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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 $646 NZD
$364 USD
As of October 30, 2026
Save $5,085 NZD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,731 NZD 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 $646 to $5,731, a $5,085 spread on the same certified stone. Do Amore Diamonds lists it at $5,731. 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

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: $5,731 NZD|Low: $637 NZD|High: $5,891 NZD|Avg: $1,923 NZD|-2.7%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 9$646 NZD
Retailer 10$722 NZD
Retailer 22$749 NZD
Retailer 5$802 NZD
Retailer 21$802 NZD
Retailer 13$938 NZD
Retailer 20$1,065 NZD
Retailer 15$1,090 NZD
Retailer 6$1,235 NZD
Retailer 7$1,249 NZD
Retailer 11$1,281 NZD
Retailer 2$1,441 NZD
Retailer 18$1,520 NZD
Retailer 16$2,156 NZD
Retailer 3$2,349 NZD
Retailer 19$2,617 NZD
Retailer 4$2,842 NZD
Retailer 12$3,034 NZD
Retailer 8$3,113 NZD
Retailer 14$3,177 NZD
Retailer 17$3,475 NZD
Do Amore Diamonds$5,731 NZD

31 data points across 22 retailers

22 retailers$646 NZD to $5,731 NZD

A
Cheapest Retailer
-
$646 NZD
$364 USD
A
Retailer 2
-
$722 NZD
$407 USD
View
Final sale: no returns
A
Retailer 3
-
$749 NZD
$422 USD
View
A
Retailer 4
-
$802 NZD
$452 USD
View
A
Retailer 5
-
$802 NZD
$452 USD
View
A
Retailer 6
-
$938 NZD
£416 GBP
View
A
Retailer 7
-
$1,065 NZD
$600 USD
View
A
Retailer 8
-
$1,090 NZD
HK$4,800 HKD
View
A
Retailer 9
-
$1,235 NZD
$696 USD
View
A
Retailer 10
-
$1,249 NZD
$704 USD
View
A
Retailer 11
-
$1,281 NZD
$722 USD
View
A
Retailer 12
-
$1,441 NZD
£639 GBP
View
A
Retailer 13
-
$1,520 NZD
ZAR 13,836 ZAR
View
B+
Retailer 14
-
$2,156 NZD
A$1,869 AUD
View
B+
Retailer 15
-
$2,349 NZD
$1,324 USD
View
B+
Retailer 16
-
$2,617 NZD
$1,475 USD
View
B+
Retailer 17
-
$2,842 NZD
$1,602 USD
View
B+
Retailer 18
-
$3,034 NZD
$1,710 USD
View
B+
Retailer 19
-
$3,113 NZD
$1,755 USD
View
B+
Retailer 20
-
$3,177 NZD
SGD 2,420 SGD
View
B+
Retailer 21
-
$3,475 NZD
£1,542 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B405995DF · Oct 30
$5,731 NZD
$3,230 USD
View
21 more retailers have this diamond
Prices start from $646 NZDSave up to $5,085 NZD

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
$646 NZD