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Princess|Lab Grown|IGI

3.21ct I VS1 Princess Lab Grown Diamond

ID • I/VS1 • IGI LG22164020

Shape and cutting style on the report: Square modified brilliant

Certificate IGI LG22164020

Diamond specifications and retailer prices

From £393 GBP
$526 USD
As of October 30, 2026
Save £2,958 GBP (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,351 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.21ct lab-grown princess diamond

This 3.21ct 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 LG22164020 or 22164020. Listed at 11 retailers as of October 29, 2026, with prices from £393 to £3,351, a £2,958 spread on the same certified stone. Do Amore Diamonds lists it at £3,351. 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

3.21
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG22164020
Dimensions8.10 × 8.03 × 5.78 mm
L/W Ratio1.01
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
8.10 mm8.03 mm3.21 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG22164020
Side View
Table 68.5%Crown 44.7°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 72.0%

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 30
Current: £3,351 GBP|Low: £440 GBP|High: £3,351 GBP|Avg: £1,313 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8£440 GBP
Retailer 2£570 GBP
Retailer 10£701 GBP
Retailer 9£755 GBP
Retailer 5£758 GBP
Retailer 11£769 GBP
Retailer 3£821 GBP
Retailer 7£1,255 GBP
Retailer 12£1,966 GBP
Retailer 4£2,047 GBP
Retailer 6£2,344 GBP
Do Amore Diamonds£3,351 GBP

26 data points across 12 retailers

11 retailers£393 GBP to £3,351 GBP

A
Cheapest Retailer
-
£393 GBP
$526 USD
A
Retailer 2
-
£440 GBP
$589 USD
View
A
Retailer 3
-
£570 GBP
View
A
Retailer 4
-
£701 GBP
$939 USD
View
A
Retailer 5
-
£755 GBP
$1,011 USD
View
B+
Retailer 6
-
£758 GBP
$1,015 USD
View
A
Retailer 7
-
£769 GBP
$1,031 USD
View
B+
Retailer 8
-
£1,255 GBP
$1,682 USD
View
B+
Retailer 9
-
£1,413 GBP
$1,893 USD
View
B+
Retailer 10
-
£2,344 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1484069 · Oct 29
£3,351 GBP
$4,490 USD
View
10 more retailers have this diamond
Prices start from £393 GBPSave up to £2,958 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
3.21ct Princess
£393 GBP