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Princess|Lab Grown|IGI

1.51ct E IF Princess Lab Grown Diamond

EX • E/IF • IGI LG720540148

Shape and cutting style on the report: Princess cut

Certificate IGI LG720540148

Diamond specifications and retailer prices

From €556 EUR
$621 USD
As of October 30, 2026
Save €2,183 EUR (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,739 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG720540148 or 720540148. Listed at 25 retailers as of October 30, 2026, with prices from €556 to €2,739, a €2,183 spread on the same certified stone. Brilliant Earth lists it at €2,739. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720540148
Dimensions6.22 × 6.16 × 4.46 mm
L/W Ratio1.01
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
6.22 mm6.16 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720540148
Side View
Table 71.0%Crown 47.6°Girdle: Slightly ThickPavilion 37.6°Culet: NoneDepth 72.4%

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: €2,739 EUR|Low: €621 EUR|High: €2,855 EUR|Avg: €1,423 EUR|-4.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 15€621 EUR
Retailer 6€622 EUR
Retailer 16€689 EUR
Retailer 12€801 EUR
Retailer 5€875 EUR
Retailer 8€924 EUR
Retailer 2€1,079 EUR
Retailer 9€1,154 EUR
Retailer 11€1,184 EUR
Retailer 14€1,497 EUR
Retailer 13€1,857 EUR
Retailer 7€2,005 EUR
Retailer 4€2,176 EUR
Retailer 3€2,198 EUR
Retailer 10€2,729 EUR
Brilliant Earth€2,739 EUR

43 data points across 16 retailers

25 retailers€556 EUR to €2,739 EUR

A
Cheapest Retailer
-
€556 EUR
$621 USD
A
Retailer 2
-
€621 EUR
$694 USD
View
Final sale: no returns
A
Retailer 3
-
€622 EUR
$695 USD
View
A
Retailer 4
-
€689 EUR
$770 USD
View
Retailer 5
-
€689 EUR
$770 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
€756 EUR
HK$6,600 HKD
View
A
Retailer 7
-
€801 EUR
$895 USD
View
A
Retailer 8
-
€875 EUR
$977 USD
View
A
Retailer 9
-
€924 EUR
$1,032 USD
View
A
Retailer 10
-
€1,009 EUR
$1,127 USD
View
A
Retailer 11
-
€1,079 EUR
£949 GBP
View
A
Retailer 12
-
€1,154 EUR
View
A
Retailer 13
-
€1,184 EUR
ZAR 21,366 ZAR
View
B+
Retailer 14
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€1,497 EUR
$1,673 USD
View
B+
Retailer 15
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€1,812 EUR
$2,024 USD
View
Retailer 16
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€1,857 EUR
$2,075 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
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€2,005 EUR
£1,764 GBP
View
B+
Retailer 18
-
€2,176 EUR
SGD 3,285 SGD
View
B+
Retailer 19
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€2,198 EUR
$2,456 USD
View
B+
Retailer 20
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€2,225 EUR
$2,486 USD
View
B+
Retailer 21
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€2,270 EUR
$2,536 USD
View
B+
Retailer 22
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€2,283 EUR
$2,551 USD
View
B
Retailer 23
-
€2,490 EUR
£2,190 GBP
View
B
Retailer 24
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€2,729 EUR
£2,401 GBP
View
Most Expensive
B
Brilliant Earth
15503724A · Oct 30
€2,739 EUR
$3,060 USD
View
24 more retailers have this diamond
Prices start from €556 EURSave up to €2,183 EUR

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
€556 EUR