Princess|Lab Grown|IGI

1.51ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG674512580

Shape and cutting style on the report: Princess cut

Certificate IGI LG674512580

Diamond specifications and retailer prices

From £525 GBP
$704 USD
As of October 30, 2026
Save £5,027 GBP (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £5,553 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG674512580 or 674512580. Listed at 21 retailers as of October 30, 2026, with prices from £525 to £5,553, a £5,027 spread on the same certified stone. Do Amore Diamonds lists it at £5,553. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674512580
Dimensions6.34 × 6.33 × 4.35 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
6.34 mm6.33 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674512580
Side View
Table 67.0%Crown 40.5°Girdle: MediumPavilion 36.9°Culet: NoneDepth 68.7%

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: £4,665 GBP|Low: £525 GBP|High: £4,754 GBP|Avg: £1,497 GBP|-1.9%
Do Amore Diamonds
Retailer 2
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Retailer 20
October 30, 2026
Retailer 18£525 GBP
Retailer 4£572 GBP
Retailer 5£588 GBP
Retailer 7£610 GBP
Retailer 11£622 GBP
Retailer 3£658 GBP
Retailer 9£743 GBP
Retailer 2£743 GBP
Retailer 19£860 GBP
Retailer 13£1,031 GBP
Retailer 15£1,237 GBP
Retailer 6£1,461 GBP
Retailer 17£1,674 GBP
Retailer 16£1,891 GBP
Retailer 8£2,082 GBP
Retailer 10£2,093 GBP
Retailer 20£2,405 GBP
Retailer 14£2,535 GBP
Retailer 12£2,575 GBP
Do Amore Diamonds£4,665 GBP

27 data points across 20 retailers

21 retailers£525 GBP to £5,553 GBP

A+
Cheapest Retailer
-
£525 GBP
$704 USD
A
Retailer 2
-
£572 GBP
$766 USD
View
A
Retailer 3
-
£588 GBP
$788 USD
View
Final sale: no returns
A
Retailer 4
-
£610 GBP
$817 USD
View
Retailer 5
-
£622 GBP
$833 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£658 GBP
$881 USD
View
A
Retailer 7
-
£743 GBP
$995 USD
View
A
Retailer 8
-
£743 GBP
View
A
Retailer 9
-
£860 GBP
$1,152 USD
View
A
Retailer 10
-
£1,031 GBP
View
A
Retailer 11
-
£1,237 GBP
ZAR 26,769 ZAR
View
B+
Retailer 12
-
£1,461 GBP
$1,957 USD
View
Retailer 13
-
£1,674 GBP
A$3,450 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£1,891 GBP
$2,534 USD
View
B+
Retailer 15
-
£2,082 GBP
$2,790 USD
View
B
Retailer 16
-
£2,093 GBP
View
B+
Retailer 17
-
£2,405 GBP
$3,222 USD
View
B+
Retailer 18
-
£2,535 GBP
View
B
Retailer 19
-
£2,575 GBP
$3,450 USD
View
B
Retailer 20
-
£4,665 GBP
$6,250 USD
View
Most Expensive
B
Do Amore Diamonds
23-674512580 · Oct 30
£5,553 GBP
$7,440 USD
View
20 more retailers have this diamond
Prices start from £525 GBPSave up to £5,027 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+
1.51ct Princess
£525 GBP