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Princess|Lab Grown|IGI

1.23ct E VS1 Princess Lab Grown Diamond

ID • E/VS1 • IGI LG640411748

Shape and cutting style on the report: Princess cut

Certificate IGI LG640411748

Diamond specifications and retailer prices

From £145 GBP
$194 USD
As of October 30, 2026
Save £731 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £876 GBP at Reve Diamonds · As of October 30, 2026
View at Reve 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG640411748 or 640411748. Listed at 19 retailers as of October 30, 2026, with prices from £145 to £876, a £731 spread on the same certified stone. Reve Diamonds lists it at £876. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640411748
Dimensions5.87 × 5.87 × 4.00 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.87 mm5.87 mm1.23 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640411748
Side View
Table 64.0%Crown 41.4°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 68.1%

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: £327 GBP|Low: £139 GBP|High: £848 GBP|Avg: £368 GBP|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 12£145 GBP
Retailer 6£162 GBP
Retailer 4£179 GBP
Retailer 14£179 GBP
Retailer 7£225 GBP
Retailer 8£308 GBP
Retailer 2£313 GBP
Retailer 1£327 GBP
Retailer 5£419 GBP
Retailer 9£438 GBP
Retailer 13£537 GBP
Retailer 3£577 GBP
Retailer 11£578 GBP
Retailer 10£840 GBP

42 data points across 14 retailers

19 retailers£145 GBP to £876 GBP

A
Cheapest Retailer
-
£145 GBP
$194 USD
A
Retailer 2
-
£162 GBP
$217 USD
View
Final sale: no returns
A
Retailer 3
-
£168 GBP
$225 USD
View
A
Retailer 4
-
£179 GBP
$240 USD
View
A
Retailer 5
-
£179 GBP
$240 USD
View
A
Retailer 6
-
£225 GBP
View
A
Retailer 7
-
£308 GBP
ZAR 6,666 ZAR
View
A
Retailer 8
-
£313 GBP
$419 USD
View
A
Retailer 9
-
£327 GBP
View
A
Retailer 10
-
£334 GBP
$447 USD
View
B+
Retailer 11
-
£419 GBP
$562 USD
View
B+
Retailer 12
-
£438 GBP
A$902 AUD
View
Retailer 13
-
£537 GBP
$720 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£577 GBP
$773 USD
View
B+
Retailer 15
-
£578 GBP
$775 USD
View
B+
Retailer 16
-
£617 GBP
$826 USD
View
B
Retailer 17
-
£705 GBP
View
B
Retailer 18
-
£840 GBP
View
Most Expensive
B
Reve Diamonds
E5F56410B · Oct 30
£876 GBP
$1,174 USD
View
18 more retailers have this diamond
Prices start from £145 GBPSave up to £731 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
£145 GBP