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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 $465 SGD
$364 USD
As of October 30, 2026
Save $3,664 SGD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,129 SGD 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 $465 to $4,129, a $3,664 spread on the same certified stone. Do Amore Diamonds lists it at $4,129. 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
Colour
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

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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: Oct 30
Current: $4,129 SGD|Low: $459 SGD|High: $4,244 SGD|Avg: $1,385 SGD|-2.7%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 9$465 SGD
Retailer 10$520 SGD
Retailer 22$539 SGD
Retailer 5$578 SGD
Retailer 21$578 SGD
Retailer 13$676 SGD
Retailer 20$767 SGD
Retailer 15$785 SGD
Retailer 6$890 SGD
Retailer 7$900 SGD
Retailer 11$923 SGD
Retailer 2$1,038 SGD
Retailer 18$1,095 SGD
Retailer 16$1,553 SGD
Retailer 3$1,693 SGD
Retailer 19$1,886 SGD
Retailer 4$2,048 SGD
Retailer 12$2,186 SGD
Retailer 8$2,243 SGD
Retailer 14$2,289 SGD
Retailer 17$2,504 SGD
Do Amore Diamonds$4,129 SGD

31 data points across 22 retailers

22 retailers$465 SGD to $4,129 SGD

A
Cheapest Retailer
-
$465 SGD
$364 USD
A
Retailer 2
-
$520 SGD
$407 USD
View
Final sale: no returns
A
Retailer 3
-
$539 SGD
$422 USD
View
A
Retailer 4
-
$578 SGD
$452 USD
View
A
Retailer 5
-
$578 SGD
$452 USD
View
A
Retailer 6
-
$676 SGD
£416 GBP
View
A
Retailer 7
-
$767 SGD
$600 USD
View
A
Retailer 8
-
$785 SGD
HK$4,800 HKD
View
A
Retailer 9
-
$890 SGD
$696 USD
View
A
Retailer 10
-
$900 SGD
$704 USD
View
A
Retailer 11
-
$923 SGD
$722 USD
View
A
Retailer 12
-
$1,038 SGD
£639 GBP
View
A
Retailer 13
-
$1,095 SGD
ZAR 13,836 ZAR
View
B+
Retailer 14
-
$1,553 SGD
A$1,869 AUD
View
B+
Retailer 15
-
$1,693 SGD
$1,324 USD
View
B+
Retailer 16
-
$1,886 SGD
$1,475 USD
View
B+
Retailer 17
-
$2,048 SGD
$1,602 USD
View
B+
Retailer 18
-
$2,186 SGD
$1,710 USD
View
B+
Retailer 19
-
$2,243 SGD
$1,755 USD
View
B+
Retailer 20
-
$2,289 SGD
View
B+
Retailer 21
-
$2,504 SGD
£1,542 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B405995DF · Oct 30
$4,129 SGD
$3,230 USD
View
21 more retailers have this diamond
Prices start from $465 SGDSave up to $3,664 SGD

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
$465 SGD