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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 $1,643 NZD
£729 GBP
As of October 30, 2026
Save $11,144 NZD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,787 NZD 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 $1,643 to $12,787, a $11,144 spread on the same certified stone. Frank Darling lists it at $12,787. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,787 NZD|Low: $1,534 NZD|High: $13,165 NZD|Avg: $4,960 NZD|-0.2%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 6$1,534 NZD
Retailer 12$1,643 NZD
Retailer 14$1,902 NZD
Retailer 10$1,934 NZD
Retailer 15$2,198 NZD
Retailer 3$2,426 NZD
Retailer 2$2,612 NZD
Retailer 7$3,678 NZD
Retailer 11$3,707 NZD
Retailer 4$3,815 NZD
Retailer 17$4,627 NZD
Retailer 16$6,449 NZD
Retailer 9$6,598 NZD
Retailer 5$6,620 NZD
Retailer 8$8,486 NZD
Retailer 13$11,941 NZD
Frank Darling$12,787 NZD

11 data points across 17 retailers

12 retailers$1,643 NZD to $12,787 NZD

A
Cheapest Retailer
-
$1,643 NZD
£729 GBP
A
Retailer 2
-
$1,902 NZD
$1,072 USD
View
A
Retailer 3
-
$1,934 NZD
$1,090 USD
View
B+
Retailer 4
-
$2,198 NZD
$1,239 USD
View
Retailer 5
-
$2,426 NZD
$1,367 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$2,612 NZD
€1,402 EUR
View
A
Retailer 7
-
$3,707 NZD
$2,089 USD
View
Retailer 8
-
$3,815 NZD
$2,150 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$4,627 NZD
$2,608 USD
View
B
Retailer 10
-
$6,449 NZD
£2,862 GBP
View
B
Retailer 11
-
$11,941 NZD
$6,730 USD
View
Most Expensive
B
Frank Darling
910739BD · Oct 31
$12,787 NZD
$7,207 USD
View
11 more retailers have this diamond
Prices start from $1,643 NZDSave up to $11,144 NZD

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
$1,643 NZD