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Princess|Lab Grown|IGI

1.21ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG602313766

Shape and cutting style on the report: Princess cut

Certificate IGI LG602313766

Diamond specifications and retailer prices

From £178 GBP
As of November 4, 2026
Save £801 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £979 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.21ct lab-grown princess diamond

This 1.21ct lab-grown princess sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG602313766 or 602313766. Listed at 18 retailers as of November 4, 2026, with prices from £178 to £979, a £801 spread on the same certified stone. Reve Diamonds lists it at £979. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602313766
Dimensions5.90 × 5.84 × 4.22 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
5.90 mm5.84 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602313766
Side View
Table 69.0%Crown 45.3°Girdle: MediumPavilion 39.9°Culet: NoneDepth 72.3%

Caratlytics Score

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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 4
Current: £412 GBP|Low: £170 GBP|High: £979 GBP|Avg: £469 GBP|+9.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Reve Diamonds
November 5, 2026
Retailer 13£178 GBP
Retailer 8£198 GBP
Retailer 5£206 GBP
Retailer 3£220 GBP
Retailer 15£220 GBP
Retailer 4£337 GBP
Retailer 16£371 GBP
Retailer 10£380 GBP
Retailer 6£397 GBP
Retailer 1£412 GBP
Retailer 9£539 GBP
Retailer 14£594 GBP
Retailer 2£707 GBP
Retailer 12£710 GBP
Retailer 7£746 GBP
Retailer 11£883 GBP
Reve Diamonds£979 GBP

45 data points across 17 retailers

18 retailers£178 GBP to £979 GBP

A
Cheapest Retailer
-
£178 GBP
A
Retailer 2
-
£198 GBP
View
Final sale: no returns
A
Retailer 3
-
£206 GBP
View
A
Retailer 4
-
£220 GBP
View
Retailer 5
-
£220 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£337 GBP
View
B+
Retailer 7
-
£371 GBP
View
A
Retailer 8
-
£380 GBP
View
B+
Retailer 9
-
£397 GBP
View
B+
Retailer 10
-
£412 GBP
View
B+
Retailer 11
-
£476 GBP
View
B+
Retailer 12
-
£539 GBP
View
B
Retailer 13
-
£594 GBP
View
B
Retailer 14
-
£707 GBP
View
B
Retailer 15
-
£710 GBP
View
B
Retailer 16
-
£746 GBP
View
Retailer 17
-
£883 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Reve Diamonds
F05BD8F5E · Nov 4
£979 GBP
$1,318 USD
View
17 more retailers have this diamond
Prices start from £178 GBPSave up to £801 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
1.21ct Princess
£178 GBP