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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 $672 SGD
$526 USD
As of October 29, 2026
Save $3,133 SGD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,931 SGD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,931 SGD|Low: $672 SGD|High: $4,081 SGD|Avg: $2,346 SGD|-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 31, 2026
Retailer 12$672 SGD
Retailer 10$753 SGD
Retailer 6$791 SGD
Retailer 2$1,268 SGD
Retailer 5$1,377 SGD
Retailer 7$1,670 SGD
Retailer 11$2,152 SGD
Retailer 9$2,154 SGD
Retailer 13$2,192 SGD
Retailer 3$2,917 SGD
Retailer 8$3,499 SGD
Retailer 4$3,806 SGD
Rare Carat$3,931 SGD

24 data points across 13 retailers

13 retailers$672 SGD to $3,806 SGD

A
Cheapest Retailer
-
$672 SGD
$526 USD
A
Retailer 2
-
$753 SGD
$589 USD
View
A
Retailer 3
-
$791 SGD
£487 GBP
View
A
Retailer 4
-
$1,268 SGD
€945 EUR
View
A
Retailer 5
-
$1,377 SGD
$1,077 USD
View
A
Retailer 6
-
$1,670 SGD
A$2,010 AUD
View
B+
Retailer 7
-
$2,152 SGD
$1,683 USD
View
B+
Retailer 8
-
$2,154 SGD
$1,685 USD
View
B+
Retailer 9
-
$2,192 SGD
$1,715 USD
View
B+
Retailer 10
-
$2,917 SGD
$2,282 USD
View
B+
Retailer 11
-
$3,499 SGD
£2,155 GBP
View
B
Retailer 12
-
$3,806 SGD
$2,977 USD
View
Most Expensive
Rare Carat
LGOV40-162305 · Oct 21
$3,931 SGD
$3,075 USD
View
Price last confirmed 10 days ago
12 more retailers have this diamond
Prices start from $672 SGDSave up to $3,133 SGD

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
$672 SGD