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Oval|Lab Grown|IGI

4.90ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG831631806

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831631806

Diamond specifications and retailer prices

From $1,246 SGD
$975 USD
As of October 31, 2026
Save $449 SGD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,724 SGD at Brilliance · As of October 7, 2026
View at Brilliance

About this 4.9ct lab-grown oval diamond

This 4.9ct 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 LG831631806 or 831631806. Listed at 3 retailers as of October 28, 2026, with a 36% 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

4.90
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831631806
Dimensions13.76 × 9.51 × 5.88 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.76 mm9.51 mm4.90 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831631806
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $3,724 SGD|Low: $1,246 SGD|High: $3,724 SGD|Avg: $2,394 SGD
Brilliance
Retailer 2
Retailer 3
October 28, 2026
Retailer 2$1,246 SGD
Retailer 3$1,695 SGD
Brilliance$3,724 SGD

5 data points across 3 retailers

3 retailers$1,246 SGD to $1,695 SGD

A
Cheapest Retailer
-
$1,246 SGD
$975 USD
Final sale: no returns
B+
Retailer 2
-
$1,695 SGD
$1,326 USD
View
Most Expensive
Brilliance
D45798881 · Oct 7
$3,724 SGD
$2,913 USD
View
Price last confirmed 24 days ago
2 more retailers have this diamond
Prices start from $1,246 SGDSave up to $449 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
4.90ct Oval
$1,246 SGD