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Princess|Lab Grown|IGI

1.29ct E VS1 Princess Lab Grown Diamond

ID • E/VS1 • IGI LG813669083

Shape and cutting style on the report: Princess cut

Certificate IGI LG813669083

Diamond specifications and retailer prices

From £154 GBP
$206 USD
As of October 30, 2026
Save £846 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,000 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.29ct lab-grown princess diamond

This 1.29ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813669083 or 813669083. Listed at 20 retailers as of October 29, 2026, with prices from £154 to £1,000, a £846 spread on the same certified stone. Brilliant Earth lists it at £1,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813669083
Dimensions5.81 × 5.80 × 4.24 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.81 mm5.80 mm1.29 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813669083
Side View
Table 69.0%Crown 47.6°Girdle: MediumPavilion 38.2°Culet: NoneDepth 73.1%

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 30
Current: £1,000 GBP|Low: £150 GBP|High: £1,000 GBP|Avg: £425 GBP
Brilliant Earth
Retailer 2
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Retailer 20
October 31, 2026
Retailer 4£154 GBP
Retailer 9£172 GBP
Retailer 17£178 GBP
Retailer 5£190 GBP
Retailer 20£190 GBP
Retailer 19£240 GBP
Retailer 16£322 GBP
Retailer 10£328 GBP
Retailer 13£339 GBP
Retailer 2£347 GBP
Retailer 7£365 GBP
Retailer 6£431 GBP
Retailer 14£465 GBP
Retailer 12£530 GBP
Retailer 3£612 GBP
Retailer 18£613 GBP
Retailer 8£651 GBP
Retailer 15£891 GBP
Retailer 11£904 GBP
Brilliant Earth£1,000 GBP

40 data points across 20 retailers

20 retailers£154 GBP to £1,000 GBP

A
Cheapest Retailer
-
£154 GBP
$206 USD
A
Retailer 2
-
£172 GBP
$230 USD
View
Final sale: no returns
A
Retailer 3
-
£178 GBP
$238 USD
View
A
Retailer 4
-
£190 GBP
$255 USD
View
A
Retailer 5
-
£190 GBP
$255 USD
View
Retailer 6
-
£240 GBP
View
Price last confirmed 14 days ago
Retailer 7
-
£322 GBP
ZAR 6,964 ZAR
View
Price last confirmed 8 days ago
A
Retailer 8
-
£328 GBP
$439 USD
View
A
Retailer 9
-
£339 GBP
€432 EUR
View
A
Retailer 10
-
£347 GBP
View
A
Retailer 11
-
£365 GBP
$489 USD
View
B+
Retailer 12
-
£431 GBP
$577 USD
View
B+
Retailer 13
-
£465 GBP
A$959 AUD
View
B+
Retailer 14
-
£530 GBP
$710 USD
View
B+
Retailer 15
-
£612 GBP
$820 USD
View
B+
Retailer 16
-
£613 GBP
$822 USD
View
B+
Retailer 17
-
£651 GBP
$873 USD
View
B
Retailer 18
-
£891 GBP
View
B
Retailer 19
-
£904 GBP
$1,211 USD
View
Most Expensive
B
Brilliant Earth
20452080A · Oct 29
£1,000 GBP
$1,340 USD
View
19 more retailers have this diamond
Prices start from £154 GBPSave up to £846 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
1.29ct Princess
£154 GBP