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Emerald|Lab Grown|IGI

4.55ct H VS1 Emerald Lab Grown Diamond

EX • H/VS1 • IGI LG579382397

Shape and cutting style on the report: Emerald cut

Certificate IGI LG579382397

Diamond specifications and retailer prices

From €425 EUR
$475 USD
As of October 30, 2026
Save €2,430 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,855 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.55ct lab-grown emerald diamond

This 4.55ct lab-grown emerald sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG579382397 or 579382397. Listed at 19 retailers as of October 30, 2026, with prices from €425 to €2,855, a €2,430 spread on the same certified stone. Brilliant Earth lists it at €2,855. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.55
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579382397
Dimensions11.00 × 7.68 × 5.29 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.00 mm7.68 mm4.55 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579382397
Side View
Table 68.0%Crown 33.3°Girdle: MediumPavilion 41.6°Culet: LargeDepth 68.9%

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: €2,855 EUR|Low: €408 EUR|High: €3,482 EUR|Avg: €1,387 EUR|-18.0%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
October 31, 2026
Retailer 3€425 EUR
Retailer 6€476 EUR
Retailer 4€526 EUR
Retailer 5€526 EUR
Retailer 18€707 EUR
Retailer 14€805 EUR
Retailer 8€913 EUR
Retailer 15€1,048 EUR
Retailer 13€1,055 EUR
Retailer 10€1,225 EUR
Retailer 19€1,416 EUR
Retailer 12€1,488 EUR
Retailer 9€1,541 EUR
Retailer 2€1,841 EUR
Retailer 16€1,937 EUR
Retailer 11€2,098 EUR
Retailer 7€2,129 EUR
Retailer 17€2,726 EUR
Brilliant Earth€2,855 EUR

34 data points across 19 retailers

19 retailers€425 EUR to €2,855 EUR

A
Cheapest Retailer
-
€425 EUR
$475 USD
A
Retailer 2
-
€476 EUR
$532 USD
View
Retailer 3
-
€526 EUR
$588 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
€526 EUR
$588 USD
View
A
Retailer 5
-
€653 EUR
$730 USD
View
B+
Retailer 6
-
€707 EUR
$790 USD
View
A
Retailer 7
-
€805 EUR
View
A
Retailer 8
-
€913 EUR
$1,020 USD
View
A
Retailer 9
-
€1,048 EUR
ZAR 18,918 ZAR
View
A
Retailer 10
-
€1,055 EUR
A$1,814 AUD
View
A
Retailer 11
-
€1,225 EUR
$1,369 USD
View
B+
Retailer 12
-
€1,416 EUR
$1,582 USD
View
B+
Retailer 13
-
€1,488 EUR
$1,662 USD
View
B+
Retailer 14
-
€1,541 EUR
£1,356 GBP
View
B+
Retailer 15
-
€1,841 EUR
$2,057 USD
View
B+
Retailer 16
-
€1,937 EUR
£1,704 GBP
View
Retailer 17
-
€2,129 EUR
SGD 3,214 SGD
View
Price last confirmed 18 days ago
B
Retailer 18
-
€2,726 EUR
$3,045 USD
View
Most Expensive
B
Brilliant Earth
20456019A · Oct 30
€2,855 EUR
$3,190 USD
View
18 more retailers have this diamond
Prices start from €425 EURSave up to €2,430 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
4.55ct Emerald
€425 EUR