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Princess|Lab Grown|IGI

1.28ct F IF Princess Lab Grown Diamond

ID • F/IF • IGI LG683544256

Shape and cutting style on the report: Princess cut

Certificate IGI LG683544256

Diamond specifications and retailer prices

From $772 NZD
As of November 4, 2026
Save $3,177 NZD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,949 NZD at Brilliant Earth · As of November 4, 2026
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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683544256 or 683544256. Listed at 23 retailers as of November 4, 2026, with prices from $772 to $3,949, a $3,177 spread on the same certified stone. Brilliant Earth lists it at $3,949. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683544256
Dimensions5.92 × 5.90 × 4.14 mm
L/W Ratio1.00
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
5.92 mm5.90 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683544256
Side View
Table 67.0%Crown 41.7°Girdle: THN-MEDPavilion 37.9°Culet: NoneDepth 70.2%

Caratlytics Score

How it works →
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: Nov 4
Current: $3,949 NZD|Low: $765 NZD|High: $3,949 NZD|Avg: $1,998 NZD|+0.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 10$772 NZD
Retailer 20$865 NZD
Retailer 21$866 NZD
Retailer 6$959 NZD
Retailer 11$959 NZD
Retailer 17$1,219 NZD
Retailer 5$1,366 NZD
Retailer 7$1,509 NZD
Retailer 2$1,565 NZD
Retailer 18$1,653 NZD
Retailer 19$1,685 NZD
Retailer 4$1,702 NZD
Retailer 14$2,327 NZD
Retailer 13$2,341 NZD
Retailer 3$2,562 NZD
Retailer 16$2,688 NZD
Retailer 9$3,081 NZD
Retailer 12$3,136 NZD
Retailer 8$3,453 NZD
Retailer 15$3,510 NZD
Brilliant Earth$3,949 NZD

37 data points across 21 retailers

23 retailers$772 NZD to $3,949 NZD

A
Cheapest Retailer
-
$772 NZD
A
Retailer 2
-
$865 NZD
View
Final sale: no returns
A
Retailer 3
-
$866 NZD
View
A
Retailer 4
-
$959 NZD
View
Retailer 5
-
$959 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,219 NZD
View
A
Retailer 7
-
$1,366 NZD
View
A
Retailer 8
-
$1,509 NZD
View
A
Retailer 9
-
$1,565 NZD
View
B+
Retailer 10
-
$1,653 NZD
View
Retailer 11
-
$1,685 NZD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$1,702 NZD
View
Retailer 13
-
$2,327 NZD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$2,341 NZD
View
B+
Retailer 15
-
$2,346 NZD
View
Retailer 16
-
$2,562 NZD
View
Price last confirmed 19 days ago
B
Retailer 17
-
$2,688 NZD
View
B
Retailer 18
-
$3,081 NZD
View
B
Retailer 19
-
$3,136 NZD
View
B
Retailer 20
-
$3,453 NZD
View
B
Retailer 21
-
$3,510 NZD
View
B
Retailer 22
-
$3,711 NZD
View
Most Expensive
B
Brilliant Earth
14844749A · Nov 4
$3,949 NZD
$2,220 USD
View
22 more retailers have this diamond
Prices start from $772 NZDSave up to $3,177 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
$772 NZD