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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 $933 NZD
$526 USD
As of October 29, 2026
Save $4,349 NZD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,456 NZD 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 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,456 NZD|Low: $933 NZD|High: $5,664 NZD|Avg: $3,236 NZD|-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$933 NZD
Retailer 10$1,045 NZD
Retailer 6$1,095 NZD
Retailer 7$1,761 NZD
Retailer 5$1,911 NZD
Retailer 8$2,318 NZD
Retailer 11$2,986 NZD
Retailer 9$2,990 NZD
Retailer 13$3,043 NZD
Retailer 3$4,049 NZD
Retailer 2$4,829 NZD
Retailer 4$5,282 NZD
Rare Carat$5,456 NZD

25 data points across 13 retailers

13 retailers$933 NZD to $5,282 NZD

A
Cheapest Retailer
-
$933 NZD
$526 USD
A
Retailer 2
-
$1,045 NZD
$589 USD
View
A
Retailer 3
-
$1,095 NZD
£486 GBP
View
A
Retailer 4
-
$1,761 NZD
€945 EUR
View
A
Retailer 5
-
$1,911 NZD
$1,077 USD
View
A
Retailer 6
-
$2,318 NZD
A$2,010 AUD
View
B+
Retailer 7
-
$2,986 NZD
$1,683 USD
View
B+
Retailer 8
-
$2,990 NZD
$1,685 USD
View
B+
Retailer 9
-
$3,043 NZD
$1,715 USD
View
B+
Retailer 10
-
$4,049 NZD
$2,282 USD
View
B+
Retailer 11
-
$4,829 NZD
£2,143 GBP
View
B
Retailer 12
-
$5,282 NZD
$2,977 USD
View
Most Expensive
Rare Carat
LGOV40-162305 · Oct 21
$5,456 NZD
$3,075 USD
View
Price last confirmed 11 days ago
12 more retailers have this diamond
Prices start from $933 NZDSave up to $4,349 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
$933 NZD