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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 $749 AUD
$526 USD
As of October 29, 2026
Save $3,489 AUD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,378 AUD 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 12 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: $4,378 AUD|Low: $749 AUD|High: $4,544 AUD|Avg: $2,631 AUD|-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
October 30, 2026
Retailer 11$749 AUD
Retailer 9$839 AUD
Retailer 2$881 AUD
Retailer 12$1,408 AUD
Retailer 5$1,533 AUD
Retailer 6$1,860 AUD
Retailer 10$2,396 AUD
Retailer 8$2,399 AUD
Retailer 13$2,441 AUD
Retailer 3$3,249 AUD
Retailer 7$3,896 AUD
Retailer 4$4,238 AUD
Rare Carat$4,378 AUD

23 data points across 13 retailers

12 retailers$749 AUD to $4,238 AUD

A
Cheapest Retailer
-
$749 AUD
$526 USD
A
Retailer 2
-
$839 AUD
$589 USD
View
A
Retailer 3
-
$881 AUD
£487 GBP
View
A
Retailer 4
-
$1,533 AUD
$1,077 USD
View
A
Retailer 5
-
$1,860 AUD
View
B+
Retailer 6
-
$2,396 AUD
$1,683 USD
View
B+
Retailer 7
-
$2,399 AUD
$1,685 USD
View
B+
Retailer 8
-
$2,441 AUD
$1,715 USD
View
B+
Retailer 9
-
$3,249 AUD
$2,282 USD
View
B+
Retailer 10
-
$3,896 AUD
£2,155 GBP
View
B
Retailer 11
-
$4,238 AUD
$2,977 USD
View
Most Expensive
Rare Carat
LGOV40-162305 · Oct 21
$4,378 AUD
$3,075 USD
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from $749 AUDSave up to $3,489 AUD

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
$749 AUD