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Princess|Lab Grown|IGI

1.23ct E VS2 Princess Lab Grown Diamond

ID • E/VS2 • IGI LG597378830

Shape and cutting style on the report: Princess cut

Certificate IGI LG597378830

Diamond specifications and retailer prices

From £140 GBP
$187 USD
As of October 30, 2026
Save £1,204 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,344 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG597378830 or 597378830. Listed at 10 retailers as of October 29, 2026, with prices from £140 to £1,344, a £1,204 spread on the same certified stone. Do Amore Diamonds lists it at £1,344. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597378830
Dimensions5.88 × 5.85 × 4.16 mm
L/W Ratio1.01
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.88 mm5.85 mm1.23 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597378830
Side View
Table 71.0%Crown 42.1°Girdle: MediumPavilion 38.3°Culet: NoneDepth 71.1%

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: £1,344 GBP|Low: £140 GBP|High: £1,344 GBP|Avg: £541 GBP|+1.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 8£140 GBP
Retailer 10£157 GBP
Retailer 2£231 GBP
Retailer 9£306 GBP
Retailer 12£348 GBP
Retailer 13£417 GBP
Retailer 11£543 GBP
Retailer 5£545 GBP
Retailer 7£562 GBP
Retailer 3£687 GBP
Retailer 4£736 GBP
Retailer 6£771 GBP
Do Amore Diamonds£1,344 GBP

40 data points across 13 retailers

10 retailers£140 GBP to £1,344 GBP

A
Cheapest Retailer
-
£140 GBP
$187 USD
A
Retailer 2
-
£157 GBP
$209 USD
View
Final sale: no returns
A
Retailer 3
-
£163 GBP
$217 USD
View
A
Retailer 4
-
£231 GBP
View
A
Retailer 5
-
£306 GBP
$408 USD
View
A
Retailer 6
-
£375 GBP
$500 USD
View
B+
Retailer 7
-
£562 GBP
$748 USD
View
B
Retailer 8
-
£617 GBP
$822 USD
View
B
Retailer 9
-
£771 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0332F70D3 · Oct 29
£1,344 GBP
$1,790 USD
View
9 more retailers have this diamond
Prices start from £140 GBPSave up to £1,204 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
£140 GBP