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Princess|Lab Grown|IGI

1.00ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG740504922

Shape and cutting style on the report: Princess cut

Certificate IGI LG740504922

Diamond specifications and retailer prices

From £171 GBP
$229 USD
As of October 30, 2026
Save £1,038 GBP (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,209 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown princess diamond

This 1ct lab-grown princess sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG740504922 or 740504922. Listed at 23 retailers as of October 30, 2026, with prices from £171 to £1,209, a £1,038 spread on the same certified stone. Brilliant Earth lists it at £1,209. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG740504922
Dimensions5.45 × 5.38 × 4.00 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.45 mm5.38 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG740504922
Side View
Table 66.0%Crown 42.4°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 74.3%

Caratlytics Score

How it works →
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: £1,209 GBP|Low: £169 GBP|High: £1,321 GBP|Avg: £518 GBP|-6.4%
Brilliant Earth
Retailer 2
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Retailer 19
November 1, 2026
Retailer 9£171 GBP
Retailer 12£191 GBP
Retailer 18£199 GBP
Retailer 5£213 GBP
Retailer 11£213 GBP
Retailer 6£361 GBP
Retailer 15£365 GBP
Retailer 3£385 GBP
Retailer 2£394 GBP
Retailer 13£401 GBP
Retailer 19£419 GBP
Retailer 16£518 GBP
Retailer 4£585 GBP
Retailer 8£683 GBP
Retailer 10£722 GBP
Retailer 14£758 GBP
Retailer 17£852 GBP
Retailer 7£961 GBP
Brilliant Earth£1,209 GBP

39 data points across 19 retailers

23 retailers£171 GBP to £1,209 GBP

A
Cheapest Retailer
-
£171 GBP
$229 USD
A
Retailer 2
-
£191 GBP
$256 USD
View
Final sale: no returns
A
Retailer 3
-
£199 GBP
$266 USD
View
A
Retailer 4
-
£213 GBP
$285 USD
View
Retailer 5
-
£213 GBP
$285 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£361 GBP
$484 USD
View
A
Retailer 7
-
£365 GBP
ZAR 7,897 ZAR
View
A
Retailer 8
-
£385 GBP
$516 USD
View
A
Retailer 9
-
£394 GBP
View
A
Retailer 10
-
£401 GBP
€512 EUR
View
A
Retailer 11
-
£419 GBP
$562 USD
View
Retailer 12
-
£511 GBP
A$1,054 AUD
View
Price last confirmed 36 days ago
B+
Retailer 13
-
£518 GBP
A$1,068 AUD
View
B+
Retailer 14
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£585 GBP
$784 USD
View
Retailer 15
-
£617 GBP
$827 USD
View
Price last confirmed 34 days ago
B+
Retailer 16
-
£683 GBP
$915 USD
View
B+
Retailer 17
-
£722 GBP
$967 USD
View
B+
Retailer 18
-
£758 GBP
A$1,562 AUD
View
B+
Retailer 19
-
£772 GBP
$1,034 USD
View
Retailer 20
-
£845 GBP
$1,132 USD
View
Price last confirmed 77 days ago
B+
Retailer 21
-
£852 GBP
View
B
Retailer 22
-
£961 GBP
$1,288 USD
View
Most Expensive
B
Brilliant Earth
16462307A · Oct 31
£1,209 GBP
$1,620 USD
View
22 more retailers have this diamond
Prices start from £171 GBPSave up to £1,038 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
1.00ct Princess
£171 GBP