Princess|Lab Grown|IGI

1.21ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG715553368

Shape and cutting style on the report: Princess cut

Certificate IGI LG715553368

Diamond specifications and retailer prices

From €349 EUR
$390 USD
As of October 30, 2026
Save €1,378 EUR (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,728 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.21ct lab-grown princess diamond

This 1.21ct lab-grown princess sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG715553368 or 715553368. Listed at 23 retailers as of October 30, 2026, with prices from €349 to €1,728, a €1,378 spread on the same certified stone. Brilliant Earth lists it at €1,728. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715553368
Dimensions5.84 × 5.73 × 4.07 mm
L/W Ratio1.02
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
5.84 mm5.73 mm1.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715553368
Side View
Table 70.0%Crown 43.9°Girdle: MediumPavilion 37.2°Culet: NoneDepth 71.0%

Caratlytics Score

How it works →
A
Excellent
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: €1,728 EUR|Low: €346 EUR|High: €1,728 EUR|Avg: €910 EUR
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 12€349 EUR
Retailer 3€391 EUR
Retailer 21€391 EUR
Retailer 7€433 EUR
Retailer 14€433 EUR
Retailer 16€459 EUR
Retailer 22€564 EUR
Retailer 6€641 EUR
Retailer 9€687 EUR
Retailer 20€744 EUR
Retailer 4€747 EUR
Retailer 18€761 EUR
Retailer 2€785 EUR
Retailer 17€1,055 EUR
Retailer 8€1,088 EUR
Retailer 13€1,152 EUR
Retailer 5€1,320 EUR
Retailer 11€1,393 EUR
Retailer 15€1,426 EUR
Retailer 10€1,612 EUR
Retailer 19€1,702 EUR
Brilliant Earth€1,728 EUR

29 data points across 22 retailers

23 retailers€349 EUR to €1,728 EUR

A
Cheapest Retailer
-
€349 EUR
$390 USD
A
Retailer 2
-
€391 EUR
$437 USD
View
Final sale: no returns
A
Retailer 3
-
€391 EUR
$437 USD
View
A
Retailer 4
-
€433 EUR
$484 USD
View
A
Retailer 5
-
€433 EUR
$484 USD
View
A
Retailer 6
-
€459 EUR
£404 GBP
View
A
Retailer 7
-
€564 EUR
$630 USD
View
A
Retailer 8
-
€641 EUR
$716 USD
View
B+
Retailer 9
-
€687 EUR
$768 USD
View
B+
Retailer 10
-
€744 EUR
ZAR 13,434 ZAR
View
B+
Retailer 11
-
€747 EUR
$835 USD
View
B+
Retailer 12
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€761 EUR
View
B+
Retailer 13
-
€785 EUR
£691 GBP
View
B+
Retailer 14
-
€1,055 EUR
A$1,814 AUD
View
B+
Retailer 15
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€1,088 EUR
$1,216 USD
View
B+
Retailer 16
-
€1,152 EUR
A$1,980 AUD
View
B
Retailer 17
-
€1,320 EUR
$1,475 USD
View
B
Retailer 18
-
€1,393 EUR
$1,556 USD
View
B
Retailer 19
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€1,426 EUR
$1,593 USD
View
B
Retailer 20
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€1,612 EUR
$1,801 USD
View
B
Retailer 21
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€1,664 EUR
$1,859 USD
View
B
Retailer 22
-
€1,702 EUR
£1,497 GBP
View
Most Expensive
B
Brilliant Earth
14755050A · Oct 31
€1,728 EUR
$1,930 USD
View
22 more retailers have this diamond
Prices start from €349 EURSave up to €1,378 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
1.21ct Princess
€349 EUR