CaratHunter
Plans
Emerald|Lab Grown|IGI

3.18ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG604303319

Shape and cutting style on the report: Emerald cut

Certificate IGI LG604303319

Diamond specifications and retailer prices

From $660 USD
As of October 29, 2026
Save $4,330 USD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,990 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.18ct lab-grown emerald diamond

This 3.18ct 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 LG604303319 or 604303319. Listed at 18 retailers as of October 29, 2026, with prices from $660 to $4,990, a $4,330 spread on the same certified stone. Brilliant Earth lists it at $4,990. 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

3.18
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604303319
Dimensions9.87 × 6.92 × 4.50 mm
L/W Ratio1.43
Culet sizeLarge
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
9.87 mm6.92 mm3.18 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604303319
Side View
Table 62.0%Crown 32.4°Girdle: MediumPavilion 38.9°Culet: LargeDepth 65.0%

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 29
Current: $4,990 USD|Low: $472 USD|High: $5,280 USD|Avg: $1,974 USD|-5.5%
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
October 29, 2026
Retailer 3$660 USD
Retailer 14$1,124 USD
Retailer 10$1,125 USD
Retailer 2$1,143 USD
Retailer 5$1,187 USD
Retailer 7$1,225 USD
Retailer 11$1,554 USD
Retailer 9$1,588 USD
Retailer 12$1,814 USD
Retailer 4$2,134 USD
Retailer 13$2,333 USD
Retailer 6$2,833 USD
Retailer 8$3,192 USD
Brilliant Earth$4,990 USD

42 data points across 14 retailers

18 retailers$660 USD to $4,990 USD

Retailer 1
-
$566 USD
Price last confirmed 21 days ago
Retailer 2
-
$660 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$660 USD
View
Final sale: no returns
Retailer 4
-
$731 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$1,124 USD
View
A
Retailer 6
-
$1,125 USD
View
A
Retailer 7
-
$1,143 USD
£900 GBP
View
A
Retailer 8
-
$1,187 USD
View
A
Retailer 9
-
$1,225 USD
€1,167 EUR
View
Retailer 10
-
$1,554 USD
A$2,390 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$1,588 USD
ZAR 25,653 ZAR
View
B+
Retailer 12
-
$1,814 USD
View
Retailer 13
-
$1,923 USD
View
Price last confirmed 19 days ago
B
Retailer 14
-
$2,134 USD
£1,680 GBP
View
B
Retailer 15
-
$2,333 USD
View
B
Retailer 16
-
$2,833 USD
View
B
Retailer 17
-
$3,192 USD
£2,513 GBP
View
Most Expensive
B
Brilliant Earth
15178151A · Oct 29
$4,990 USD
View
17 more retailers have this diamond
Prices start from $660 USDSave up to $4,330 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
3.18ct Emerald
$660 USD