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Princess|Lab Grown|IGI

4.20ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG780662054

Shape and cutting style on the report: Princess cut

Certificate IGI LG780662054

Diamond specifications and retailer prices

From $7,381 CAD
$5,284 USD
As of October 30, 2026
Save $43,410 CAD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $50,791 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.2ct lab-grown princess diamond

This 4.2ct 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 LG780662054 or 780662054. Listed at 15 retailers as of October 30, 2026, with prices from $7,381 to $50,791, a $43,410 spread on the same certified stone. Do Amore Diamonds lists it at $50,791. 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

4.20
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662054
Dimensions9.00 × 8.80 × 6.16 mm
L/W Ratio1.02
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
9.00 mm8.80 mm4.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662054
Side View
Table 66.0%Crown 42.1°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 70.0%

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: $50,791 CAD|Low: $7,381 CAD|High: $61,547 CAD|Avg: $16,673 CAD|-17.5%
Do Amore Diamonds
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
November 1, 2026
Retailer 13$7,381 CAD
Retailer 11$7,732 CAD
Retailer 9$7,736 CAD
Retailer 14$7,873 CAD
Retailer 15$8,584 CAD
Retailer 10$10,545 CAD
Retailer 5$11,220 CAD
Retailer 7$11,639 CAD
Retailer 6$13,068 CAD
Retailer 8$13,230 CAD
Retailer 3$16,517 CAD
Retailer 12$18,788 CAD
Retailer 2$19,233 CAD
Retailer 4$23,704 CAD
Do Amore Diamonds$50,791 CAD

36 data points across 15 retailers

15 retailers$7,381 CAD to $50,791 CAD

A
Cheapest Retailer
-
$7,381 CAD
$5,284 USD
A
Retailer 2
-
$7,732 CAD
$5,535 USD
View
A
Retailer 3
-
$7,736 CAD
$5,538 USD
View
A
Retailer 4
-
$7,873 CAD
$5,636 USD
View
A
Retailer 5
-
$8,584 CAD
$6,145 USD
View
A
Retailer 6
-
$10,545 CAD
$7,549 USD
View
A
Retailer 7
-
$11,220 CAD
$8,032 USD
View
A
Retailer 8
-
$11,639 CAD
$8,332 USD
View
Final sale: no returns
A
Retailer 9
-
$13,068 CAD
$9,355 USD
View
A
Retailer 10
-
$13,230 CAD
$9,471 USD
View
B+
Retailer 11
-
$16,517 CAD
€11,261 EUR
View
B+
Retailer 12
-
$18,788 CAD
$13,450 USD
View
B+
Retailer 13
-
$19,233 CAD
£10,841 GBP
View
B+
Retailer 14
-
$23,704 CAD
$16,969 USD
View
Most Expensive
B
Do Amore Diamonds
27-1A18A5279 · Oct 31
$50,791 CAD
$36,360 USD
View
14 more retailers have this diamond
Prices start from $7,381 CADSave up to $43,410 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
4.20ct Princess
$7,381 CAD