Princess|Lab Grown|IGI

12.05ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG787659255

Shape and cutting style on the report: Princess cut

Certificate IGI LG787659255

Diamond specifications and retailer prices

From £2,910 GBP
$3,905 USD
As of October 29, 2026
Save £6,162 GBP (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £9,072 GBP at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 12.05ct lab-grown princess diamond

This 12.05ct 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 LG787659255 or 787659255. Listed at 12 retailers as of October 27, 2026, with prices from £2,910 to £9,072, a £6,162 spread on the same certified stone. Taylor and Hart lists it at £9,072. 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

12.05
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787659255
Dimensions12.95 × 12.78 × 8.28 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.95 mm12.78 mm12.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787659255
Side View
Table 68.0%Crown 38.4°Girdle: MediumPavilion 36°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,129 GBP|Low: £2,532 GBP|High: £9,072 GBP|Avg: £4,811 GBP|+0.6%
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
Taylor and Hart
October 29, 2026
Retailer 4£2,575 GBP
Retailer 5£2,623 GBP
Retailer 10£2,910 GBP
Retailer 6£3,527 GBP
Retailer 11£3,755 GBP
Retailer 8£3,756 GBP
Retailer 1£4,129 GBP
Retailer 3£4,145 GBP
Retailer 2£4,497 GBP
Retailer 7£4,955 GBP
Retailer 13£6,646 GBP
Retailer 12£6,654 GBP
Retailer 9£7,181 GBP
Taylor and Hart£9,072 GBP

40 data points across 14 retailers

12 retailers£2,910 GBP to £9,072 GBP

A
Cheapest Retailer
-
£2,910 GBP
$3,905 USD
A
Retailer 2
-
£3,527 GBP
View
Retailer 3
-
£3,755 GBP
$5,039 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£3,756 GBP
$5,040 USD
View
B+
Retailer 5
-
£4,129 GBP
ZAR 89,510 ZAR
View
Retailer 6
-
£4,145 GBP
$5,562 USD
View
Price last confirmed 6 days ago
B+
Retailer 7
-
£4,497 GBP
View
Retailer 8
-
£4,955 GBP
A$10,230 AUD
View
Price last confirmed 11 days ago
B
Retailer 9
-
£6,646 GBP
$8,919 USD
View
B
Retailer 10
-
£6,654 GBP
$8,930 USD
View
B
Retailer 11
-
£7,181 GBP
$9,636 USD
View
Most Expensive
B
Taylor and Hart
YB4W2V0 · Oct 27
£9,072 GBP
$12,175 USD
View
11 more retailers have this diamond
Prices start from £2,910 GBPSave up to £6,162 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
12.05ct Princess
£2,910 GBP