Emerald|Lab Grown|IGI

4.51ct F VVS1 Emerald Lab Grown Diamond

ID • F/VVS1 • IGI LG845617018

Shape and cutting style on the report: Emerald cut

Certificate IGI LG845617018

Diamond specifications and retailer prices

From $964 USD
As of October 27, 2026
Save $6,436 USD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,400 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.51ct lab-grown emerald diamond

This 4.51ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845617018 or 845617018. Listed at 21 retailers as of October 27, 2026, with prices from $964 to $7,400, a $6,436 spread on the same certified stone. Brilliant Earth lists it at $7,400. 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

4.51
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845617018
Dimensions11.47 × 7.56 × 5.06 mm
L/W Ratio1.52
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm7.56 mm4.51 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845617018
Side View
Table 67.0%Crown 40.8°Girdle: Slightly ThickPavilion 42.3°Culet: LargeDepth 66.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $7,400 USD|Low: $964 USD|High: $7,810 USD|Avg: $2,458 USD|-5.2%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 21
November 1, 2026
Retailer 10$964 USD
Retailer 14$1,071 USD
Retailer 20$1,071 USD
Retailer 11$1,142 USD
Retailer 13$1,285 USD
Retailer 2$1,512 USD
Retailer 5$1,595 USD
Retailer 15$1,698 USD
Retailer 6$1,698 USD
Retailer 12$2,140 USD
Retailer 7$2,372 USD
Retailer 21$2,379 USD
Retailer 4$2,401 USD
Retailer 18$2,930 USD
Retailer 17$3,063 USD
Retailer 9$3,324 USD
Retailer 3$3,728 USD
Retailer 8$3,799 USD
Retailer 19$3,865 USD
Retailer 16$4,000 USD
Brilliant Earth$7,400 USD

13 data points across 21 retailers

21 retailers$964 USD to $7,400 USD

A
Cheapest Retailer
-
$964 USD
Retailer 2
-
$1,071 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,071 USD
View
Final sale: no returns
A
Retailer 4
-
$1,142 USD
View
A
Retailer 5
-
$1,285 USD
View
A
Retailer 6
-
$1,512 USD
View
A
Retailer 7
-
$1,595 USD
View
A
Retailer 8
-
$1,698 USD
£1,337 GBP
View
A
Retailer 9
-
$1,698 USD
€1,617 EUR
View
Retailer 10
-
$2,140 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$2,372 USD
ZAR 38,314 ZAR
View
B+
Retailer 12
-
$2,379 USD
A$3,660 AUD
View
B+
Retailer 13
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$2,401 USD
View
B+
Retailer 14
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$2,930 USD
View
B+
Retailer 15
-
$3,063 USD
£2,412 GBP
View
B+
Retailer 16
-
$3,324 USD
View
B+
Retailer 17
-
$3,728 USD
SGD 5,038 SGD
View
B+
Retailer 18
-
$3,799 USD
£2,991 GBP
View
B+
Retailer 19
-
$3,865 USD
View
B+
Retailer 20
-
$4,000 USD
View
Most Expensive
B
Brilliant Earth
22284327A · Oct 31
$7,400 USD
View
20 more retailers have this diamond
Prices start from $964 USDSave up to $6,436 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
4.51ct Emerald
$964 USD