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Emerald|Lab Grown|IGI

4.20ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG780666205

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780666205

Diamond specifications and retailer prices

From $5,307 CAD
$3,799 USD
As of October 30, 2026
Save $31,208 CAD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $36,515 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.2ct lab-grown emerald diamond

This 4.2ct lab-grown emerald 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 LG780666205 or 780666205. Listed at 15 retailers as of October 30, 2026, with prices from $5,307 to $36,515, a $31,208 spread on the same certified stone. Do Amore Diamonds lists it at $36,515. 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 angle34.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666205
Dimensions10.48 × 7.52 × 4.99 mm
L/W Ratio1.39
Culet sizeLarge
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
10.48 mm7.52 mm4.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666205
Side View
Table 62.0%Crown 34.6°Girdle: ThickPavilion 39.4°Culet: LargeDepth 66.4%

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: $36,515 CAD|Low: $5,307 CAD|High: $41,642 CAD|Avg: $12,180 CAD|-12.3%
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
October 31, 2026
Retailer 15$5,307 CAD
Retailer 9$5,561 CAD
Retailer 12$5,757 CAD
Retailer 8$6,244 CAD
Retailer 10$6,503 CAD
Retailer 7$7,130 CAD
Retailer 11$8,163 CAD
Retailer 2$8,490 CAD
Retailer 5$9,563 CAD
Retailer 6$11,119 CAD
Retailer 3$11,731 CAD
Retailer 4$14,180 CAD
Retailer 13$16,693 CAD
Retailer 14$16,896 CAD
Do Amore Diamonds$36,515 CAD

36 data points across 15 retailers

15 retailers$5,307 CAD to $36,515 CAD

A
Cheapest Retailer
-
$5,307 CAD
$3,799 USD
A
Retailer 2
-
$5,561 CAD
$3,981 USD
View
A
Retailer 3
-
$5,757 CAD
$4,121 USD
View
A
Retailer 4
-
$6,244 CAD
$4,470 USD
View
A
Retailer 5
-
$6,503 CAD
$4,655 USD
View
A
Retailer 6
-
$7,130 CAD
$5,104 USD
View
Final sale: no returns
A
Retailer 7
-
$8,163 CAD
$5,844 USD
View
A
Retailer 8
-
$8,490 CAD
$6,078 USD
View
A
Retailer 9
-
$9,563 CAD
$6,846 USD
View
Retailer 10
-
$11,119 CAD
$7,960 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
$11,731 CAD
€7,998 EUR
View
B+
Retailer 12
-
$14,180 CAD
£7,993 GBP
View
B+
Retailer 13
-
$16,693 CAD
$11,950 USD
View
B+
Retailer 14
-
$16,896 CAD
$12,095 USD
View
Most Expensive
B
Do Amore Diamonds
27-218FC0F13 · Oct 31
$36,515 CAD
$26,140 USD
View
14 more retailers have this diamond
Prices start from $5,307 CADSave up to $31,208 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 Emerald
$5,307 CAD