Princess|Lab Grown|IGI

1.23ct E VS1 Princess Lab Grown Diamond

ID • E/VS1 • IGI LG639439799

Shape and cutting style on the report: Princess cut

Certificate IGI LG639439799

Diamond specifications and retailer prices

From £190 GBP
$255 USD
As of October 30, 2026
Save £769 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £959 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 LG639439799 or 639439799. Listed at 20 retailers as of October 30, 2026, with prices from £190 to £959, a £769 spread on the same certified stone. Reve Diamonds lists it at £959. 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 angle32°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639439799
Dimensions5.79 × 5.71 × 4.16 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.79 mm5.71 mm1.23 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639439799
Side View
Table 68.0%Crown 32°Girdle: MediumPavilion 38.2°Culet: NoneDepth 72.9%

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: £396 GBP|Low: £167 GBP|High: £969 GBP|Avg: £491 GBP|+21.4%
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
Retailer 15
Reve Diamonds
October 31, 2026
Retailer 5£190 GBP
Retailer 14£212 GBP
Retailer 15£266 GBP
Retailer 8£326 GBP
Retailer 3£343 GBP
Retailer 6£360 GBP
Retailer 10£364 GBP
Retailer 1£396 GBP
Retailer 2£448 GBP
Retailer 11£516 GBP
Retailer 13£526 GBP
Retailer 12£683 GBP
Retailer 4£720 GBP
Retailer 9£853 GBP
Retailer 7£955 GBP
Reve Diamonds£959 GBP

38 data points across 16 retailers

20 retailers£190 GBP to £959 GBP

Retailer 1
-
£150 GBP
$201 USD
Price last confirmed 39 days ago
Retailer 2
-
£174 GBP
$233 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£184 GBP
$246 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
£190 GBP
$255 USD
View
Final sale: no returns
Retailer 5
-
£212 GBP
$284 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
£212 GBP
$284 USD
View
Retailer 7
-
£266 GBP
View
Price last confirmed 14 days ago
A
Retailer 8
-
£326 GBP
€416 EUR
View
A
Retailer 9
-
£343 GBP
$460 USD
View
B+
Retailer 10
-
£360 GBP
$482 USD
View
B+
Retailer 11
-
£364 GBP
ZAR 7,872 ZAR
View
B+
Retailer 12
-
£396 GBP
View
B+
Retailer 13
-
£448 GBP
$600 USD
View
B+
Retailer 14
-
£516 GBP
A$1,064 AUD
View
B+
Retailer 15
-
£526 GBP
$705 USD
View
B
Retailer 16
-
£683 GBP
$915 USD
View
B
Retailer 17
-
£720 GBP
$964 USD
View
B
Retailer 18
-
£853 GBP
View
B
Retailer 19
-
£955 GBP
$1,280 USD
View
Most Expensive
B
Reve Diamonds
3BE2F72D4 · Oct 30
£959 GBP
$1,285 USD
View
19 more retailers have this diamond
Prices start from £190 GBPSave up to £769 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
£190 GBP