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Princess|Lab Grown|IGI

1.28ct E FL Princess Lab Grown Diamond

ID • E/FL • IGI LG764613089

Shape and cutting style on the report: Princess cut

Certificate IGI LG764613089

Diamond specifications and retailer prices

From €414 EUR
$463 USD
As of October 30, 2026
Save €1,608 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,023 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.28ct lab-grown princess diamond

This 1.28ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG764613089 or 764613089. Listed at 18 retailers as of October 30, 2026, with prices from €414 to €2,023, a €1,608 spread on the same certified stone. Brilliant Earth lists it at €2,023. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764613089
Dimensions5.96 × 5.95 × 4.15 mm
L/W Ratio1.00
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
5.96 mm5.95 mm1.28 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764613089
Side View
Table 67.0%Crown 42.8°Girdle: MediumPavilion 38.6°Culet: NoneDepth 69.7%

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: €2,023 EUR|Low: €397 EUR|High: €2,724 EUR|Avg: €1,086 EUR|-19.0%
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
Retailer 17
October 31, 2026
Retailer 15€414 EUR
Retailer 8€464 EUR
Retailer 4€514 EUR
Retailer 16€514 EUR
Retailer 13€640 EUR
Retailer 6€784 EUR
Retailer 10€787 EUR
Retailer 17€803 EUR
Retailer 7€843 EUR
Retailer 2€851 EUR
Retailer 12€883 EUR
Retailer 14€1,380 EUR
Retailer 5€1,629 EUR
Retailer 3€1,651 EUR
Retailer 9€1,678 EUR
Retailer 11€1,897 EUR
Brilliant Earth€2,023 EUR

43 data points across 17 retailers

18 retailers€414 EUR to €2,023 EUR

A
Cheapest Retailer
-
€414 EUR
$463 USD
A
Retailer 2
-
€464 EUR
$518 USD
View
Final sale: no returns
A
Retailer 3
-
€464 EUR
$518 USD
View
Retailer 4
-
€514 EUR
$574 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€514 EUR
$574 USD
View
A
Retailer 6
-
€640 EUR
$715 USD
View
A
Retailer 7
-
€784 EUR
$876 USD
View
A
Retailer 8
-
€787 EUR
View
A
Retailer 9
-
€803 EUR
$897 USD
View
A
Retailer 10
-
€843 EUR
$942 USD
View
A
Retailer 11
-
€851 EUR
£749 GBP
View
A
Retailer 12
-
€883 EUR
ZAR 15,930 ZAR
View
B+
Retailer 13
-
€1,380 EUR
$1,542 USD
View
B+
Retailer 14
-
€1,629 EUR
SGD 2,460 SGD
View
B+
Retailer 15
-
€1,651 EUR
$1,845 USD
View
B+
Retailer 16
-
€1,678 EUR
$1,875 USD
View
B+
Retailer 17
-
€1,897 EUR
£1,669 GBP
View
Most Expensive
B
Brilliant Earth
18702167A · Oct 30
€2,023 EUR
$2,260 USD
View
17 more retailers have this diamond
Prices start from €414 EURSave up to €1,608 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
1.28ct Princess
€414 EUR