Princess|Lab Grown|IGI

2.99ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG817691186

Shape and cutting style on the report: Princess cut

Certificate IGI LG817691186

Diamond specifications and retailer prices

From £366 GBP
As of November 4, 2026
Save £964 GBP (72%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,330 GBP at Brilliance · As of November 5, 2026
View at Brilliance

About this 2.99ct lab-grown princess diamond

This 2.99ct lab-grown princess sits in the two to three carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817691186 or 817691186. Listed at 3 retailers as of November 4, 2026, with prices from £366 to £1,330, a £964 spread on the same certified stone. Brilliance lists it at £1,330. 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

2.99
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817691186
Dimensions7.97 × 7.84 × 5.42 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm7.84 mm2.99 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817691186
Side View
Table 71.0%Crown 40.4°Girdle: MediumPavilion 37.9°Culet: NoneDepth 69.1%

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 4
Current: £1,330 GBP|Low: £363 GBP|High: £2,135 GBP|Avg: £1,123 GBP|-2.6%
Brilliance
Retailer 2
Retailer 3
Retailer 4
October 27, 2026
Retailer 2£366 GBP
Retailer 3£516 GBP
Brilliance£1,330 GBP
Retailer 4£2,135 GBP

11 data points across 4 retailers

3 retailers£366 GBP to £1,330 GBP

A
Cheapest Retailer
-
£366 GBP
Final sale: no returns
B+
Retailer 2
-
£516 GBP
View
Most Expensive
B+
Brilliance
D45322070 · Nov 5
£1,330 GBP
$1,790 USD
View
2 more retailers have this diamond
Prices start from £366 GBPSave up to £964 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
2.99ct Princess
£366 GBP