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Princess|Lab Grown|IGI

1.23ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG631470520

Shape and cutting style on the report: Princess cut

Certificate IGI LG631470520

Diamond specifications and retailer prices

From £185 GBP
$248 USD
As of October 30, 2026
Save £1,405 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,590 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG631470520 or 631470520. Listed at 21 retailers as of October 29, 2026, with prices from £185 to £1,590, a £1,405 spread on the same certified stone. Do Amore Diamonds lists it at £1,590. 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 angle42.1°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631470520
Dimensions5.87 × 5.81 × 4.04 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
5.87 mm5.81 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631470520
Side View
Table 71.0%Crown 42.1°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,590 GBP|Low: £134 GBP|High: £1,620 GBP|Avg: £598 GBP|-1.8%
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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 5£185 GBP
Retailer 3£215 GBP
Retailer 16£276 GBP
Retailer 8£281 GBP
Retailer 7£384 GBP
Retailer 11£390 GBP
Retailer 9£408 GBP
Retailer 2£430 GBP
Retailer 10£446 GBP
Retailer 12£554 GBP
Retailer 14£663 GBP
Retailer 4£857 GBP
Retailer 6£885 GBP
Retailer 13£911 GBP
Retailer 15£943 GBP
Do Amore Diamonds£1,590 GBP

40 data points across 16 retailers

21 retailers£185 GBP to £1,590 GBP

Retailer 1
-
£169 GBP
$226 USD
Price last confirmed 30 days ago
A
Retailer 2
-
£185 GBP
$248 USD
View
Final sale: no returns
Retailer 3
-
£196 GBP
$262 USD
View
Price last confirmed 37 days ago
Retailer 4
-
£206 GBP
$276 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
£215 GBP
$288 USD
View
A
Retailer 6
-
£276 GBP
$370 USD
View
A
Retailer 7
-
£281 GBP
$377 USD
View
A
Retailer 8
-
£306 GBP
HK$3,200 HKD
View
B+
Retailer 9
-
£384 GBP
$515 USD
View
A
Retailer 10
-
£390 GBP
ZAR 8,441 ZAR
View
B+
Retailer 11
-
£401 GBP
$537 USD
View
B+
Retailer 12
-
£408 GBP
€521 EUR
View
B+
Retailer 13
-
£430 GBP
View
B+
Retailer 14
-
£554 GBP
A$1,141 AUD
View
B
Retailer 15
-
£663 GBP
$889 USD
View
Retailer 16
-
£740 GBP
$992 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
£857 GBP
$1,149 USD
View
B
Retailer 18
-
£885 GBP
SGD 1,603 SGD
View
B
Retailer 19
-
£911 GBP
View
B
Retailer 20
-
£943 GBP
$1,264 USD
View
Most Expensive
B
Do Amore Diamonds
27-4832C982A · Oct 29
£1,590 GBP
$2,130 USD
View
20 more retailers have this diamond
Prices start from £185 GBPSave up to £1,405 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
£185 GBP