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Princess|Lab Grown|IGI

1.57ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG740507895

Shape and cutting style on the report: Princess cut

Certificate IGI LG740507895

Diamond specifications and retailer prices

From £403 GBP
$540 USD
As of October 30, 2026
Save £3,172 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,575 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown princess diamond

This 1.57ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG740507895 or 740507895. Listed at 11 retailers as of October 29, 2026, with prices from £403 to £3,575, a £3,172 spread on the same certified stone. Do Amore Diamonds lists it at £3,575. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG740507895
Dimensions6.29 × 6.28 × 4.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.29 mm6.28 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG740507895
Side View
Table 67.0%Crown 44.6°Girdle: MediumPavilion 36.5°Culet: NoneDepth 69.1%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,575 GBP|Low: £403 GBP|High: £4,739 GBP|Avg: £1,611 GBP|-24.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6£403 GBP
Retailer 11£451 GBP
Retailer 5£585 GBP
Retailer 3£597 GBP
Retailer 9£772 GBP
Retailer 10£989 GBP
Retailer 4£1,284 GBP
Retailer 2£1,289 GBP
Retailer 8£1,450 GBP
Retailer 7£2,407 GBP
Do Amore Diamonds£3,575 GBP

43 data points across 11 retailers

11 retailers£403 GBP to £3,575 GBP

A+
Cheapest Retailer
-
£403 GBP
$540 USD
A
Retailer 2
-
£451 GBP
$604 USD
View
A
Retailer 3
-
£585 GBP
View
A
Retailer 4
-
£597 GBP
$800 USD
View
Final sale: no returns
A
Retailer 5
-
£772 GBP
$1,035 USD
View
A
Retailer 6
-
£989 GBP
$1,325 USD
View
A
Retailer 7
-
£1,284 GBP
A$2,647 AUD
View
A
Retailer 8
-
£1,289 GBP
$1,727 USD
View
B+
Retailer 9
-
£1,450 GBP
$1,943 USD
View
B+
Retailer 10
-
£2,407 GBP
View
Most Expensive
B
Do Amore Diamonds
27-46ECA6D52 · Oct 29
£3,575 GBP
$4,790 USD
View
10 more retailers have this diamond
Prices start from £403 GBPSave up to £3,172 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+
1.57ct Princess
£403 GBP