Oval|Lab Grown|IGI

4.78ct H VVS2 Oval Lab Grown Diamond

EX • H/VVS2 • IGI LG818615105

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818615105

Diamond specifications and retailer prices

From $559 USD
As of October 29, 2026
Save $440 USD (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,685 USD at Friendly Diamonds · As of September 16, 2026
View at Friendly Diamonds

About this 4.78ct lab-grown oval diamond

This 4.78ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818615105 or 818615105. Listed at 3 retailers as of October 29, 2026, with a 79% 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

4.78
Carat
H
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818615105
Dimensions13.47 × 9.48 × 5.86 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.47 mm9.48 mm4.78 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818615105
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,685 USD|Low: $559 USD|High: $2,285 USD|Avg: $1,496 USD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2$559 USD
Retailer 3$999 USD
Retailer 5$1,061 USD
Retailer 4$1,225 USD
Friendly Diamonds$1,685 USD
Retailer 6$1,926 USD
Retailer 7$2,285 USD

36 data points across 7 retailers

3 retailers$559 USD to $999 USD

A
Cheapest Retailer
-
$559 USD
Final sale: no returns
A
Retailer 2
-
$999 USD
£787 GBP
View
Most Expensive
Friendly Diamonds
5859624 · Sep 16
$1,685 USD
View
Price last confirmed 43 days ago
2 more retailers have this diamond
Prices start from $559 USDSave up to $440 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
4.78ct Oval
$559 USD