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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 €471 EUR
$526 USD
As of November 1, 2026
Save €2,194 EUR (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,752 EUR 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 13 retailers as of October 31, 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,752 EUR|Low: €471 EUR|High: €2,857 EUR|Avg: €1,632 EUR|-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
November 1, 2026
Retailer 12€471 EUR
Retailer 10€527 EUR
Retailer 6€552 EUR
Retailer 7€888 EUR
Retailer 5€964 EUR
Retailer 8€1,169 EUR
Retailer 11€1,506 EUR
Retailer 9€1,508 EUR
Retailer 13€1,535 EUR
Retailer 3€2,043 EUR
Retailer 2€2,436 EUR
Retailer 4€2,665 EUR
Rare Carat€2,752 EUR

25 data points across 13 retailers

13 retailers€471 EUR to €2,665 EUR

A
Cheapest Retailer
-
€471 EUR
$526 USD
A
Retailer 2
-
€527 EUR
$589 USD
View
A
Retailer 3
-
€552 EUR
£486 GBP
View
A
Retailer 4
-
€888 EUR
View
A
Retailer 5
-
€964 EUR
$1,077 USD
View
A
Retailer 6
-
€1,169 EUR
A$2,010 AUD
View
B+
Retailer 7
-
€1,506 EUR
$1,683 USD
View
B+
Retailer 8
-
€1,508 EUR
$1,685 USD
View
B+
Retailer 9
-
€1,535 EUR
$1,715 USD
View
B+
Retailer 10
-
€2,043 EUR
$2,282 USD
View
B+
Retailer 11
-
€2,436 EUR
£2,143 GBP
View
B
Retailer 12
-
€2,665 EUR
$2,977 USD
View
Most Expensive
Rare Carat
LGOV40-162305 · Oct 21
€2,752 EUR
$3,075 USD
View
Price last confirmed 11 days ago
12 more retailers have this diamond
Prices start from €471 EURSave up to €2,194 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
4.78ct Oval
€471 EUR