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Oval|Lab Grown|IGI

4.78ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG839697977

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839697977

Diamond specifications and retailer prices

From $526 USD
As of October 29, 2026
Save $2,451 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,075 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.78ct lab-grown oval diamond

This 4.78ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839697977 or 839697977. Listed at 12 retailers as of October 29, 2026, with a 466% 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
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839697977
Dimensions13.66 × 9.38 × 5.81 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.66 mm9.38 mm4.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839697977
Side View
Table 61.0%Crown 36.1°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,075 USD|Low: $526 USD|High: $3,192 USD|Avg: $1,848 USD|-1.0%
Rare Carat
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 30, 2026
Retailer 11$526 USD
Retailer 9$589 USD
Retailer 2$619 USD
Retailer 12$989 USD
Retailer 5$1,077 USD
Retailer 6$1,307 USD
Retailer 10$1,683 USD
Retailer 8$1,685 USD
Retailer 13$1,715 USD
Retailer 3$2,282 USD
Retailer 7$2,737 USD
Retailer 4$2,977 USD
Rare Carat$3,075 USD

23 data points across 13 retailers

12 retailers$526 USD to $2,977 USD

A
Cheapest Retailer
-
$526 USD
A
Retailer 2
-
$589 USD
View
A
Retailer 3
-
$619 USD
£487 GBP
View
A
Retailer 4
-
$1,077 USD
View
A
Retailer 5
-
$1,307 USD
A$2,010 AUD
View
B+
Retailer 6
-
$1,683 USD
View
B+
Retailer 7
-
$1,685 USD
View
B+
Retailer 8
-
$1,715 USD
View
B+
Retailer 9
-
$2,282 USD
View
B+
Retailer 10
-
$2,737 USD
£2,155 GBP
View
B
Retailer 11
-
$2,977 USD
View
Most Expensive
Rare Carat
LGOV40-162305 · Oct 21
$3,075 USD
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from $526 USDSave up to $2,451 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
$526 USD