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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 €349 EUR
$388 USD
As of October 30, 2026
Save €3,659 EUR (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €4,007 EUR 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 29, 2026, with prices from €349 to €4,007, a €3,659 spread on the same certified stone. Brilliant Earth lists it at €4,007. 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
Colour
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

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: €4,007 EUR|Low: €349 EUR|High: €4,519 EUR|Avg: €1,448 EUR|-11.3%
Brilliant Earth
Retailer 2
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Retailer 24
October 29, 2026
Retailer 23€349 EUR
Retailer 18€390 EUR
Retailer 16€391 EUR
Retailer 8€433 EUR
Retailer 9€433 EUR
Retailer 7€472 EUR
Retailer 22€566 EUR
Retailer 4€582 EUR
Retailer 24€667 EUR
Retailer 19€693 EUR
Retailer 21€744 EUR
Retailer 2€784 EUR
Retailer 13€1,004 EUR
Retailer 3€1,038 EUR
Retailer 6€1,260 EUR
Retailer 11€1,380 EUR
Retailer 12€1,391 EUR
Retailer 5€1,424 EUR
Retailer 15€1,425 EUR
Retailer 10€1,613 EUR
Retailer 17€1,683 EUR
Retailer 20€1,700 EUR
Retailer 14€1,752 EUR
Brilliant Earth€4,007 EUR

30 data points across 24 retailers

26 retailers€349 EUR to €4,007 EUR

A
Cheapest Retailer
-
€349 EUR
$388 USD
A
Retailer 2
-
€390 EUR
$434 USD
View
Final sale: no returns
A
Retailer 3
-
€391 EUR
$435 USD
View
A
Retailer 4
-
€433 EUR
$482 USD
View
A
Retailer 5
-
€433 EUR
$482 USD
View
A
Retailer 6
-
€472 EUR
HK$4,100 HKD
View
A
Retailer 7
-
€566 EUR
$630 USD
View
A
Retailer 8
-
€582 EUR
$648 USD
View
A
Retailer 9
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€667 EUR
$742 USD
View
A
Retailer 10
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€693 EUR
View
A
Retailer 11
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€744 EUR
ZAR 13,371 ZAR
View
A
Retailer 12
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€784 EUR
£687 GBP
View
A
Retailer 13
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€1,004 EUR
A$1,720 AUD
View
A
Retailer 14
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€1,038 EUR
$1,155 USD
View
B+
Retailer 15
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€1,260 EUR
£1,104 GBP
View
B+
Retailer 16
-
€1,380 EUR
SGD 2,075 SGD
View
B+
Retailer 17
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€1,391 EUR
$1,548 USD
View
B+
Retailer 18
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€1,424 EUR
$1,585 USD
View
B+
Retailer 19
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€1,425 EUR
$1,586 USD
View
B+
Retailer 20
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€1,514 EUR
$1,685 USD
View
B+
Retailer 21
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€1,613 EUR
$1,795 USD
View
Retailer 22
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€1,626 EUR
$1,810 USD
View
Price last confirmed 43 days ago
Retailer 23
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€1,683 EUR
A$2,882 AUD
View
Price last confirmed 21 days ago
B+
Retailer 24
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€1,700 EUR
£1,490 GBP
View
B+
Retailer 25
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€1,752 EUR
$1,950 USD
View
Most Expensive
B
Brilliant Earth
18469400A · Oct 29
€4,007 EUR
$4,460 USD
View
25 more retailers have this diamond
Prices start from €349 EURSave up to €3,659 EUR

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
€349 EUR