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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 $605 CAD
As of November 4, 2026
Save $2,489 CAD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,094 CAD 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 $605 to $3,094, a $2,489 spread on the same certified stone. Brilliant Earth lists it at $3,094. 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
Color
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: $3,094 CAD|Low: $599 CAD|High: $3,094 CAD|Avg: $1,563 CAD|+0.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 17
Retailer 18
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Retailer 21
November 5, 2026
Retailer 10$605 CAD
Retailer 20$677 CAD
Retailer 21$679 CAD
Retailer 6$751 CAD
Retailer 11$751 CAD
Retailer 17$955 CAD
Retailer 5$1,070 CAD
Retailer 7$1,182 CAD
Retailer 15$1,226 CAD
Retailer 18$1,295 CAD
Retailer 19$1,320 CAD
Retailer 4$1,334 CAD
Retailer 14$1,823 CAD
Retailer 2$1,834 CAD
Retailer 3$2,007 CAD
Retailer 16$2,106 CAD
Retailer 9$2,414 CAD
Retailer 12$2,457 CAD
Retailer 8$2,705 CAD
Retailer 13$2,749 CAD
Brilliant Earth$3,094 CAD

36 data points across 21 retailers

23 retailers$605 CAD to $3,094 CAD

A
Cheapest Retailer
-
$605 CAD
A
Retailer 2
-
$677 CAD
View
Final sale: no returns
A
Retailer 3
-
$679 CAD
View
A
Retailer 4
-
$751 CAD
View
Retailer 5
-
$751 CAD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$955 CAD
View
A
Retailer 7
-
$1,070 CAD
View
A
Retailer 8
-
$1,182 CAD
View
A
Retailer 9
-
$1,226 CAD
View
B+
Retailer 10
-
$1,295 CAD
View
B+
Retailer 11
-
$1,320 CAD
View
B+
Retailer 12
-
$1,334 CAD
View
Retailer 13
-
$1,823 CAD
View
Price last confirmed 28 days ago
B+
Retailer 14
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$1,834 CAD
View
B+
Retailer 15
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$1,838 CAD
View
Retailer 16
-
$2,007 CAD
View
Price last confirmed 18 days ago
B
Retailer 17
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$2,106 CAD
View
B
Retailer 18
-
$2,414 CAD
View
B
Retailer 19
-
$2,457 CAD
View
B
Retailer 20
-
$2,705 CAD
View
B
Retailer 21
-
$2,749 CAD
View
B
Retailer 22
-
$2,907 CAD
View
Most Expensive
B
Brilliant Earth
14844749A · Nov 4
$3,094 CAD
$2,220 USD
View
22 more retailers have this diamond
Prices start from $605 CADSave up to $2,489 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
$605 CAD