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Princess|Lab Grown|IGI

4.28ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG813651576

Shape and cutting style on the report: Princess cut

Certificate IGI LG813651576

Diamond specifications and retailer prices

From $10,459 CAD
$7,487 USD
As of October 30, 2026
Save $29,983 CAD (74%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $40,441 CAD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.28ct lab-grown princess diamond

This 4.28ct lab-grown princess sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813651576 or 813651576. Listed at 19 retailers as of October 30, 2026, with prices from $10,459 to $40,441, a $29,983 spread on the same certified stone. Taylor and Hart lists it at $40,441. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.28
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651576
Dimensions8.95 × 8.70 × 6.29 mm
L/W Ratio1.03
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
8.95 mm8.70 mm4.28 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651576
Side View
Table 69.0%Crown 38.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 72.3%

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: Oct 30
Current: $14,822 CAD|Low: $10,459 CAD|High: $47,685 CAD|Avg: $19,425 CAD|-19.2%
Retailer 1
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
Taylor and Hart
October 31, 2026
Retailer 8$10,459 CAD
Retailer 5$10,862 CAD
Retailer 13$10,878 CAD
Retailer 15$11,150 CAD
Retailer 6$11,713 CAD
Retailer 12$12,055 CAD
Retailer 3$12,132 CAD
Retailer 9$13,644 CAD
Retailer 14$13,716 CAD
Retailer 16$14,050 CAD
Retailer 17$14,709 CAD
Retailer 1$14,822 CAD
Retailer 7$17,372 CAD
Retailer 10$19,238 CAD
Retailer 4$22,184 CAD
Retailer 11$23,948 CAD
Retailer 2$33,777 CAD
Taylor and Hart$40,441 CAD

38 data points across 18 retailers

19 retailers$10,459 CAD to $40,441 CAD

A
Cheapest Retailer
-
$10,459 CAD
$7,487 USD
A
Retailer 2
-
$10,862 CAD
$7,776 USD
View
A
Retailer 3
-
$10,878 CAD
$7,787 USD
View
A
Retailer 4
-
$11,150 CAD
$7,982 USD
View
A
Retailer 5
-
$11,713 CAD
$8,385 USD
View
Final sale: no returns
A
Retailer 6
-
$12,055 CAD
$8,630 USD
View
A
Retailer 7
-
$12,132 CAD
$8,685 USD
View
Retailer 8
-
$12,132 CAD
$8,685 USD
View
Price last confirmed 15 days ago
A
Retailer 9
-
$13,644 CAD
$9,767 USD
View
A
Retailer 10
-
$13,716 CAD
$9,819 USD
View
A
Retailer 11
-
$14,050 CAD
$10,058 USD
View
A
Retailer 12
-
$14,709 CAD
$10,530 USD
View
A
Retailer 13
-
$14,822 CAD
£8,355 GBP
View
B+
Retailer 14
-
$17,372 CAD
£9,792 GBP
View
B+
Retailer 15
-
$19,238 CAD
€13,116 EUR
View
B+
Retailer 16
-
$22,184 CAD
$15,881 USD
View
B+
Retailer 17
-
$23,948 CAD
£13,499 GBP
View
B
Retailer 18
-
$33,777 CAD
$24,180 USD
View
Most Expensive
B
Taylor and Hart
UNPJEEV · Oct 31
$40,441 CAD
$28,951 USD
View
18 more retailers have this diamond
Prices start from $10,459 CADSave up to $29,983 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
4.28ct Princess
$10,459 CAD