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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 $926 USD
£729 GBP
As of October 30, 2026
Save $6,281 USD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,207 USD at Frank Darling · As of October 29, 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 29, 2026, with prices from $926 to $7,207, a $6,281 spread on the same certified stone. Frank Darling lists it at $7,207. 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: $7,207 USD|Low: $865 USD|High: $7,420 USD|Avg: $2,797 USD|-0.2%
Frank Darling
Retailer 2
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Retailer 5
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 30, 2026
Retailer 6$865 USD
Retailer 2$926 USD
Retailer 11$1,072 USD
Retailer 13$1,210 USD
Retailer 12$1,239 USD
Retailer 3$1,367 USD
Retailer 15$1,625 USD
Retailer 7$2,073 USD
Retailer 4$2,150 USD
Retailer 14$2,229 USD
Retailer 17$2,608 USD
Retailer 16$3,635 USD
Retailer 9$3,719 USD
Retailer 5$3,731 USD
Retailer 8$4,783 USD
Retailer 10$6,730 USD
Frank Darling$7,207 USD

10 data points across 17 retailers

12 retailers$926 USD to $7,207 USD

A
Cheapest Retailer
-
$926 USD
£729 GBP
A
Retailer 2
-
$1,072 USD
View
A
Retailer 3
-
$1,210 USD
View
B+
Retailer 4
-
$1,239 USD
View
A
Retailer 5
-
$1,367 USD
View
A
Retailer 6
-
$1,625 USD
€1,548 EUR
View
B+
Retailer 7
-
$2,150 USD
View
B+
Retailer 8
-
$2,229 USD
View
B+
Retailer 9
-
$2,608 USD
View
B
Retailer 10
-
$3,635 USD
£2,862 GBP
View
B
Retailer 11
-
$6,730 USD
View
Most Expensive
B
Frank Darling
910739BD · Oct 29
$7,207 USD
View
11 more retailers have this diamond
Prices start from $926 USDSave up to $6,281 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
$926 USD