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Oval|Lab Grown|IGI

4.77ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG840638659

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840638659

Diamond specifications and retailer prices

From $1,505 SGD
HK$9,200 HKD
As of October 30, 2026
Save $3,331 SGD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,082 SGD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.77ct lab-grown oval diamond

This 4.77ct 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 LG840638659 or 840638659. Listed at 9 retailers as of October 25, 2026, with a 221% 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

4.77
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840638659
Dimensions13.94 × 9.40 × 5.56 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.94 mm9.40 mm4.77 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840638659
Side View
Table 65.0%Crown 34.4°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 59.1%

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: $7,082 SGD|Low: $1,505 SGD|High: $7,153 SGD|Avg: $3,466 SGD|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$1,505 SGD
Retailer 7$1,769 SGD
Retailer 2$1,982 SGD
Retailer 5$2,063 SGD
Retailer 8$2,070 SGD
Retailer 9$3,513 SGD
Retailer 10$4,471 SGD
Retailer 6$4,675 SGD
Retailer 3$4,837 SGD
Rare Carat$7,082 SGD

22 data points across 10 retailers

9 retailers$1,505 SGD to $4,837 SGD

A
Cheapest Retailer
-
$1,505 SGD
HK$9,200 HKD
A
Retailer 2
-
$1,769 SGD
$1,384 USD
View
A
Retailer 3
-
$1,982 SGD
£1,221 GBP
View
A
Retailer 4
-
$2,070 SGD
$1,619 USD
View
B+
Retailer 5
-
$3,513 SGD
$2,748 USD
View
B
Retailer 6
-
$4,471 SGD
$3,497 USD
View
B
Retailer 7
-
$4,675 SGD
$3,657 USD
View
B
Retailer 8
-
$4,837 SGD
£2,979 GBP
View
Most Expensive
Rare Carat
KI6596386KF840 · Oct 21
$7,082 SGD
$5,540 USD
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from $1,505 SGDSave up to $3,331 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
4.77ct Oval
$1,505 SGD