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Princess|Lab Grown|IGI

1.28ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG799677044

Shape and cutting style on the report: Princess cut

Certificate IGI LG799677044

Diamond specifications and retailer prices

From €422 EUR
As of November 4, 2026
Save €3,324 EUR (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,745 EUR at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799677044 or 799677044. Listed at 20 retailers as of November 3, 2026, with prices from €422 to €3,745, a €3,324 spread on the same certified stone. Do Amore Diamonds lists it at €3,745. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799677044
Dimensions5.96 × 5.95 × 4.22 mm
L/W Ratio1.00
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 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799677044
Side View
Table 68.0%Crown 45.9°Girdle: MediumPavilion 37.6°Culet: NoneDepth 70.9%

Caratlytics Score

How it works →
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: Nov 4
Current: €3,745 EUR|Low: €422 EUR|High: €4,074 EUR|Avg: €1,259 EUR|-8.1%
Do Amore Diamonds
Retailer 2
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Retailer 20
November 5, 2026
Retailer 6€422 EUR
Retailer 7€471 EUR
Retailer 16€472 EUR
Retailer 19€523 EUR
Retailer 12€569 EUR
Retailer 5€632 EUR
Retailer 15€648 EUR
Retailer 11€692 EUR
Retailer 3€722 EUR
Retailer 8€816 EUR
Retailer 2€885 EUR
Retailer 13€994 EUR
Retailer 17€1,404 EUR
Retailer 18€1,517 EUR
Retailer 20€1,677 EUR
Retailer 9€1,826 EUR
Retailer 4€1,977 EUR
Retailer 10€2,008 EUR
Retailer 14€2,419 EUR
Do Amore Diamonds€3,745 EUR

44 data points across 20 retailers

20 retailers€422 EUR to €3,745 EUR

A
Cheapest Retailer
-
€422 EUR
A
Retailer 2
-
€471 EUR
View
Final sale: no returns
A
Retailer 3
-
€472 EUR
View
A
Retailer 4
-
€523 EUR
View
Retailer 5
-
€569 EUR
View
Price last confirmed 20 days ago
A
Retailer 6
-
€632 EUR
View
A
Retailer 7
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€648 EUR
View
A
Retailer 8
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€692 EUR
View
A
Retailer 9
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€722 EUR
View
A
Retailer 10
-
€816 EUR
View
A
Retailer 11
-
€885 EUR
View
A
Retailer 12
-
€994 EUR
View
B+
Retailer 13
-
€1,404 EUR
View
B+
Retailer 14
-
€1,517 EUR
View
B+
Retailer 15
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€1,677 EUR
View
B
Retailer 16
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€1,826 EUR
View
B+
Retailer 17
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€1,977 EUR
View
B+
Retailer 18
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€2,008 EUR
View
B
Retailer 19
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€2,419 EUR
View
Most Expensive
B
Do Amore Diamonds
27-3AE23D609 · Nov 3
€3,745 EUR
$4,220 USD
View
19 more retailers have this diamond
Prices start from €422 EURSave up to €3,324 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
€422 EUR