Emerald|Lab Grown|IGI

4.21ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG770625758

Shape and cutting style on the report: Emerald cut

Certificate IGI LG770625758

Diamond specifications and retailer prices

From $2,968 CAD
$2,125 USD
As of October 30, 2026
Save $9,071 CAD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,039 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.21ct lab-grown emerald diamond

This 4.21ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770625758 or 770625758. Listed at 21 retailers as of October 30, 2026, with prices from $2,968 to $12,039, a $9,071 spread on the same certified stone. Taylor and Hart lists it at $12,039. 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

4.21
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770625758
Dimensions10.90 × 7.47 × 4.97 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm7.47 mm4.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770625758
Side View
Table 65.0%Crown 36.6°Girdle: MediumPavilion 37.2°Culet: LargeDepth 66.5%

Caratlytics Score

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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: $4,738 CAD|Low: $2,850 CAD|High: $13,259 CAD|Avg: $6,355 CAD|-12.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
Retailer 15
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Retailer 19
Taylor and Hart
October 30, 2026
Retailer 18$2,968 CAD
Retailer 5$3,230 CAD
Retailer 4$3,323 CAD
Retailer 6$3,443 CAD
Retailer 9$3,443 CAD
Retailer 19$3,674 CAD
Retailer 8$3,779 CAD
Retailer 1$4,738 CAD
Retailer 15$4,920 CAD
Retailer 17$5,396 CAD
Retailer 13$6,043 CAD
Retailer 10$6,536 CAD
Retailer 12$7,329 CAD
Retailer 16$7,388 CAD
Retailer 7$8,151 CAD
Retailer 3$9,275 CAD
Retailer 14$9,392 CAD
Retailer 2$9,771 CAD
Retailer 11$11,512 CAD
Taylor and Hart$12,039 CAD

42 data points across 20 retailers

21 retailers$2,968 CAD to $12,039 CAD

A
Cheapest Retailer
-
$2,968 CAD
$2,125 USD
A
Retailer 2
-
$3,230 CAD
$2,312 USD
View
A
Retailer 3
-
$3,323 CAD
$2,379 USD
View
Final sale: no returns
A
Retailer 4
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$3,443 CAD
$2,465 USD
View
Retailer 5
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$3,443 CAD
$2,465 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$3,674 CAD
$2,630 USD
View
A
Retailer 7
-
$3,779 CAD
$2,705 USD
View
A
Retailer 8
-
$4,733 CAD
$3,388 USD
View
A
Retailer 9
-
$4,738 CAD
£2,671 GBP
View
A
Retailer 10
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$4,920 CAD
$3,522 USD
View
A
Retailer 11
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$5,396 CAD
$3,863 USD
View
A
Retailer 12
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$6,043 CAD
€4,120 EUR
View
A
Retailer 13
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$6,536 CAD
£3,684 GBP
View
A
Retailer 14
-
$7,329 CAD
ZAR 84,759 ZAR
View
Retailer 15
-
$7,388 CAD
A$8,137 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
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$8,151 CAD
$5,835 USD
View
A
Retailer 17
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$9,275 CAD
$6,640 USD
View
A
Retailer 18
-
$9,392 CAD
£5,294 GBP
View
A
Retailer 19
-
$9,771 CAD
$6,995 USD
View
B+
Retailer 20
-
$11,512 CAD
SGD 11,137 SGD
View
Most Expensive
B+
Taylor and Hart
DMRG8K7 · Oct 30
$12,039 CAD
$8,618 USD
View
20 more retailers have this diamond
Prices start from $2,968 CADSave up to $9,071 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
4.21ct Emerald
$2,968 CAD