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Princess|Lab Grown|IGI

1.50ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG570367156

Shape and cutting style on the report: Princess cut

Certificate IGI LG570367156

Diamond specifications and retailer prices

From £203 GBP
$272 USD
As of October 30, 2026
Save £1,596 GBP (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,799 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown princess diamond

This 1.5ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570367156 or 570367156. Listed at 15 retailers as of October 30, 2026, with prices from £203 to £1,799, a £1,596 spread on the same certified stone. Do Amore Diamonds lists it at £1,799. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570367156
Dimensions6.33 × 6.25 × 4.34 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
6.33 mm6.25 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570367156
Side View
Table 70.0%Crown 39.3°Girdle: MediumPavilion 37.9°Culet: NoneDepth 69.4%

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: £1,799 GBP|Low: £160 GBP|High: £1,799 GBP|Avg: £692 GBP|+17.0%
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
October 31, 2026
Retailer 8£203 GBP
Retailer 10£252 GBP
Retailer 11£252 GBP
Retailer 9£295 GBP
Retailer 12£416 GBP
Retailer 2£488 GBP
Retailer 4£668 GBP
Retailer 7£772 GBP
Retailer 3£892 GBP
Retailer 5£896 GBP
Retailer 13£1,014 GBP
Retailer 6£1,113 GBP
Do Amore Diamonds£1,799 GBP

34 data points across 13 retailers

15 retailers£203 GBP to £1,799 GBP

Retailer 1
-
£185 GBP
$248 USD
Price last confirmed 24 days ago
A
Retailer 2
-
£203 GBP
$272 USD
View
A
Retailer 3
-
£252 GBP
$337 USD
View
A
Retailer 4
-
£252 GBP
$337 USD
View
A
Retailer 5
-
£295 GBP
$395 USD
View
B+
Retailer 6
-
£369 GBP
$495 USD
View
B+
Retailer 7
-
£416 GBP
$557 USD
View
B
Retailer 8
-
£488 GBP
View
B
Retailer 9
-
£668 GBP
$895 USD
View
B
Retailer 10
-
£772 GBP
$1,034 USD
View
B
Retailer 11
-
£892 GBP
$1,195 USD
View
B
Retailer 12
-
£896 GBP
$1,200 USD
View
B
Retailer 13
-
£1,014 GBP
$1,359 USD
View
B
Retailer 14
-
£1,113 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3CBF63FA8 · Oct 30
£1,799 GBP
$2,410 USD
View
14 more retailers have this diamond
Prices start from £203 GBPSave up to £1,596 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
1.50ct Princess
£203 GBP