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 €859 EUR
$964 USD
As of October 27, 2026
Save €5,738 EUR (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €6,598 EUR 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 22 retailers as of October 27, 2026, with prices from €859 to €6,598, a €5,738 spread on the same certified stone. Brilliant Earth lists it at €6,598. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: €6,598 EUR|Low: €859 EUR|High: €6,963 EUR|Avg: €2,186 EUR|-5.2%
Brilliant Earth
Retailer 2
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Retailer 19
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Retailer 21
November 2, 2026
Retailer 10€859 EUR
Retailer 14€955 EUR
Retailer 21€955 EUR
Retailer 11€1,018 EUR
Retailer 16€1,146 EUR
Retailer 15€1,348 EUR
Retailer 13€1,418 EUR
Retailer 6€1,514 EUR
Retailer 2€1,526 EUR
Retailer 12€1,908 EUR
Retailer 7€2,115 EUR
Retailer 3€2,121 EUR
Retailer 5€2,141 EUR
Retailer 19€2,612 EUR
Retailer 18€2,731 EUR
Retailer 9€2,964 EUR
Retailer 4€3,324 EUR
Retailer 8€3,387 EUR
Retailer 20€3,446 EUR
Retailer 17€3,566 EUR
Brilliant Earth€6,598 EUR

13 data points across 21 retailers

22 retailers€859 EUR to €6,598 EUR

A
Cheapest Retailer
-
€859 EUR
$964 USD
Retailer 2
-
€955 EUR
$1,071 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
€955 EUR
$1,071 USD
View
Final sale: no returns
Retailer 4
-
€1,018 EUR
$1,142 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€1,146 EUR
$1,285 USD
View
A
Retailer 6
-
€1,348 EUR
$1,512 USD
View
A
Retailer 7
-
€1,418 EUR
$1,590 USD
View
A
Retailer 8
-
€1,514 EUR
View
A
Retailer 9
-
€1,526 EUR
£1,348 GBP
View
Retailer 10
-
€1,908 EUR
$2,140 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
€2,115 EUR
ZAR 38,314 ZAR
View
B+
Retailer 12
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€2,121 EUR
A$3,660 AUD
View
B+
Retailer 13
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€2,141 EUR
$2,401 USD
View
B+
Retailer 14
-
€2,612 EUR
$2,930 USD
View
B+
Retailer 15
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€2,731 EUR
£2,412 GBP
View
B+
Retailer 16
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€2,964 EUR
$3,324 USD
View
B+
Retailer 17
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€3,324 EUR
SGD 5,038 SGD
View
B+
Retailer 18
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€3,387 EUR
£2,991 GBP
View
B+
Retailer 19
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€3,446 EUR
$3,865 USD
View
B+
Retailer 20
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€3,566 EUR
$4,000 USD
View
B
Retailer 21
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€4,944 EUR
$5,545 USD
View
Most Expensive
B
Brilliant Earth
22284327A · Oct 31
€6,598 EUR
$7,400 USD
View
21 more retailers have this diamond
Prices start from €859 EURSave up to €5,738 EUR

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
€859 EUR