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Emerald|Lab Grown|IGI

1.78ct G IF Emerald Lab Grown Diamond

ID • G/IF • IGI LG620498304

Shape and cutting style on the report: Emerald cut

Certificate IGI LG620498304

Diamond specifications and retailer prices

From €286 EUR
$320 USD
As of October 30, 2026
Save €2,121 EUR (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,408 EUR at Brilliant Earth · As of October 30, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620498304 or 620498304. Listed at 22 retailers as of October 30, 2026, with prices from €286 to €2,408, a €2,121 spread on the same certified stone. Brilliant Earth lists it at €2,408. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620498304
Dimensions7.90 × 5.74 × 3.92 mm
L/W Ratio1.38
Culet sizeLong
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 Faint Blue
Top View
7.90 mm5.74 mm1.78 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620498304
Side View
Table 66.0%Crown 37.6°Girdle: MediumPavilion 36.6°Culet: LNGDepth 68.3%

Caratlytics Score

How it works →
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: €2,408 EUR|Low: €286 EUR|High: €2,936 EUR|Avg: €894 EUR|-18.0%
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
October 31, 2026
Retailer 4€286 EUR
Retailer 3€297 EUR
Retailer 9€422 EUR
Retailer 2€425 EUR
Retailer 10€496 EUR
Retailer 11€545 EUR
Retailer 5€560 EUR
Retailer 7€560 EUR
Retailer 8€757 EUR
Retailer 14€1,220 EUR
Retailer 6€1,241 EUR
Retailer 12€1,278 EUR
Retailer 13€2,117 EUR
Brilliant Earth€2,408 EUR

41 data points across 14 retailers

22 retailers€286 EUR to €2,408 EUR

Retailer 1
-
€256 EUR
$286 USD
Price last confirmed 13 days ago
A
Retailer 2
-
€286 EUR
$320 USD
View
Final sale: no returns
Retailer 3
-
€297 EUR
$332 USD
View
Price last confirmed 11 days ago
Retailer 4
-
€317 EUR
$354 USD
View
Price last confirmed 12 days ago
Retailer 5
-
€317 EUR
$354 USD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
€422 EUR
$472 USD
View
A
Retailer 7
-
€425 EUR
$475 USD
View
A
Retailer 8
-
€496 EUR
View
A
Retailer 9
-
€545 EUR
ZAR 9,839 ZAR
View
A
Retailer 10
-
€560 EUR
$626 USD
View
A
Retailer 11
-
€560 EUR
£493 GBP
View
A
Retailer 12
-
€757 EUR
$846 USD
View
B+
Retailer 13
-
€975 EUR
$1,089 USD
View
Retailer 14
-
€1,020 EUR
$1,139 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
€1,064 EUR
$1,189 USD
View
B+
Retailer 16
-
€1,100 EUR
$1,229 USD
View
B+
Retailer 17
-
€1,220 EUR
$1,363 USD
View
Retailer 18
-
€1,241 EUR
£1,092 GBP
View
Price last confirmed 23 days ago
B+
Retailer 19
-
€1,278 EUR
£1,124 GBP
View
B+
Retailer 20
-
€1,311 EUR
$1,465 USD
View
Retailer 21
-
€2,117 EUR
$2,365 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
16509102A · Oct 30
€2,408 EUR
$2,690 USD
View
21 more retailers have this diamond
Prices start from €286 EURSave up to €2,121 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
€286 EUR