Emerald|Lab Grown|IGI

1.91ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG578315529

Shape and cutting style on the report: Emerald cut

Certificate IGI LG578315529

Diamond specifications and retailer prices

From $543 CAD
$388 USD
As of October 27, 2026
Save $5,699 CAD (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $6,242 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.91ct lab-grown emerald diamond

This 1.91ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG578315529 or 578315529. Listed at 26 retailers as of October 27, 2026, with prices from $543 to $6,242, a $5,699 spread on the same certified stone. Brilliant Earth lists it at $6,242. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578315529
Dimensions5.83 × 5.83 × 3.87 mm
L/W Ratio1.00
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
5.83 mm5.83 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578315529
Side View
Table 62.0%Crown 30.4°Girdle: MED-STKPavilion 40.6°Culet: LargeDepth 66.4%

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 27
Current: $6,242 CAD|Low: $543 CAD|High: $7,040 CAD|Avg: $2,256 CAD|-11.3%
Brilliant Earth
Retailer 2
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October 29, 2026
Retailer 23$543 CAD
Retailer 18$607 CAD
Retailer 16$609 CAD
Retailer 8$675 CAD
Retailer 9$675 CAD
Retailer 7$735 CAD
Retailer 22$882 CAD
Retailer 4$907 CAD
Retailer 24$1,039 CAD
Retailer 19$1,080 CAD
Retailer 21$1,158 CAD
Retailer 2$1,221 CAD
Retailer 13$1,565 CAD
Retailer 3$1,617 CAD
Retailer 6$1,962 CAD
Retailer 11$2,149 CAD
Retailer 12$2,167 CAD
Retailer 5$2,218 CAD
Retailer 15$2,219 CAD
Retailer 10$2,512 CAD
Retailer 17$2,622 CAD
Retailer 20$2,648 CAD
Retailer 14$2,729 CAD
Brilliant Earth$6,242 CAD

30 data points across 24 retailers

26 retailers$543 CAD to $6,242 CAD

A
Cheapest Retailer
-
$543 CAD
$388 USD
A
Retailer 2
-
$607 CAD
$434 USD
View
Final sale: no returns
A
Retailer 3
-
$609 CAD
$435 USD
View
A
Retailer 4
-
$675 CAD
$482 USD
View
A
Retailer 5
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$675 CAD
$482 USD
View
A
Retailer 6
-
$735 CAD
HK$4,100 HKD
View
A
Retailer 7
-
$882 CAD
$630 USD
View
A
Retailer 8
-
$907 CAD
$648 USD
View
A
Retailer 9
-
$1,039 CAD
$742 USD
View
A
Retailer 10
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$1,080 CAD
€735 EUR
View
A
Retailer 11
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$1,158 CAD
ZAR 13,371 ZAR
View
A
Retailer 12
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$1,221 CAD
£687 GBP
View
A
Retailer 13
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$1,565 CAD
A$1,720 AUD
View
A
Retailer 14
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$1,617 CAD
$1,155 USD
View
B+
Retailer 15
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$1,962 CAD
£1,104 GBP
View
B+
Retailer 16
-
$2,149 CAD
SGD 2,075 SGD
View
B+
Retailer 17
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$2,167 CAD
$1,548 USD
View
B+
Retailer 18
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$2,218 CAD
$1,585 USD
View
B+
Retailer 19
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$2,219 CAD
$1,586 USD
View
B+
Retailer 20
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$2,358 CAD
$1,685 USD
View
B+
Retailer 21
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$2,512 CAD
$1,795 USD
View
B+
Retailer 22
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$2,533 CAD
$1,810 USD
View
Price last confirmed 43 days ago
B+
Retailer 23
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$2,622 CAD
A$2,882 AUD
View
Price last confirmed 21 days ago
B+
Retailer 24
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$2,648 CAD
£1,490 GBP
View
B+
Retailer 25
-
$2,729 CAD
$1,950 USD
View
Most Expensive
B
Brilliant Earth
18469400A · Oct 29
$6,242 CAD
$4,460 USD
View
25 more retailers have this diamond
Prices start from $543 CADSave up to $5,699 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
1.91ct Emerald
$543 CAD