Princess|Lab Grown|IGI

4.15ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG576330168

Shape and cutting style on the report: Princess cut

Certificate IGI LG576330168

Diamond specifications and retailer prices

From £657 GBP
$880 USD
As of October 30, 2026
Save £2,105 GBP (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,761 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.15ct lab-grown princess diamond

This 4.15ct lab-grown princess sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG576330168 or 576330168. Listed at 3 retailers as of October 30, 2026, with prices from £657 to £2,761, a £2,105 spread on the same certified stone. Brilliant Earth lists it at £2,761. 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

4.15
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576330168
Dimensions8.99 × 8.81 × 6.08 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.99 mm8.81 mm4.15 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG576330168
Side View
Table 71.0%Crown 42°Girdle: THN-MEDPavilion 38.3°Culet: NoneDepth 69.0%

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: £2,761 GBP|Low: £657 GBP|High: £4,844 GBP|Avg: £1,433 GBP|-43.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3£657 GBP
Retailer 2£748 GBP
Retailer 6£766 GBP
Retailer 4£836 GBP
Retailer 7£855 GBP
Retailer 9£1,068 GBP
Retailer 5£1,859 GBP
Retailer 8£1,928 GBP
Brilliant Earth£2,761 GBP

10 data points across 9 retailers

3 retailers£657 GBP to £2,761 GBP

B+
Cheapest Retailer
-
£657 GBP
$880 USD
A
Retailer 2
-
£748 GBP
€954 EUR
View
Most Expensive
B
Brilliant Earth
21837152A · Oct 30
£2,761 GBP
$3,700 USD
View
2 more retailers have this diamond
Prices start from £657 GBPSave up to £2,105 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
4.15ct Princess
£657 GBP