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Princess|Lab Grown|IGI

12.54ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG833655845

Shape and cutting style on the report: Princess cut

Certificate IGI LG833655845

Diamond specifications and retailer prices

From £2,208 GBP
$2,963 USD
As of November 1, 2026
Save £11,422 GBP (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £13,630 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.54ct lab-grown princess diamond

This 12.54ct lab-grown princess sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833655845 or 833655845. Listed at 3 retailers as of November 1, 2026, with prices from £2,208 to £13,630, a £11,422 spread on the same certified stone. Brilliant Earth lists it at £13,630. 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

12.54
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833655845
Dimensions13.00 × 12.73 × 8.53 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.00 mm12.73 mm12.54 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833655845
Side View
Table 67.0%Crown 44.5°Girdle: MediumPavilion 37.3°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £13,630 GBP|Low: £2,208 GBP|High: £15,582 GBP|Avg: £7,077 GBP|-12.5%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£2,208 GBP
Retailer 2£3,114 GBP
Brilliant Earth£13,630 GBP

36 data points across 3 retailers

3 retailers£2,208 GBP to £13,630 GBP

A
Cheapest Retailer
-
£2,208 GBP
$2,963 USD
Final sale: no returns
A
Retailer 2
-
£3,114 GBP
View
Most Expensive
B
Brilliant Earth
21234773A · Nov 2
£13,630 GBP
$18,290 USD
View
2 more retailers have this diamond
Prices start from £2,208 GBPSave up to £11,422 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
12.54ct Princess
£2,208 GBP