Princess|Lab Grown|IGI

1.28ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG739529587

Shape and cutting style on the report: Princess cut

Certificate IGI LG739529587

Diamond specifications and retailer prices

From €326 EUR
$364 USD
As of October 30, 2026
Save €2,565 EUR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,891 EUR at Do Amore Diamonds · As of October 30, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739529587 or 739529587. Listed at 22 retailers as of October 30, 2026, with prices from €326 to €2,891, a €2,565 spread on the same certified stone. Do Amore Diamonds lists it at €2,891. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739529587
Dimensions5.95 × 5.91 × 4.17 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
5.95 mm5.91 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739529587
Side View
Table 69.0%Crown 44.7°Girdle: MediumPavilion 37.6°Culet: NoneDepth 70.6%

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: €2,891 EUR|Low: €321 EUR|High: €2,972 EUR|Avg: €970 EUR|-2.7%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 9€326 EUR
Retailer 10€364 EUR
Retailer 22€378 EUR
Retailer 5€405 EUR
Retailer 21€405 EUR
Retailer 13€473 EUR
Retailer 20€537 EUR
Retailer 15€550 EUR
Retailer 6€623 EUR
Retailer 7€630 EUR
Retailer 11€646 EUR
Retailer 2€727 EUR
Retailer 18€767 EUR
Retailer 16€1,087 EUR
Retailer 3€1,185 EUR
Retailer 19€1,320 EUR
Retailer 4€1,434 EUR
Retailer 12€1,531 EUR
Retailer 8€1,571 EUR
Retailer 14€1,603 EUR
Retailer 17€1,753 EUR
Do Amore Diamonds€2,891 EUR

31 data points across 22 retailers

22 retailers€326 EUR to €2,891 EUR

A
Cheapest Retailer
-
€326 EUR
$364 USD
A
Retailer 2
-
€364 EUR
$407 USD
View
Final sale: no returns
A
Retailer 3
-
€378 EUR
$422 USD
View
A
Retailer 4
-
€405 EUR
$452 USD
View
A
Retailer 5
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€405 EUR
$452 USD
View
A
Retailer 6
-
€473 EUR
£416 GBP
View
A
Retailer 7
-
€537 EUR
$600 USD
View
A
Retailer 8
-
€550 EUR
HK$4,800 HKD
View
A
Retailer 9
-
€623 EUR
$696 USD
View
A
Retailer 10
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€630 EUR
$704 USD
View
A
Retailer 11
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€646 EUR
$722 USD
View
A
Retailer 12
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€727 EUR
£639 GBP
View
A
Retailer 13
-
€767 EUR
ZAR 13,836 ZAR
View
B+
Retailer 14
-
€1,087 EUR
A$1,869 AUD
View
B+
Retailer 15
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€1,185 EUR
$1,324 USD
View
B+
Retailer 16
-
€1,320 EUR
$1,475 USD
View
B+
Retailer 17
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€1,434 EUR
$1,602 USD
View
B+
Retailer 18
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€1,531 EUR
$1,710 USD
View
B+
Retailer 19
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€1,571 EUR
$1,755 USD
View
B+
Retailer 20
-
€1,603 EUR
SGD 2,420 SGD
View
B+
Retailer 21
-
€1,753 EUR
£1,542 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B405995DF · Oct 30
€2,891 EUR
$3,230 USD
View
21 more retailers have this diamond
Prices start from €326 EURSave up to €2,565 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
€326 EUR