Emerald|Lab Grown|IGI

18.09ct F VVS2 Emerald Lab Grown Diamond

ID • F/VVS2 • IGI LG845670138

Shape and cutting style on the report: Emerald cut

Certificate IGI LG845670138

Diamond specifications and retailer prices

From $4,920 USD
As of October 31, 2026
Save $18,720 USD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $37,160 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 18.09ct lab-grown emerald diamond

This 18.09ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845670138 or 845670138. Listed at 13 retailers as of October 29, 2026, with a 380% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

18.09
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845670138
Dimensions18.14 × 12.20 × 8.13 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.14 mm12.20 mm18.09 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845670138
Side View
Table 69.0%Crown 39.8°Girdle: Slightly ThickPavilion 40.6°Culet: LargeDepth 66.6%

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 31
Current: $37,160 USD|Low: $4,872 USD|High: $3,849,034 USD|Avg: $1,395,882 USD
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
October 31, 2026
Retailer 2$4,872 USD
Retailer 9$4,920 USD
Retailer 7$5,522 USD
Retailer 6$6,088 USD
Retailer 8$6,304 USD
Retailer 11$6,340 USD
Retailer 12$13,536 USD
Retailer 3$17,336 USD
Retailer 13$19,189 USD
Retailer 10$22,192 USD
Retailer 4$23,640 USD
Brilliant Earth$37,160 USD
Retailer 5$3,846,230 USD

5 data points across 13 retailers

13 retailers$4,920 USD to $23,640 USD

A
Cheapest Retailer
-
$4,920 USD
B+
Retailer 2
-
$6,304 USD
£4,964 GBP
View
B+
Retailer 3
-
$6,340 USD
View
B
Retailer 4
-
$13,536 USD
View
B
Retailer 5
-
$17,336 USD
View
B
Retailer 6
-
$19,189 USD
View
B
Retailer 7
-
$22,192 USD
View
B
Retailer 8
-
$23,640 USD
ZAR 381,902 ZAR
View
Most Expensive
Brilliant Earth
22295256A · Oct 31
$37,160 USD
View
Price under review
8 more retailers have this diamond
Prices start from $4,920 USDSave up to $18,720 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
18.09ct Emerald
$4,920 USD