Princess|Lab Grown|IGI

1.23ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG715540041

Shape and cutting style on the report: Princess cut

Certificate IGI LG715540041

Diamond specifications and retailer prices

From £135 GBP
$180 USD
As of October 30, 2026
Save £714 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £849 GBP at Reve Diamonds · As of October 28, 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 LG715540041 or 715540041. Listed at 17 retailers as of October 28, 2026, with prices from £135 to £849, a £714 spread on the same certified stone. Reve Diamonds lists it at £849. 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
SymmetryVery Good
FluorescenceNone
Crown angle43.6°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715540041
Dimensions5.97 × 5.85 × 4.11 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.97 mm5.85 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG715540041
Side View
Table 66.0%Crown 43.6°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 70.3%

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: £302 GBP|Low: £114 GBP|High: £876 GBP|Avg: £393 GBP|-2.8%
Retailer 1
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Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Reve Diamonds
October 29, 2026
Retailer 9£134 GBP
Retailer 4£135 GBP
Retailer 5£152 GBP
Retailer 6£168 GBP
Retailer 17£168 GBP
Retailer 2£229 GBP
Retailer 13£282 GBP
Retailer 12£288 GBP
Retailer 1£302 GBP
Retailer 10£315 GBP
Retailer 16£428 GBP
Retailer 14£529 GBP
Retailer 3£540 GBP
Retailer 15£565 GBP
Retailer 7£580 GBP
Retailer 8£623 GBP
Retailer 11£789 GBP
Reve Diamonds£849 GBP

42 data points across 18 retailers

17 retailers£135 GBP to £849 GBP

A
Cheapest Retailer
-
£135 GBP
$180 USD
A
Retailer 2
-
£152 GBP
$202 USD
View
Final sale: no returns
A
Retailer 3
-
£168 GBP
$224 USD
View
A
Retailer 4
-
£168 GBP
$224 USD
View
B+
Retailer 5
-
£229 GBP
$305 USD
View
A
Retailer 6
-
£282 GBP
$376 USD
View
A
Retailer 7
-
£288 GBP
ZAR 6,201 ZAR
View
A
Retailer 8
-
£302 GBP
View
A
Retailer 9
-
£315 GBP
€399 EUR
View
B+
Retailer 10
-
£428 GBP
$570 USD
View
B+
Retailer 11
-
£529 GBP
$705 USD
View
B+
Retailer 12
-
£540 GBP
$719 USD
View
B+
Retailer 13
-
£565 GBP
$753 USD
View
B+
Retailer 14
-
£580 GBP
$773 USD
View
B
Retailer 15
-
£623 GBP
$830 USD
View
B
Retailer 16
-
£789 GBP
View
Most Expensive
B
Reve Diamonds
4FCEF51E9 · Oct 28
£849 GBP
$1,131 USD
View
16 more retailers have this diamond
Prices start from £135 GBPSave up to £714 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
£135 GBP