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Oval|Lab Grown|IGI

4.78ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG787641401

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787641401

Diamond specifications and retailer prices

From €829 EUR
£729 GBP
As of October 30, 2026
Save €5,622 EUR (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €6,451 EUR at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 4.78ct lab-grown oval diamond

This 4.78ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787641401 or 787641401. Listed at 12 retailers as of October 30, 2026, with prices from €829 to €6,451, a €5,622 spread on the same certified stone. Frank Darling lists it at €6,451. 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
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787641401
Dimensions14.04 × 9.63 × 5.71 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.04 mm9.63 mm4.78 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787641401
Side View
Table 62.0%Crown 34.4°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 59.3%

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 30
Current: €6,451 EUR|Low: €774 EUR|High: €6,642 EUR|Avg: €2,502 EUR|-0.2%
Frank Darling
Retailer 2
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Retailer 12
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Retailer 17
October 31, 2026
Retailer 6€774 EUR
Retailer 12€829 EUR
Retailer 14€960 EUR
Retailer 10€976 EUR
Retailer 15€1,109 EUR
Retailer 3€1,224 EUR
Retailer 2€1,318 EUR
Retailer 7€1,855 EUR
Retailer 11€1,870 EUR
Retailer 4€1,924 EUR
Retailer 17€2,334 EUR
Retailer 16€3,253 EUR
Retailer 9€3,328 EUR
Retailer 5€3,340 EUR
Retailer 8€4,281 EUR
Retailer 13€6,024 EUR
Frank Darling€6,451 EUR

11 data points across 17 retailers

12 retailers€829 EUR to €6,451 EUR

A
Cheapest Retailer
-
€829 EUR
£729 GBP
A
Retailer 2
-
€960 EUR
$1,072 USD
View
A
Retailer 3
-
€976 EUR
$1,090 USD
View
B+
Retailer 4
-
€1,109 EUR
$1,239 USD
View
Retailer 5
-
€1,224 EUR
$1,367 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€1,318 EUR
View
A
Retailer 7
-
€1,870 EUR
$2,089 USD
View
Retailer 8
-
€1,924 EUR
$2,150 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€2,334 EUR
$2,608 USD
View
B
Retailer 10
-
€3,253 EUR
£2,862 GBP
View
B
Retailer 11
-
€6,024 EUR
$6,730 USD
View
Most Expensive
B
Frank Darling
910739BD · Oct 31
€6,451 EUR
$7,207 USD
View
11 more retailers have this diamond
Prices start from €829 EURSave up to €5,622 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
€829 EUR