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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 €347 EUR
$388 USD
As of October 30, 2026
Save €3,645 EUR (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €3,992 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 €347 to €3,992, a €3,645 spread on the same certified stone. Brilliant Earth lists it at €3,992. 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
Dimensions8.15 × 5.83 × 3.87 mm
L/W Ratio1.40
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
8.15 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: €3,992 EUR|Low: €347 EUR|High: €4,502 EUR|Avg: €1,412 EUR|-11.3%
Brilliant Earth
Retailer 2
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Retailer 24
October 30, 2026
Retailer 3€347 EUR
Retailer 20€388 EUR
Retailer 17€389 EUR
Retailer 10€431 EUR
Retailer 11€431 EUR
Retailer 9€470 EUR
Retailer 24€564 EUR
Retailer 6€580 EUR
Retailer 4€664 EUR
Retailer 21€691 EUR
Retailer 23€741 EUR
Retailer 18€781 EUR
Retailer 19€1,001 EUR
Retailer 5€1,034 EUR
Retailer 8€1,255 EUR
Retailer 14€1,374 EUR
Retailer 15€1,386 EUR
Retailer 7€1,419 EUR
Retailer 16€1,419 EUR
Retailer 2€1,498 EUR
Retailer 12€1,607 EUR
Retailer 13€1,614 EUR
Retailer 22€1,694 EUR
Brilliant Earth€3,992 EUR

31 data points across 24 retailers

26 retailers€347 EUR to €3,992 EUR

A
Cheapest Retailer
-
€347 EUR
$388 USD
A
Retailer 2
-
€388 EUR
$434 USD
View
Final sale: no returns
A
Retailer 3
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€389 EUR
$435 USD
View
A
Retailer 4
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€431 EUR
$482 USD
View
A
Retailer 5
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€431 EUR
$482 USD
View
A
Retailer 6
-
€470 EUR
HK$4,100 HKD
View
A
Retailer 7
-
€564 EUR
$630 USD
View
A
Retailer 8
-
€580 EUR
$648 USD
View
A
Retailer 9
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€664 EUR
$742 USD
View
A
Retailer 10
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€691 EUR
View
A
Retailer 11
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€741 EUR
ZAR 13,371 ZAR
View
A
Retailer 12
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€781 EUR
£687 GBP
View
A
Retailer 13
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€1,001 EUR
A$1,720 AUD
View
A
Retailer 14
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€1,034 EUR
$1,155 USD
View
B+
Retailer 15
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€1,255 EUR
£1,104 GBP
View
B+
Retailer 16
-
€1,374 EUR
SGD 2,075 SGD
View
B+
Retailer 17
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€1,386 EUR
$1,548 USD
View
B+
Retailer 18
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€1,419 EUR
$1,585 USD
View
B+
Retailer 19
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€1,419 EUR
$1,586 USD
View
B+
Retailer 20
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€1,498 EUR
A$2,574 AUD
View
B+
Retailer 21
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€1,607 EUR
$1,795 USD
View
B+
Retailer 22
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€1,614 EUR
$1,803 USD
View
Retailer 23
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€1,620 EUR
$1,810 USD
View
Price last confirmed 45 days ago
B+
Retailer 24
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€1,694 EUR
£1,490 GBP
View
B+
Retailer 25
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€1,745 EUR
$1,950 USD
View
Most Expensive
B
Brilliant Earth
18469400A · Oct 29
€3,992 EUR
$4,460 USD
View
25 more retailers have this diamond
Prices start from €347 EURSave up to €3,645 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
€347 EUR