Princess|Lab Grown|IGI

4.21ct H VVS2 Princess Lab Grown Diamond

ID • H/VVS2 • IGI LG519238915

Shape and cutting style on the report: Princess cut

Certificate IGI LG519238915

Diamond specifications and retailer prices

From £2,821 GBP
$3,780 USD
As of October 30, 2026
15 retailers carry this diamond
Most expensive: £30,091 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.21ct lab-grown princess diamond

This 4.21ct lab-grown princess sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG519238915 or 519238915. Listed at 15 retailers as of October 30, 2026. 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

4.21
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519238915
Dimensions8.54 × 8.43 × 6.41 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
8.54 mm8.43 mm4.21 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519238915
Side View
Table 75.0%Crown 46°Girdle: ThickPavilion 40.6°Culet: NoneDepth 76.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £30,091 GBP|Low: £2,821 GBP|High: £35,241 GBP|Avg: £17,425 GBP|-10.8%
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
Retailer 16
October 30, 2026
Retailer 2£2,821 GBP
Retailer 12£12,186 GBP
Retailer 16£12,479 GBP
Retailer 6£12,937 GBP
Retailer 15£13,248 GBP
Retailer 3£13,648 GBP
Retailer 7£13,649 GBP
Retailer 14£13,983 GBP
Retailer 11£14,129 GBP
Retailer 13£14,136 GBP
Retailer 8£15,177 GBP
Retailer 4£20,257 GBP
Retailer 9£22,324 GBP
Cape Diamonds£30,091 GBP
Retailer 10£30,724 GBP
Retailer 5£35,241 GBP

22 data points across 16 retailers

15 retailers

B+
Cheapest Retailer
-
£2,821 GBP
$3,780 USD
Retailer 2
-
£12,186 GBP
$16,328 USD
View
Price under review
Retailer 3
-
£12,479 GBP
$16,720 USD
View
Price under review
Retailer 4
-
£12,937 GBP
$17,334 USD
View
Price under review
Retailer 5
-
£22,324 GBP
View
Price under review
Most Expensive
Cape Diamonds
cert_519238915 · Oct 29
£30,091 GBP
ZAR 651,346 ZAR
View
Price under review
5 more retailers have this diamond
Prices start from £2,821 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+
4.21ct Princess
£2,821 GBP