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Princess|Lab Grown|IGI

1.20ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG833683190

Shape and cutting style on the report: Princess cut

Certificate IGI LG833683190

Diamond specifications and retailer prices

From £161 GBP
As of November 4, 2026
Save £1,221 GBP (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,382 GBP at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown princess diamond

This 1.2ct 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 LG833683190 or 833683190. Listed at 9 retailers as of November 4, 2026, with prices from £161 to £1,382, a £1,221 spread on the same certified stone. Do Amore Diamonds lists it at £1,382. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833683190
Dimensions5.83 × 5.77 × 4.21 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.83 mm5.77 mm1.20 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833683190
Side View
Table 68.0%Crown 45.8°Girdle: MediumPavilion 39.3°Culet: NoneDepth 73.0%

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: £1,382 GBP|Low: £161 GBP|High: £1,553 GBP|Avg: £528 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6£161 GBP
Retailer 10£266 GBP
Retailer 8£271 GBP
Retailer 9£293 GBP
Retailer 7£343 GBP
Retailer 4£476 GBP
Retailer 2£541 GBP
Retailer 5£646 GBP
Retailer 3£886 GBP
Do Amore Diamonds£1,382 GBP

18 data points across 10 retailers

9 retailers£161 GBP to £1,382 GBP

A
Cheapest Retailer
-
£161 GBP
A
Retailer 2
-
£271 GBP
View
A
Retailer 3
-
£343 GBP
View
Retailer 4
-
£476 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£541 GBP
View
B
Retailer 6
-
£646 GBP
View
B
Retailer 7
-
£711 GBP
View
B
Retailer 8
-
£886 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1798193 · Nov 5
£1,382 GBP
$1,860 USD
View
8 more retailers have this diamond
Prices start from £161 GBPSave up to £1,221 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
1.20ct Princess
£161 GBP