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Princess|Lab Grown|IGI

1.23ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG633490908

Shape and cutting style on the report: Princess cut

Certificate IGI LG633490908

Diamond specifications and retailer prices

From £194 GBP
$260 USD
As of November 1, 2026
Save £774 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £968 GBP at Reve Diamonds · As of November 1, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG633490908 or 633490908. Listed at 21 retailers as of November 1, 2026, with prices from £194 to £968, a £774 spread on the same certified stone. Reve Diamonds lists it at £968. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633490908
Dimensions5.78 × 5.75 × 4.17 mm
L/W Ratio1.01
Culet sizePointed
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
5.78 mm5.75 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633490908
Side View
Table 70.0%Crown 37.2°Girdle: MediumPavilion 38.4°Culet: NoneDepth 72.5%

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: Nov 1
Current: £863 GBP|Low: £173 GBP|High: £973 GBP|Avg: £489 GBP|+11.8%
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
Retailer 16
Reve Diamonds
November 1, 2026
Retailer 7£194 GBP
Retailer 2£215 GBP
Retailer 3£289 GBP
Retailer 11£330 GBP
Retailer 8£364 GBP
Retailer 5£365 GBP
Retailer 12£370 GBP
Retailer 9£403 GBP
Retailer 4£451 GBP
Retailer 13£525 GBP
Retailer 16£529 GBP
Retailer 10£692 GBP
Retailer 14£695 GBP
Retailer 6£731 GBP
Retailer 15£760 GBP
Retailer 1£863 GBP
Reve Diamonds£968 GBP

37 data points across 17 retailers

21 retailers£194 GBP to £968 GBP

Retailer 1
-
£155 GBP
$208 USD
Price last confirmed 41 days ago
Retailer 2
-
£180 GBP
$241 USD
View
Price last confirmed 40 days ago
Retailer 3
-
£190 GBP
$255 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
£194 GBP
$260 USD
View
Final sale: no returns
Retailer 5
-
£215 GBP
$289 USD
View
Price last confirmed 21 days ago
Retailer 6
-
£215 GBP
$289 USD
View
Price last confirmed 8 days ago
Retailer 7
-
£289 GBP
View
Price last confirmed 17 days ago
A
Retailer 8
-
£330 GBP
€422 EUR
View
B+
Retailer 9
-
£364 GBP
$488 USD
View
A
Retailer 10
-
£365 GBP
$490 USD
View
B+
Retailer 11
-
£370 GBP
ZAR 8,019 ZAR
View
B+
Retailer 12
-
£403 GBP
View
B+
Retailer 13
-
£451 GBP
$605 USD
View
B+
Retailer 14
-
£525 GBP
A$1,084 AUD
View
B+
Retailer 15
-
£529 GBP
$710 USD
View
B
Retailer 16
-
£692 GBP
$929 USD
View
B
Retailer 17
-
£695 GBP
$932 USD
View
B
Retailer 18
-
£731 GBP
$981 USD
View
Retailer 19
-
£760 GBP
$1,020 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
£863 GBP
View
Most Expensive
B
Reve Diamonds
88CFDABFE · Nov 1
£968 GBP
$1,299 USD
View
20 more retailers have this diamond
Prices start from £194 GBPSave up to £774 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
£194 GBP