Princess|Lab Grown|IGI

1.28ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG741525761

Shape and cutting style on the report: Princess cut

Certificate IGI LG741525761

Diamond specifications and retailer prices

From $3,627 NZD
$2,040 USD
As of November 2, 2026
19 retailers carry this diamond
Most expensive: $3,627 NZD at Brilliant Earth
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG741525761 or 741525761. Listed at 19 retailers as of November 2, 2026. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741525761
Dimensions5.86 × 5.83 × 4.25 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
5.86 mm5.83 mm1.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741525761
Side View
Table 70.0%Crown 45.7°Girdle: MediumPavilion 38.4°Culet: NoneDepth 72.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $3,627 NZD|Low: $642 NZD|High: $3,680 NZD|Avg: $1,774 NZD|-1.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
October 23, 2026
Retailer 11$674 NZD
Retailer 18$756 NZD
Retailer 13$813 NZD
Retailer 6$836 NZD
Retailer 12$836 NZD
Retailer 16$861 NZD
Retailer 17$1,040 NZD
Retailer 5$1,255 NZD
Retailer 8$1,330 NZD
Retailer 20$1,422 NZD
Retailer 21$1,451 NZD
Retailer 2$1,479 NZD
Retailer 4$1,588 NZD
Retailer 19$2,050 NZD
Retailer 7$2,100 NZD
Retailer 10$2,688 NZD
Retailer 15$2,720 NZD
Retailer 14$2,756 NZD
Retailer 22$2,978 NZD
Retailer 9$3,138 NZD
Retailer 3$3,284 NZD
Brilliant Earth$3,627 NZD

26 data points across 22 retailers

19 retailers

Retailer 1
-
$674 NZD
Price last confirmed 14 days ago
Retailer 2
-
$756 NZD
View
Price last confirmed 15 days ago
Retailer 3
-
$836 NZD
View
Price last confirmed 19 days ago
Retailer 4
-
$836 NZD
View
Price last confirmed 14 days ago
Retailer 5
-
$1,040 NZD
View
Price last confirmed 12 days ago
Retailer 6
-
$1,255 NZD
View
Price last confirmed 12 days ago
Retailer 7
-
$1,330 NZD
View
Price last confirmed 12 days ago
Retailer 8
-
$1,422 NZD
View
Price last confirmed 17 days ago
Retailer 9
-
$1,479 NZD
View
Price last confirmed 12 days ago
Retailer 10
-
$1,588 NZD
View
Price last confirmed 12 days ago
Retailer 11
-
$2,050 NZD
View
Price last confirmed 16 days ago
Retailer 12
-
$2,688 NZD
View
Price last confirmed 13 days ago
Retailer 13
-
$2,720 NZD
View
Price last confirmed 27 days ago
Retailer 14
-
$2,756 NZD
View
Price last confirmed 14 days ago
Retailer 15
-
$2,978 NZD
View
Price last confirmed 14 days ago
Retailer 16
-
$3,138 NZD
View
Price last confirmed 12 days ago
Retailer 17
-
$3,204 NZD
View
Price last confirmed 8 days ago
Retailer 18
-
$3,284 NZD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
16462995A · Nov 2
$3,627 NZD
$2,040 USD
View
18 more retailers have this diamond

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.

B
1.28ct Princess
$3,627 NZD