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Emerald|Lab Grown|IGI

3.90ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG604380856

Shape and cutting style on the report: Emerald cut

Certificate IGI LG604380856

Diamond specifications and retailer prices

From $452 USD
As of October 27, 2026
Save $4,058 USD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,510 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.9ct lab-grown emerald diamond

This 3.9ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG604380856 or 604380856. Listed at 18 retailers as of October 27, 2026, with prices from $452 to $4,510, a $4,058 spread on the same certified stone. Brilliant Earth lists it at $4,510. 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

3.90
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604380856
Dimensions10.36 × 7.40 × 5.04 mm
L/W Ratio1.40
Culet sizeLong
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
10.36 mm7.40 mm3.90 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604380856
Side View
Table 64.0%Crown 35.4°Girdle: MediumPavilion 39°Culet: LNGDepth 68.1%

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 27
Current: $4,510 USD|Low: $434 USD|High: $4,870 USD|Avg: $1,367 USD|-7.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 8$452 USD
Retailer 16$506 USD
Retailer 4$560 USD
Retailer 19$560 USD
Retailer 9$577 USD
Retailer 5$877 USD
Retailer 15$880 USD
Retailer 12$883 USD
Retailer 2$927 USD
Retailer 3$968 USD
Retailer 17$1,191 USD
Retailer 14$1,216 USD
Retailer 11$1,447 USD
Retailer 18$1,506 USD
Retailer 7$1,801 USD
Retailer 6$1,833 USD
Retailer 13$2,069 USD
Retailer 10$2,097 USD
Brilliant Earth$4,510 USD

38 data points across 19 retailers

18 retailers$452 USD to $4,510 USD

A
Cheapest Retailer
-
$452 USD
A
Retailer 2
-
$506 USD
View
A
Retailer 3
-
$560 USD
View
A
Retailer 4
-
$560 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$877 USD
View
A
Retailer 6
-
$880 USD
View
A
Retailer 7
-
$883 USD
€841 EUR
View
A
Retailer 8
-
$927 USD
£730 GBP
View
A
Retailer 9
-
$968 USD
View
A
Retailer 10
-
$1,191 USD
A$1,833 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$1,216 USD
ZAR 19,650 ZAR
View
A
Retailer 12
-
$1,447 USD
View
B+
Retailer 13
-
$1,506 USD
View
B+
Retailer 14
-
$1,801 USD
View
B+
Retailer 15
-
$1,833 USD
View
B+
Retailer 16
-
$2,069 USD
£1,629 GBP
View
B+
Retailer 17
-
$2,097 USD
View
Most Expensive
B
Brilliant Earth
8376478A · Oct 28
$4,510 USD
View
17 more retailers have this diamond
Prices start from $452 USDSave up to $4,058 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
3.90ct Emerald
$452 USD