Princess|Lab Grown|IGI

10.56ct E VS1 Princess Lab Grown Diamond

ID • E/VS1 • IGI LG662429694

Shape and cutting style on the report: Princess cut

Certificate IGI LG662429694

Diamond specifications and retailer prices

From £2,087 GBP
$2,796 USD
As of October 27, 2026
Save £16,325 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £18,412 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 10.56ct lab-grown princess diamond

This 10.56ct lab-grown princess sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662429694 or 662429694. Listed at 21 retailers as of October 26, 2026, with prices from £2,087 to £18,412, a £16,325 spread on the same certified stone. Brilliant Earth lists it at £18,412. 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

10.56
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.4°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662429694
Dimensions12.09 × 11.75 × 8.23 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.09 mm11.75 mm10.56 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662429694
Side View
Table 68.0%Crown 48.4°Girdle: MediumPavilion 36.2°Culet: NoneDepth 70.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £18,412 GBP|Low: £2,003 GBP|High: £18,412 GBP|Avg: £4,642 GBP
Brilliant Earth
Retailer 2
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Retailer 20
October 31, 2026
Retailer 8£2,087 GBP
Retailer 5£2,226 GBP
Retailer 12£2,270 GBP
Retailer 9£2,420 GBP
Retailer 18£2,426 GBP
Retailer 3£2,675 GBP
Retailer 15£3,114 GBP
Retailer 11£3,327 GBP
Retailer 13£3,383 GBP
Retailer 17£3,569 GBP
Retailer 6£3,756 GBP
Retailer 10£3,766 GBP
Retailer 19£3,981 GBP
Retailer 7£4,493 GBP
Retailer 16£5,929 GBP
Retailer 20£6,155 GBP
Retailer 14£6,442 GBP
Retailer 2£6,622 GBP
Retailer 4£8,039 GBP
Brilliant Earth£18,412 GBP

44 data points across 20 retailers

21 retailers£2,087 GBP to £18,412 GBP

A
Cheapest Retailer
-
£2,087 GBP
$2,796 USD
A
Retailer 2
-
£2,226 GBP
$2,982 USD
View
Final sale: no returns
Retailer 3
-
£2,270 GBP
$3,042 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£2,420 GBP
$3,243 USD
View
Retailer 5
-
£2,420 GBP
$3,243 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
£2,426 GBP
$3,250 USD
View
A
Retailer 7
-
£2,675 GBP
HK$28,000 HKD
View
A
Retailer 8
-
£3,114 GBP
View
A
Retailer 9
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£3,327 GBP
$4,458 USD
View
A
Retailer 10
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£3,383 GBP
$4,533 USD
View
A
Retailer 11
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£3,569 GBP
ZAR 77,257 ZAR
View
A
Retailer 12
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£3,756 GBP
€4,793 EUR
View
A
Retailer 13
-
£3,766 GBP
$5,046 USD
View
A
Retailer 14
-
£3,981 GBP
View
Retailer 15
-
£4,493 GBP
A$9,261 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
£5,929 GBP
$7,944 USD
View
B+
Retailer 17
-
£6,155 GBP
$8,247 USD
View
B+
Retailer 18
-
£6,442 GBP
$8,632 USD
View
B+
Retailer 19
-
£6,622 GBP
A$13,651 AUD
View
B
Retailer 20
-
£8,039 GBP
$10,771 USD
View
Most Expensive
B
Brilliant Earth
18017270A · Oct 26
£18,412 GBP
$24,670 USD
View
20 more retailers have this diamond
Prices start from £2,087 GBPSave up to £16,325 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
10.56ct Princess
£2,087 GBP