Princess|Lab Grown|IGI

1.23ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG707543071

Shape and cutting style on the report: Princess cut

Certificate IGI LG707543071

Diamond specifications and retailer prices

From £366 GBP
$491 USD
As of October 25, 2026
Save £1,057 GBP (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,424 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown princess diamond

This 1.23ct 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 LG707543071 or 707543071. Listed at 7 retailers as of October 25, 2026, with prices from £366 to £1,424, a £1,057 spread on the same certified stone. MOH London lists it at £1,424. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.4°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707543071
Dimensions5.77 × 5.76 × 4.18 mm
L/W Ratio1.00
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
5.77 mm5.76 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707543071
Side View
Table 68.0%Crown 49.4°Girdle: MediumPavilion 37.4°Culet: NoneDepth 72.6%

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: Oct 25
Current: £1,424 GBP|Low: £214 GBP|High: £1,448 GBP|Avg: £703 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8£214 GBP
Retailer 7£366 GBP
Retailer 6£493 GBP
Retailer 2£594 GBP
Retailer 3£623 GBP
Retailer 4£640 GBP
Retailer 5£1,192 GBP
MOH London£1,424 GBP

42 data points across 8 retailers

7 retailers£366 GBP to £1,424 GBP

A
Cheapest Retailer
-
£366 GBP
$491 USD
A
Retailer 2
-
£493 GBP
$660 USD
View
A
Retailer 3
-
£594 GBP
View
A
Retailer 4
-
£623 GBP
ZAR 13,479 ZAR
View
B+
Retailer 5
-
£640 GBP
$858 USD
View
B
Retailer 6
-
£1,192 GBP
$1,598 USD
View
Most Expensive
B
MOH London
LG707543071 · Oct 29
£1,424 GBP
View
6 more retailers have this diamond
Prices start from £366 GBPSave up to £1,057 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
1.23ct Princess
£366 GBP