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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 $508 CAD
$364 USD
As of October 30, 2026
Save $4,004 CAD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,512 CAD 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 $508 to $4,512, a $4,004 spread on the same certified stone. Do Amore Diamonds lists it at $4,512. 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: $4,512 CAD|Low: $501 CAD|High: $4,638 CAD|Avg: $1,520 CAD|-2.7%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 30, 2026
Retailer 9$508 CAD
Retailer 10$569 CAD
Retailer 22$589 CAD
Retailer 5$631 CAD
Retailer 21$631 CAD
Retailer 2$738 CAD
Retailer 20$838 CAD
Retailer 15$858 CAD
Retailer 6$972 CAD
Retailer 7$983 CAD
Retailer 11$1,009 CAD
Retailer 13$1,144 CAD
Retailer 18$1,196 CAD
Retailer 16$1,697 CAD
Retailer 3$1,849 CAD
Retailer 19$2,060 CAD
Retailer 4$2,238 CAD
Retailer 12$2,389 CAD
Retailer 8$2,451 CAD
Retailer 14$2,502 CAD
Retailer 17$2,736 CAD
Do Amore Diamonds$4,512 CAD

31 data points across 22 retailers

22 retailers$508 CAD to $4,512 CAD

A
Cheapest Retailer
-
$508 CAD
$364 USD
A
Retailer 2
-
$569 CAD
$407 USD
View
Final sale: no returns
A
Retailer 3
-
$589 CAD
$422 USD
View
A
Retailer 4
-
$631 CAD
$452 USD
View
A
Retailer 5
-
$631 CAD
$452 USD
View
A
Retailer 6
-
$738 CAD
£416 GBP
View
A
Retailer 7
-
$838 CAD
$600 USD
View
A
Retailer 8
-
$858 CAD
HK$4,800 HKD
View
A
Retailer 9
-
$972 CAD
$696 USD
View
A
Retailer 10
-
$983 CAD
$704 USD
View
A
Retailer 11
-
$1,009 CAD
$722 USD
View
A
Retailer 12
-
$1,144 CAD
£645 GBP
View
A
Retailer 13
-
$1,196 CAD
ZAR 13,836 ZAR
View
B+
Retailer 14
-
$1,697 CAD
A$1,869 AUD
View
B+
Retailer 15
-
$1,849 CAD
$1,324 USD
View
B+
Retailer 16
-
$2,060 CAD
$1,475 USD
View
B+
Retailer 17
-
$2,238 CAD
$1,602 USD
View
B+
Retailer 18
-
$2,389 CAD
$1,710 USD
View
B+
Retailer 19
-
$2,451 CAD
$1,755 USD
View
B+
Retailer 20
-
$2,502 CAD
SGD 2,420 SGD
View
B+
Retailer 21
-
$2,736 CAD
£1,542 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B405995DF · Oct 30
$4,512 CAD
$3,230 USD
View
21 more retailers have this diamond
Prices start from $508 CADSave up to $4,004 CAD

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
$508 CAD