Emerald|Lab Grown|IGI

3.90ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG647438289

Shape and cutting style on the report: Emerald cut

Certificate IGI LG647438289

Diamond specifications and retailer prices

From $420 USD
As of October 27, 2026
Save $4,520 USD (91%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,940 USD at Kay Jewelers · As of October 26, 2026
View at Kay Jewelers

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 LG647438289 or 647438289. Listed at 12 retailers as of October 26, 2026, with prices from $420 to $4,940, a $4,520 spread on the same certified stone. Kay Jewelers lists it at $4,940. 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 angle37.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647438289
Dimensions10.59 × 7.35 × 4.99 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.59 mm7.35 mm3.90 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647438289
Side View
Table 65.0%Crown 37.6°Girdle: MediumPavilion 40.9°Culet: LNGDepth 67.9%

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 27
Current: $4,940 USD|Low: $420 USD|High: $4,940 USD|Avg: $1,885 USD
Kay Jewelers
Retailer 2
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 28, 2026
Retailer 14$420 USD
Retailer 11$470 USD
Retailer 4$524 USD
Retailer 16$822 USD
Retailer 2$825 USD
Retailer 8$947 USD
Retailer 7$1,082 USD
Retailer 12$1,223 USD
Retailer 13$1,461 USD
Retailer 5$1,562 USD
Retailer 17$1,848 USD
Retailer 3$2,060 USD
Retailer 10$2,115 USD
Retailer 6$2,132 USD
Retailer 9$3,099 USD
Retailer 15$3,730 USD
Kay Jewelers$4,940 USD

23 data points across 17 retailers

12 retailers$420 USD to $4,940 USD

A
Cheapest Retailer
-
$420 USD
A
Retailer 2
-
$470 USD
View
A
Retailer 3
-
$524 USD
View
Final sale: no returns
B+
Retailer 4
-
$822 USD
View
A
Retailer 5
-
$825 USD
View
Retailer 6
-
$1,223 USD
A$1,882 AUD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$1,461 USD
View
B+
Retailer 8
-
$1,848 USD
View
B+
Retailer 9
-
$2,060 USD
View
B+
Retailer 10
-
$2,115 USD
£1,665 GBP
View
B
Retailer 11
-
$3,730 USD
View
Most Expensive
B
Kay Jewelers
252146003 · Oct 26
$4,940 USD
View
11 more retailers have this diamond
Prices start from $420 USDSave up to $4,520 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
$420 USD