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Princess|Lab Grown|IGI

3.78ct G VS2 Princess Lab Grown Diamond

ID • G/VS2 • IGI LG680586825

Shape and cutting style on the report: Princess cut

Certificate IGI LG680586825

Diamond specifications and retailer prices

From £373 GBP
$497 USD
As of October 30, 2026
Save £1,568 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,942 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.78ct lab-grown princess diamond

This 3.78ct lab-grown princess sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG680586825 or 680586825. Listed at 13 retailers as of October 29, 2026, with prices from £373 to £1,942, a £1,568 spread on the same certified stone. MOH London lists it at £1,942. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680586825
Dimensions8.46 × 8.45 × 6.05 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm8.45 mm3.78 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680586825
Side View
Table 73.0%Crown 45.7°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 71.6%

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 30
Current: £1,942 GBP|Low: £373 GBP|High: £3,560 GBP|Avg: £1,323 GBP
MOH London
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
Retailer 17
October 30, 2026
Retailer 11£373 GBP
Retailer 5£418 GBP
Retailer 13£463 GBP
Retailer 15£509 GBP
Retailer 2£524 GBP
Retailer 12£567 GBP
Retailer 14£709 GBP
Retailer 4£719 GBP
Retailer 10£770 GBP
Retailer 6£833 GBP
Retailer 17£960 GBP
Retailer 3£1,217 GBP
Retailer 16£1,731 GBP
MOH London£1,942 GBP
Retailer 7£2,101 GBP
Retailer 9£3,101 GBP
Retailer 8£3,560 GBP

4 data points across 17 retailers

13 retailers£373 GBP to £1,942 GBP

A
Cheapest Retailer
-
£373 GBP
$497 USD
A
Retailer 2
-
£418 GBP
$556 USD
View
A
Retailer 3
-
£463 GBP
$616 USD
View
A
Retailer 4
-
£509 GBP
HK$5,300 HKD
View
A
Retailer 5
-
£524 GBP
View
A
Retailer 6
-
£567 GBP
$755 USD
View
A
Retailer 7
-
£709 GBP
$944 USD
View
B+
Retailer 8
-
£719 GBP
$957 USD
View
A
Retailer 9
-
£770 GBP
View
A
Retailer 10
-
£960 GBP
$1,278 USD
View
B+
Retailer 11
-
£1,217 GBP
$1,620 USD
View
B+
Retailer 12
-
£1,731 GBP
$2,305 USD
View
Most Expensive
B+
MOH London
LG680586825 · Oct 29
£1,942 GBP
View
12 more retailers have this diamond
Prices start from £373 GBPSave up to £1,568 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 Princess
£373 GBP