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Princess|Lab Grown|IGI

3.25ct I VS1 Princess Lab Grown Diamond

ID • I/VS1 • IGI LG502155923

Shape and cutting style on the report: Princess cut

Certificate IGI LG502155923

Diamond specifications and retailer prices

From £1,575 GBP
$2,110 USD
As of October 30, 2026
Save £11,051 GBP (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £15,709 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.25ct lab-grown princess diamond

This 3.25ct lab-grown princess sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG502155923 or 502155923. Listed at 14 retailers as of October 29, 2026, with a 702% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.25
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502155923
Dimensions8.01 × 8.01 × 5.70 mm
L/W Ratio1.00
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
8.01 mm8.01 mm3.25 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502155923
Side View
Table 70.5%Crown 47.9°Girdle: MediumPavilion 38.8°Culet: NoneDepth 71.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £15,709 GBP|Low: £1,575 GBP|High: £16,986 GBP|Avg: £7,883 GBP|-7.5%
Cape Diamonds
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
October 30, 2026
Retailer 2£1,575 GBP
Retailer 10£5,832 GBP
Retailer 14£6,065 GBP
Retailer 4£6,225 GBP
Retailer 15£6,531 GBP
Retailer 5£6,717 GBP
Retailer 11£6,765 GBP
Retailer 6£6,930 GBP
Retailer 9£7,525 GBP
Retailer 13£7,608 GBP
Retailer 12£7,831 GBP
Retailer 7£8,716 GBP
Retailer 3£9,691 GBP
Retailer 8£12,626 GBP
Cape Diamonds£15,709 GBP

22 data points across 15 retailers

14 retailers£1,575 GBP to £12,626 GBP

B+
Cheapest Retailer
-
£1,575 GBP
$2,110 USD
B
Retailer 2
-
£5,832 GBP
$7,814 USD
View
B
Retailer 3
-
£6,065 GBP
$8,127 USD
View
B
Retailer 4
-
£6,225 GBP
$8,341 USD
View
B
Retailer 5
-
£6,531 GBP
$8,751 USD
View
Final sale: no returns
B
Retailer 6
-
£6,717 GBP
$9,000 USD
View
B
Retailer 7
-
£6,765 GBP
$9,065 USD
View
Retailer 8
-
£6,765 GBP
$9,065 USD
View
Price last confirmed 14 days ago
B
Retailer 9
-
£7,525 GBP
$10,083 USD
View
B
Retailer 10
-
£7,608 GBP
$10,194 USD
View
B
Retailer 11
-
£7,831 GBP
$10,493 USD
View
B
Retailer 12
-
£9,691 GBP
View
B
Retailer 13
-
£12,626 GBP
View
Most Expensive
Cape Diamonds
cert_502155923 · Oct 29
£15,709 GBP
ZAR 340,030 ZAR
View
Price under review
13 more retailers have this diamond
Prices start from £1,575 GBPSave up to £11,051 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.

B+
3.25ct Princess
£1,575 GBP