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Princess|Lab Grown|IGI

4.91ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG622470939

Shape and cutting style on the report: Princess cut

Certificate IGI LG622470939

Diamond specifications and retailer prices

From £1,098 GBP
$1,474 USD
As of November 2, 2026
Save £2,529 GBP (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,627 GBP at Frank Darling · As of November 3, 2026
View at Frank Darling

About this 4.91ct lab-grown princess diamond

This 4.91ct 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 LG622470939 or 622470939. Listed at 3 retailers as of November 2, 2026, with prices from £1,098 to £3,627, a £2,529 spread on the same certified stone. Frank Darling lists it at £3,627. 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

4.91
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622470939
Dimensions9.50 × 9.13 × 6.47 mm
L/W Ratio1.04
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
9.50 mm9.13 mm4.91 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622470939
Side View
Table 71.0%Crown 44.1°Girdle: MediumPavilion 38.6°Culet: NoneDepth 70.9%

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: Nov 2
Current: £3,627 GBP|Low: £435 GBP|High: £4,613 GBP|Avg: £1,912 GBP
Frank Darling
Retailer 2
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October 18, 2026
Retailer 11£435 GBP
Retailer 13£594 GBP
Retailer 4£955 GBP
Retailer 8£1,065 GBP
Retailer 7£1,098 GBP
Retailer 5£1,099 GBP
Retailer 14£1,125 GBP
Retailer 9£1,583 GBP
Retailer 10£2,067 GBP
Retailer 3£2,137 GBP
Retailer 2£2,631 GBP
Frank Darling£3,627 GBP
Retailer 12£3,666 GBP
Retailer 6£4,613 GBP

3 data points across 14 retailers

3 retailers£1,098 GBP to £3,627 GBP

A
Cheapest Retailer
-
£1,098 GBP
$1,474 USD
Retailer 2
-
£2,631 GBP
$3,530 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Frank Darling
LVA16-023BA · Nov 3
£3,627 GBP
$4,867 USD
View
2 more retailers have this diamond
Prices start from £1,098 GBPSave up to £2,529 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
4.91ct Princess
£1,098 GBP