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Princess|Lab Grown|IGI

15.12ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG816659403

Shape and cutting style on the report: Princess cut

Certificate IGI LG816659403

Diamond specifications and retailer prices

From £3,555 GBP
As of November 2, 2026
Save £17,803 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £23,779 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 15.12ct lab-grown princess diamond

This 15.12ct 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 LG816659403 or 816659403. Listed at 13 retailers as of November 2, 2026, with a 501% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

15.12
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816659403
Dimensions13.81 × 13.58 × 9.18 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.81 mm13.58 mm15.12 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816659403
Side View
Table 71.0%Crown 42.1°Girdle: MediumPavilion 37.5°Culet: NoneDepth 67.6%

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: Nov 2
Current: £23,779 GBP|Low: £3,555 GBP|High: £23,883 GBP|Avg: £10,858 GBP|-0.4%
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
November 2, 2026
Retailer 2£3,555 GBP
Retailer 10£4,356 GBP
Retailer 11£5,121 GBP
Retailer 7£5,770 GBP
Retailer 8£5,949 GBP
Retailer 13£6,925 GBP
Retailer 6£8,414 GBP
Retailer 3£8,819 GBP
Retailer 9£9,516 GBP
Retailer 4£11,353 GBP
Retailer 12£11,625 GBP
Retailer 5£21,357 GBP
Do Amore Diamonds£23,779 GBP

32 data points across 13 retailers

13 retailers£3,555 GBP to £21,357 GBP

A
Cheapest Retailer
-
£3,555 GBP
B+
Retailer 2
-
£4,356 GBP
$5,845 USD
View
B+
Retailer 3
-
£5,121 GBP
$6,872 USD
View
B+
Retailer 4
-
£5,770 GBP
$7,743 USD
View
B+
Retailer 5
-
£5,949 GBP
$7,983 USD
View
B+
Retailer 6
-
£6,925 GBP
€8,850 EUR
View
B
Retailer 7
-
£8,414 GBP
A$17,371 AUD
View
B+
Retailer 8
-
£8,819 GBP
$11,834 USD
View
B
Retailer 9
-
£9,516 GBP
A$19,646 AUD
View
B
Retailer 10
-
£11,353 GBP
$15,235 USD
View
B
Retailer 11
-
£11,625 GBP
$15,600 USD
View
B
Retailer 12
-
£21,357 GBP
$28,660 USD
View
Most Expensive
Do Amore Diamonds
27-A9B70B4BF · Nov 2
£23,779 GBP
$31,910 USD
View
Price under review
12 more retailers have this diamond
Prices start from £3,555 GBPSave up to £17,803 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
15.12ct Princess
£3,555 GBP