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Emerald|Lab Grown|IGI

3.12ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG592344378

Shape and cutting style on the report: Emerald cut

Certificate IGI LG592344378

Diamond specifications and retailer prices

From $579 USD
As of October 30, 2026
Save $3,561 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,140 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.12ct lab-grown emerald diamond

This 3.12ct 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 LG592344378 or 592344378. Listed at 20 retailers as of October 29, 2026, with prices from $579 to $4,140, a $3,561 spread on the same certified stone. Brilliant Earth lists it at $4,140. 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

3.12
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592344378
Dimensions10.04 × 7.00 × 4.65 mm
L/W Ratio1.43
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
10.04 mm7.00 mm3.12 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592344378
Side View
Table 62.0%Crown 33°Girdle: MediumPavilion 40.3°Culet: LNGDepth 66.4%

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: $4,140 USD|Low: $547 USD|High: $4,140 USD|Avg: $1,498 USD
Brilliant Earth
Retailer 2
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Retailer 19
October 30, 2026
Retailer 17$579 USD
Retailer 5$648 USD
Retailer 9$648 USD
Retailer 4$718 USD
Retailer 18$718 USD
Retailer 15$850 USD
Retailer 8$995 USD
Retailer 19$1,104 USD
Retailer 12$1,122 USD
Retailer 6$1,148 USD
Retailer 2$1,516 USD
Retailer 14$1,559 USD
Retailer 16$1,782 USD
Retailer 3$1,888 USD
Retailer 7$2,088 USD
Retailer 11$2,325 USD
Retailer 10$2,403 USD
Retailer 13$3,133 USD
Brilliant Earth$4,140 USD

43 data points across 19 retailers

20 retailers$579 USD to $4,140 USD

A
Cheapest Retailer
-
$579 USD
A
Retailer 2
-
$648 USD
View
Final sale: no returns
A
Retailer 3
-
$648 USD
View
A
Retailer 4
-
$718 USD
View
Retailer 5
-
$718 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$850 USD
View
A
Retailer 7
-
$995 USD
View
A
Retailer 8
-
$1,104 USD
View
A
Retailer 9
-
$1,122 USD
£883 GBP
View
A
Retailer 10
-
$1,148 USD
View
B+
Retailer 11
-
$1,516 USD
A$2,333 AUD
View
B+
Retailer 12
-
$1,559 USD
ZAR 25,192 ZAR
View
B
Retailer 13
-
$1,782 USD
View
B+
Retailer 14
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$1,888 USD
View
B
Retailer 15
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$2,088 USD
£1,644 GBP
View
B
Retailer 16
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$2,325 USD
View
B
Retailer 17
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$2,403 USD
View
B
Retailer 18
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$2,470 USD
HK$19,300 HKD
View
B
Retailer 19
-
$3,133 USD
£2,467 GBP
View
Most Expensive
B
Brilliant Earth
17980515A · Oct 29
$4,140 USD
View
19 more retailers have this diamond
Prices start from $579 USDSave up to $3,561 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
3.12ct Emerald
$579 USD