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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 $475 USD
As of October 30, 2026
Save $3,295 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,770 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $475 to $3,770, a $3,295 spread on the same certified stone. Brilliant Earth lists it at $3,770. 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
Color
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

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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: $3,770 USD|Low: $456 USD|High: $3,890 USD|Avg: $1,552 USD|-3.1%
Brilliant Earth
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 19
October 29, 2026
Retailer 18$475 USD
Retailer 4$532 USD
Retailer 3$588 USD
Retailer 19$588 USD
Retailer 16$790 USD
Retailer 12$900 USD
Retailer 7$1,020 USD
Retailer 13$1,171 USD
Retailer 2$1,179 USD
Retailer 9$1,369 USD
Retailer 17$1,582 USD
Retailer 8$1,722 USD
Retailer 5$1,892 USD
Retailer 10$1,921 USD
Retailer 14$2,164 USD
Retailer 11$2,344 USD
Retailer 6$2,378 USD
Retailer 15$3,045 USD
Brilliant Earth$3,770 USD

32 data points across 19 retailers

19 retailers$475 USD to $3,770 USD

A
Cheapest Retailer
-
$475 USD
A
Retailer 2
-
$532 USD
View
Retailer 3
-
$588 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$588 USD
View
A
Retailer 5
-
$730 USD
View
B+
Retailer 6
-
$790 USD
View
A
Retailer 7
-
$900 USD
€857 EUR
View
A
Retailer 8
-
$1,020 USD
View
A
Retailer 9
-
$1,171 USD
ZAR 18,918 ZAR
View
A
Retailer 10
-
$1,179 USD
A$1,814 AUD
View
A
Retailer 11
-
$1,369 USD
View
B+
Retailer 12
-
$1,582 USD
View
B+
Retailer 13
-
$1,722 USD
£1,356 GBP
View
B+
Retailer 14
-
$1,892 USD
View
B+
Retailer 15
-
$1,921 USD
View
B+
Retailer 16
-
$2,164 USD
£1,704 GBP
View
Retailer 17
-
$2,378 USD
SGD 3,214 SGD
View
Price last confirmed 17 days ago
B
Retailer 18
-
$3,045 USD
View
Most Expensive
B
Brilliant Earth
20456019A · Oct 29
$3,770 USD
View
18 more retailers have this diamond
Prices start from $475 USDSave up to $3,295 USD

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
$475 USD