Oval|Lab Grown|IGI

4.18ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG818695510

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818695510

Diamond specifications and retailer prices

From $614 USD
As of October 29, 2026
Save $4,836 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,830 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 4.18ct lab-grown oval diamond

This 4.18ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818695510 or 818695510. Listed at 16 retailers as of October 29, 2026, with a 788% 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

4.18
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818695510
Dimensions12.46 × 9.13 × 5.72 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.46 mm9.13 mm4.18 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818695510
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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 29
Current: $6,830 USD|Low: $614 USD|High: $6,950 USD|Avg: $2,283 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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 3$614 USD
Retailer 14$688 USD
Retailer 11$880 USD
Retailer 6$995 USD
Retailer 15$1,008 USD
Retailer 13$1,218 USD
Retailer 5$1,271 USD
Retailer 12$1,845 USD
Retailer 4$1,890 USD
Retailer 7$1,894 USD
Retailer 8$2,211 USD
Retailer 2$2,738 USD
Retailer 10$3,330 USD
Retailer 9$3,798 USD
Retailer 16$5,450 USD
Brilliant Earth$6,830 USD

35 data points across 16 retailers

16 retailers$614 USD to $5,450 USD

A
Cheapest Retailer
-
$614 USD
A
Retailer 2
-
$688 USD
View
A
Retailer 3
-
$880 USD
View
A
Retailer 4
-
$995 USD
View
B+
Retailer 5
-
$1,008 USD
View
A
Retailer 6
-
$1,218 USD
€1,160 EUR
View
A
Retailer 7
-
$1,271 USD
View
B+
Retailer 8
-
$1,845 USD
A$2,838 AUD
View
B+
Retailer 9
-
$1,890 USD
View
B+
Retailer 10
-
$1,894 USD
View
B+
Retailer 11
-
$2,211 USD
View
B
Retailer 12
-
$2,738 USD
A$4,213 AUD
View
B
Retailer 13
-
$3,330 USD
£2,622 GBP
View
B
Retailer 14
-
$3,798 USD
View
B
Retailer 15
-
$5,450 USD
View
Most Expensive
Brilliant Earth
21687183A · Oct 23
$6,830 USD
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from $614 USDSave up to $4,836 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
4.18ct Oval
$614 USD