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Princess|Lab Grown|IGI

1.21ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG607333049

Shape and cutting style on the report: Princess cut

Certificate IGI LG607333049

Diamond specifications and retailer prices

From £192 GBP
As of November 4, 2026
Save £753 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,657 GBP at Do Amore Diamonds · As of November 3, 2026
View at Do Amore 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 LG607333049 or 607333049. Listed at 17 retailers as of November 2, 2026, with a 392% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle37.1°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607333049
Dimensions5.94 × 5.91 × 4.05 mm
L/W Ratio1.01
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
5.94 mm5.91 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607333049
Side View
Table 66.0%Crown 37.1°Girdle: MediumPavilion 38.1°Culet: NoneDepth 68.5%

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: £1,657 GBP|Low: £180 GBP|High: £1,657 GBP|Avg: £537 GBP|+6.7%
Do Amore 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
November 5, 2026
Retailer 5£192 GBP
Retailer 6£201 GBP
Retailer 8£260 GBP
Retailer 2£281 GBP
Retailer 3£287 GBP
Retailer 14£406 GBP
Retailer 9£446 GBP
Retailer 13£487 GBP
Retailer 12£544 GBP
Retailer 15£574 GBP
Retailer 10£580 GBP
Retailer 7£632 GBP
Retailer 4£885 GBP
Retailer 11£946 GBP
Do Amore Diamonds£1,657 GBP

41 data points across 15 retailers

17 retailers£192 GBP to £946 GBP

Retailer 1
-
£161 GBP
Price last confirmed 38 days ago
A
Retailer 2
-
£192 GBP
View
Final sale: no returns
Retailer 3
-
£198 GBP
View
Price last confirmed 39 days ago
A
Retailer 4
-
£260 GBP
View
A
Retailer 5
-
£281 GBP
View
A
Retailer 6
-
£287 GBP
View
Retailer 7
-
£406 GBP
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£438 GBP
View
B+
Retailer 9
-
£446 GBP
View
B+
Retailer 10
-
£544 GBP
View
Retailer 11
-
£574 GBP
View
Price last confirmed 10 days ago
B+
Retailer 12
-
£580 GBP
View
B
Retailer 13
-
£630 GBP
View
Retailer 14
-
£632 GBP
View
Price last confirmed 36 days ago
B
Retailer 15
-
£885 GBP
View
B
Retailer 16
-
£946 GBP
View
Most Expensive
Do Amore Diamonds
27-4C03DE8F3 · Nov 3
£1,657 GBP
$2,230 USD
View
Price under review
16 more retailers have this diamond
Prices start from £192 GBPSave up to £753 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
£192 GBP