer 2
-
£574 GBP
$763 USD
View
B+
Retailer 3
-
£1,474 GBP
$1,959 USD
View
B
Retailer 4
-
£2,487 GBP
$3,305 USD
View
Most Expensive
B
Frank Darling
100190018148KD · Oct 29
£3,284 GBP
$4,363 USD
View
4 more retailers have this diamond
Prices start from £411 GBPSave up to £2,873 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
£411 GBP