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Emerald|Lab Grown|IGI

1.78ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG823624458

Shape and cutting style on the report: Emerald cut

Certificate IGI LG823624458

Diamond specifications and retailer prices

From €270 EUR
$302 USD
As of October 30, 2026
Save €2,880 EUR (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €3,151 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.78ct lab-grown emerald diamond

This 1.78ct 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 LG823624458 or 823624458. Listed at 21 retailers as of October 30, 2026, with prices from €270 to €3,151, a €2,880 spread on the same certified stone. Brilliant Earth lists it at €3,151. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823624458
Dimensions8.23 × 5.54 × 3.65 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.23 mm5.54 mm1.78 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823624458
Side View
Table 66.0%Crown 40.7°Girdle: Slightly ThickPavilion 38.6°Culet: LargeDepth 65.9%

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: €3,151 EUR|Low: €260 EUR|High: €4,180 EUR|Avg: €921 EUR|-12.2%
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 21€270 EUR
Retailer 5€302 EUR
Retailer 6€313 EUR
Retailer 7€336 EUR
Retailer 9€336 EUR
Retailer 20€452 EUR
Retailer 18€474 EUR
Retailer 17€576 EUR
Retailer 2€595 EUR
Retailer 13€596 EUR
Retailer 16€781 EUR
Retailer 19€1,030 EUR
Retailer 11€1,078 EUR
Retailer 12€1,078 EUR
Retailer 14€1,120 EUR
Retailer 8€1,224 EUR
Retailer 3€1,289 EUR
Retailer 10€1,310 EUR
Retailer 15€1,350 EUR
Retailer 4€1,360 EUR
Brilliant Earth€3,151 EUR

40 data points across 21 retailers

21 retailers€270 EUR to €3,151 EUR

A
Cheapest Retailer
-
€270 EUR
$302 USD
A
Retailer 2
-
€302 EUR
$337 USD
View
Final sale: no returns
A
Retailer 3
-
€313 EUR
$350 USD
View
A
Retailer 4
-
€336 EUR
$375 USD
View
A
Retailer 5
-
€336 EUR
$375 USD
View
B+
Retailer 6
-
€452 EUR
$505 USD
View
A
Retailer 7
-
€474 EUR
$530 USD
View
A
Retailer 8
-
€576 EUR
ZAR 10,398 ZAR
View
A
Retailer 9
-
€595 EUR
£524 GBP
View
A
Retailer 10
-
€596 EUR
View
A
Retailer 11
-
€781 EUR
A$1,343 AUD
View
B+
Retailer 12
-
€1,030 EUR
$1,151 USD
View
B+
Retailer 13
-
€1,078 EUR
SGD 1,627 SGD
View
B+
Retailer 14
-
€1,078 EUR
$1,204 USD
View
B+
Retailer 15
-
€1,120 EUR
$1,252 USD
View
B+
Retailer 16
-
€1,224 EUR
$1,367 USD
View
B+
Retailer 17
-
€1,289 EUR
$1,440 USD
View
B+
Retailer 18
-
€1,310 EUR
£1,152 GBP
View
B+
Retailer 19
-
€1,350 EUR
£1,188 GBP
View
B+
Retailer 20
-
€1,360 EUR
$1,519 USD
View
Most Expensive
B
Brilliant Earth
20908654A · Oct 31
€3,151 EUR
$3,520 USD
View
20 more retailers have this diamond
Prices start from €270 EURSave up to €2,880 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
1.78ct Emerald
€270 EUR