Princess|Lab Grown|IGI

1.57ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG739553911

Shape and cutting style on the report: Princess cut

Certificate IGI LG739553911

Diamond specifications and retailer prices

From £437 GBP
$585 USD
As of October 30, 2026
Save £3,444 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,881 GBP at Do Amore Diamonds · As of October 30, 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 LG739553911 or 739553911. Listed at 18 retailers as of October 30, 2026, with prices from £437 to £3,881, a £3,444 spread on the same certified stone. Do Amore Diamonds lists it at £3,881. 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 angle39.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739553911
Dimensions6.42 × 6.23 × 4.51 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.42 mm6.23 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739553911
Side View
Table 67.0%Crown 39.7°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 72.4%

Caratlytics Score

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A+
Exceptional
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: £3,881 GBP|Low: £393 GBP|High: £4,344 GBP|Avg: £1,583 GBP|-10.7%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
October 30, 2026
Retailer 13£437 GBP
Retailer 4£490 GBP
Retailer 10£549 GBP
Retailer 6£631 GBP
Retailer 15£634 GBP
Retailer 8£696 GBP
Retailer 14£832 GBP
Retailer 12£927 GBP
Retailer 11£931 GBP
Retailer 16£1,344 GBP
Retailer 5£1,420 GBP
Retailer 3£1,517 GBP
Retailer 18£1,573 GBP
Retailer 7£1,952 GBP
Retailer 9£2,145 GBP
Retailer 2£2,329 GBP
Retailer 17£2,359 GBP
Do Amore Diamonds£3,881 GBP

33 data points across 18 retailers

18 retailers£437 GBP to £3,881 GBP

A+
Cheapest Retailer
-
£437 GBP
$585 USD
A
Retailer 2
-
£490 GBP
$656 USD
View
A
Retailer 3
-
£549 GBP
$736 USD
View
Final sale: no returns
A
Retailer 4
-
£631 GBP
$845 USD
View
A
Retailer 5
-
£634 GBP
$850 USD
View
A
Retailer 6
-
£696 GBP
$932 USD
View
A
Retailer 7
-
£832 GBP
$1,115 USD
View
A
Retailer 8
-
£834 GBP
$1,118 USD
View
A
Retailer 9
-
£931 GBP
€1,188 EUR
View
A
Retailer 10
-
£1,344 GBP
$1,801 USD
View
Retailer 11
-
£1,420 GBP
A$2,928 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£1,517 GBP
$2,032 USD
View
B+
Retailer 13
-
£1,573 GBP
$2,107 USD
View
Retailer 14
-
£1,952 GBP
$2,615 USD
View
Price last confirmed 12 days ago
Retailer 15
-
£2,145 GBP
A$4,422 AUD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
£2,329 GBP
$3,120 USD
View
B+
Retailer 17
-
£2,359 GBP
View
Most Expensive
B
Do Amore Diamonds
27-AF78A5645 · Oct 30
£3,881 GBP
$5,200 USD
View
17 more retailers have this diamond
Prices start from £437 GBPSave up to £3,444 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
£437 GBP