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Princess|Lab Grown|IGI

3.78ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • IGI LG536280582

Shape and cutting style on the report: Princess cut

Certificate IGI LG536280582

Diamond specifications and retailer prices

From £630 GBP
$844 USD
As of October 30, 2026
Save £845 GBP (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,475 GBP at MOH London · As of October 26, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG536280582 or 536280582. Listed at 5 retailers as of October 26, 2026, with prices from £630 to £1,475, a £845 spread on the same certified stone. MOH London lists it at £1,475. 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536280582
Dimensions8.78 × 8.53 × 5.79 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
8.78 mm8.53 mm3.78 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536280582
Side View
Table 67.5%Crown 36.6°Girdle: MediumPavilion 38.4°Culet: NoneDepth 67.9%

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 30
Current: £1,475 GBP|Low: £537 GBP|High: £4,635 GBP|Avg: £2,027 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 3£630 GBP
Retailer 4£647 GBP
Retailer 5£1,046 GBP
Retailer 2£1,312 GBP
MOH London£1,475 GBP
Retailer 6£3,060 GBP
Retailer 7£3,060 GBP
Retailer 8£4,635 GBP

12 data points across 8 retailers

5 retailers£630 GBP to £1,475 GBP

B+
Cheapest Retailer
-
£630 GBP
$844 USD
A
Retailer 2
-
£647 GBP
$867 USD
View
A
Retailer 3
-
£1,046 GBP
$1,402 USD
View
B+
Retailer 4
-
£1,312 GBP
$1,759 USD
View
Most Expensive
B+
MOH London
LG536280582 · Oct 26
£1,475 GBP
View
4 more retailers have this diamond
Prices start from £630 GBPSave up to £845 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
£630 GBP