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Princess|Lab Grown|IGI

1.21ct F VVS2 Princess Lab Grown Diamond

ID • F/VVS2 • IGI LG670419516

Shape and cutting style on the report: Princess cut

Certificate IGI LG670419516

Diamond specifications and retailer prices

From £176 GBP
As of November 4, 2026
Save £757 GBP (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £933 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG670419516 or 670419516. Listed at 23 retailers as of November 2, 2026, with prices from £176 to £933, a £757 spread on the same certified stone. Brilliant Earth lists it at £933. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670419516
Dimensions5.77 × 5.64 × 4.20 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.77 mm5.64 mm1.21 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670419516
Side View
Table 68.0%Crown 44.2°Girdle: MediumPavilion 39.2°Culet: NoneDepth 74.5%

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 4
Current: £933 GBP|Low: £170 GBP|High: £933 GBP|Avg: £435 GBP
Brilliant Earth
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
November 5, 2026
Retailer 9£176 GBP
Retailer 11£204 GBP
Retailer 13£219 GBP
Retailer 8£242 GBP
Retailer 6£307 GBP
Retailer 4£356 GBP
Retailer 3£377 GBP
Retailer 2£410 GBP
Retailer 5£515 GBP
Retailer 12£536 GBP
Retailer 14£556 GBP
Retailer 10£703 GBP
Retailer 7£873 GBP
Brilliant Earth£933 GBP

36 data points across 14 retailers

23 retailers£176 GBP to £933 GBP

A
Cheapest Retailer
-
£176 GBP
A
Retailer 2
-
£198 GBP
View
Final sale: no returns
A
Retailer 3
-
£204 GBP
View
A
Retailer 4
-
£219 GBP
View
Retailer 5
-
£219 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£219 GBP
View
A
Retailer 7
-
£242 GBP
View
A
Retailer 8
-
£307 GBP
View
Retailer 9
-
£356 GBP
View
Price last confirmed 7 days ago
A
Retailer 10
-
£359 GBP
View
A
Retailer 11
-
£377 GBP
View
A
Retailer 12
-
£410 GBP
View
Retailer 13
-
£417 GBP
View
Price last confirmed 126 days ago
B+
Retailer 14
-
£451 GBP
View
Retailer 15
-
£515 GBP
View
Price last confirmed 18 days ago
B+
Retailer 16
-
£536 GBP
View
B+
Retailer 17
-
£556 GBP
View
B
Retailer 18
-
£703 GBP
View
B
Retailer 19
-
£706 GBP
View
B
Retailer 20
-
£741 GBP
View
B
Retailer 21
-
£776 GBP
View
B
Retailer 22
-
£873 GBP
View
Most Expensive
B
Brilliant Earth
14082206A · Nov 2
£933 GBP
$1,260 USD
View
22 more retailers have this diamond
Prices start from £176 GBPSave up to £757 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
£176 GBP