Emerald|Lab Grown|IGI

3.12ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG786681156

Shape and cutting style on the report: Emerald cut

Certificate IGI LG786681156

Diamond specifications and retailer prices

From $320 USD
As of October 30, 2026
Save $2,700 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,020 USD at Brilliant Earth · As of October 30, 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 LG786681156 or 786681156. Listed at 18 retailers as of October 30, 2026, with prices from $320 to $3,020, a $2,700 spread on the same certified stone. Brilliant Earth lists it at $3,020. 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 angle42.5°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786681156
Dimensions9.38 × 6.76 × 4.74 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.38 mm6.76 mm3.12 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786681156
Side View
Table 67.0%Crown 42.5°Girdle: ThickPavilion 42.8°Culet: LargeDepth 70.1%

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 30
Current: $3,020 USD|Low: $307 USD|High: $4,880 USD|Avg: $1,025 USD|-38.1%
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
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Retailer 17
Retailer 18
October 30, 2026
Retailer 13$320 USD
Retailer 6$377 USD
Retailer 16$397 USD
Retailer 5$403 USD
Retailer 4$555 USD
Retailer 11$644 USD
Retailer 15$704 USD
Retailer 12$708 USD
Retailer 10$724 USD
Retailer 18$850 USD
Retailer 3$874 USD
Retailer 8$1,060 USD
Retailer 7$1,181 USD
Retailer 9$1,294 USD
Retailer 14$1,321 USD
Retailer 2$1,526 USD
Retailer 17$1,622 USD
Brilliant Earth$3,020 USD

44 data points across 18 retailers

18 retailers$320 USD to $3,020 USD

A
Cheapest Retailer
-
$320 USD
A
Retailer 2
-
$377 USD
View
A
Retailer 3
-
$397 USD
View
A
Retailer 4
-
$403 USD
View
A
Retailer 5
-
$555 USD
View
B+
Retailer 6
-
$644 USD
View
A
Retailer 7
-
$704 USD
€670 EUR
View
A
Retailer 8
-
$708 USD
£558 GBP
View
A
Retailer 9
-
$724 USD
View
A
Retailer 10
-
$850 USD
A$1,307 AUD
View
A
Retailer 11
-
$874 USD
ZAR 14,119 ZAR
View
A
Retailer 12
-
$1,060 USD
View
A
Retailer 13
-
$1,181 USD
View
B+
Retailer 14
-
$1,294 USD
View
B+
Retailer 15
-
$1,321 USD
View
B+
Retailer 16
-
$1,526 USD
View
B+
Retailer 17
-
$1,622 USD
£1,277 GBP
View
Most Expensive
B
Brilliant Earth
20917966A · Oct 30
$3,020 USD
View
17 more retailers have this diamond
Prices start from $320 USDSave up to $2,700 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
$320 USD