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Emerald|Lab Grown|IGI

1.91ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG780636733

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780636733

Diamond specifications and retailer prices

From $284 USD
As of October 30, 2026
Save $3,556 USD (93%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,840 USD 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 LG780636733 or 780636733. Listed at 21 retailers as of October 29, 2026, with prices from $284 to $3,840, a $3,556 spread on the same certified stone. Brilliant Earth lists it at $3,840. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780636733
Dimensions8.66 × 5.80 × 3.72 mm
L/W Ratio1.49
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
8.66 mm5.80 mm1.91 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780636733
Side View
Table 63.0%Crown 35°Girdle: MediumPavilion 41.7°Culet: LargeDepth 64.1%

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: $1,659 USD|Low: $318 USD|High: $2,995 USD|Avg: $1,133 USD
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
October 30, 2026
Retailer 6$318 USD
Retailer 3$329 USD
Retailer 14$510 USD
Retailer 8$579 USD
Retailer 13$668 USD
Retailer 10$693 USD
Retailer 4$704 USD
Retailer 12$906 USD
Retailer 15$984 USD
Retailer 5$1,221 USD
Retailer 17$1,354 USD
Retailer 7$1,412 USD
Retailer 2$1,448 USD
Retailer 11$1,566 USD
Retailer 1$1,659 USD
Retailer 16$2,520 USD
Retailer 9$2,965 USD

41 data points across 17 retailers

21 retailers$284 USD to $3,840 USD

A
Cheapest Retailer
-
$284 USD
A
Retailer 2
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$318 USD
View
Final sale: no returns
A
Retailer 3
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$329 USD
View
A
Retailer 4
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$352 USD
View
A
Retailer 5
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$510 USD
View
A
Retailer 6
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$579 USD
View
A
Retailer 7
-
$668 USD
ZAR 10,789 ZAR
View
A
Retailer 8
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$693 USD
£545 GBP
View
A
Retailer 9
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$704 USD
View
A
Retailer 10
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$906 USD
A$1,394 AUD
View
A
Retailer 11
-
$984 USD
View
B+
Retailer 12
-
$1,221 USD
View
B+
Retailer 13
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$1,249 USD
View
B+
Retailer 14
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$1,354 USD
View
B+
Retailer 15
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$1,412 USD
View
B+
Retailer 16
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$1,448 USD
SGD 1,957 SGD
View
B+
Retailer 17
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$1,566 USD
£1,233 GBP
View
B+
Retailer 18
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$1,659 USD
A$2,552 AUD
View
B
Retailer 19
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$2,520 USD
View
Retailer 20
-
$2,965 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
22138651Y · Oct 29
$3,840 USD
View
20 more retailers have this diamond
Prices start from $284 USDSave up to $3,556 USD

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
$284 USD