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Princess|Lab Grown|IGI

10.15ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG818606139

Shape and cutting style on the report: Princess cut

Certificate IGI LG818606139

Diamond specifications and retailer prices

From £1,635 GBP
$2,191 USD
As of November 1, 2026
Save £9,709 GBP (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £11,344 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.15ct lab-grown princess diamond

This 10.15ct 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 LG818606139 or 818606139. Listed at 3 retailers as of October 31, 2026, with prices from £1,635 to £11,344, a £9,709 spread on the same certified stone. Brilliant Earth lists it at £11,344. 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

10.15
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818606139
Dimensions12.01 × 11.96 × 8.07 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.01 mm11.96 mm10.15 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818606139
Side View
Table 68.0%Crown 40.9°Girdle: MediumPavilion 37.8°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £11,344 GBP|Low: £1,635 GBP|High: £12,561 GBP|Avg: £5,612 GBP|-9.7%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£1,635 GBP
Retailer 2£2,348 GBP
Brilliant Earth£11,344 GBP

38 data points across 3 retailers

3 retailers£1,635 GBP to £11,344 GBP

A
Cheapest Retailer
-
£1,635 GBP
$2,191 USD
Final sale: no returns
A
Retailer 2
-
£2,348 GBP
View
Most Expensive
B
Brilliant Earth
21228221A · Oct 31
£11,344 GBP
$15,200 USD
View
2 more retailers have this diamond
Prices start from £1,635 GBPSave up to £9,709 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
10.15ct Princess
£1,635 GBP