Princess|Lab Grown|IGI

3.21ct J VS1 Princess Lab Grown Diamond

ID • J/VS1 • IGI LG649406071

Shape and cutting style on the report: Princess cut

Certificate IGI LG649406071

Diamond specifications and retailer prices

From £615 GBP
As of November 5, 2026
Save £988 GBP (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,603 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 3.21ct lab-grown princess diamond

This 3.21ct lab-grown princess sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649406071 or 649406071. Listed at 7 retailers as of November 3, 2026, with prices from £615 to £1,603, a £988 spread on the same certified stone. MOH London lists it at £1,603. 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
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649406071
Dimensions8.15 × 7.83 × 5.60 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.15 mm7.83 mm3.21 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649406071
Side View
Table 71.0%Crown 44°Girdle: MediumPavilion 37.7°Culet: NoneDepth 71.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £1,603 GBP|Low: £457 GBP|High: £1,623 GBP|Avg: £938 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8£457 GBP
Retailer 7£591 GBP
Retailer 2£615 GBP
Retailer 4£622 GBP
Retailer 5£624 GBP
Retailer 3£1,456 GBP
Retailer 6£1,511 GBP
MOH London£1,603 GBP

14 data points across 8 retailers

7 retailers£615 GBP to £1,603 GBP

A
Cheapest Retailer
-
£615 GBP
B+
Retailer 2
-
£622 GBP
View
A
Retailer 3
-
£624 GBP
View
Retailer 4
-
£1,456 GBP
View
Price last confirmed 19 days ago
Retailer 5
-
£1,467 GBP
View
Price last confirmed 33 days ago
B+
Retailer 6
-
£1,511 GBP
View
Most Expensive
A
MOH London
LG649406071 · Nov 3
£1,603 GBP
View
6 more retailers have this diamond
Prices start from £615 GBPSave up to £988 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
£615 GBP