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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 $643 AUD
$452 USD
As of October 30, 2026
Save $4,311 AUD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,954 AUD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $643 to $4,954, a $4,311 spread on the same certified stone. Brilliant Earth lists it at $4,954. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,954 AUD|Low: $618 AUD|High: $6,933 AUD|Avg: $1,940 AUD|-28.5%
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
October 30, 2026
Retailer 8$643 AUD
Retailer 17$720 AUD
Retailer 4$797 AUD
Retailer 19$797 AUD
Retailer 9$821 AUD
Retailer 5$1,248 AUD
Retailer 16$1,253 AUD
Retailer 13$1,257 AUD
Retailer 2$1,320 AUD
Retailer 3$1,378 AUD
Retailer 12$1,685 AUD
Retailer 15$1,732 AUD
Retailer 11$2,060 AUD
Retailer 18$2,144 AUD
Retailer 7$2,564 AUD
Retailer 6$2,610 AUD
Retailer 14$2,945 AUD
Retailer 10$2,985 AUD
Brilliant Earth$4,954 AUD

39 data points across 19 retailers

18 retailers$643 AUD to $4,954 AUD

A
Cheapest Retailer
-
$643 AUD
$452 USD
A
Retailer 2
-
$720 AUD
$506 USD
View
A
Retailer 3
-
$797 AUD
$560 USD
View
Retailer 4
-
$797 AUD
$560 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$1,248 AUD
$877 USD
View
A
Retailer 6
-
$1,253 AUD
$880 USD
View
A
Retailer 7
-
$1,257 AUD
€841 EUR
View
A
Retailer 8
-
$1,320 AUD
£730 GBP
View
A
Retailer 9
-
$1,378 AUD
$968 USD
View
A
Retailer 10
-
$1,685 AUD
View
A
Retailer 11
-
$1,732 AUD
ZAR 19,650 ZAR
View
A
Retailer 12
-
$2,060 AUD
$1,447 USD
View
B+
Retailer 13
-
$2,144 AUD
$1,506 USD
View
B+
Retailer 14
-
$2,564 AUD
$1,801 USD
View
B+
Retailer 15
-
$2,610 AUD
$1,833 USD
View
B+
Retailer 16
-
$2,945 AUD
£1,629 GBP
View
B+
Retailer 17
-
$2,985 AUD
$2,097 USD
View
Most Expensive
B
Brilliant Earth
8376478A · Oct 30
$4,954 AUD
$3,480 USD
View
17 more retailers have this diamond
Prices start from $643 AUDSave up to $4,311 AUD

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
$643 AUD