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Oval|Lab Grown|IGI

3.98ct D VS1 Oval Lab Grown Diamond

EX • D/VS1 • IGI LG784683568

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784683568

Diamond specifications and retailer prices

From $874 SGD
$684 USD
As of October 31, 2026
Save $6,437 SGD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,311 SGD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 3.98ct lab-grown oval diamond

This 3.98ct 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 LG784683568 or 784683568. Listed at 5 retailers as of October 31, 2026, with prices from $874 to $7,311, a $6,437 spread on the same certified stone. Helzberg Diamonds lists it at $7,311. 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

3.98
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784683568
Dimensions12.51 × 8.83 × 5.56 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.51 mm8.83 mm3.98 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784683568
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $7,311 SGD|Low: $666 SGD|High: $7,311 SGD|Avg: $2,431 SGD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 7$874 SGD
Retailer 9$969 SGD
Retailer 12$972 SGD
Retailer 10$1,293 SGD
Retailer 5$1,350 SGD
Retailer 2$1,508 SGD
Retailer 4$1,549 SGD
Retailer 11$2,387 SGD
Retailer 13$2,743 SGD
Retailer 6$2,786 SGD
Retailer 14$3,343 SGD
Retailer 3$3,375 SGD
Retailer 8$4,781 SGD
Helzberg Diamonds$7,311 SGD

40 data points across 14 retailers

5 retailers$874 SGD to $7,311 SGD

A
Cheapest Retailer
-
$874 SGD
$684 USD
Final sale: no returns
A
Retailer 2
-
$1,508 SGD
£929 GBP
View
Retailer 3
-
$2,387 SGD
$1,867 USD
View
Price last confirmed 46 days ago
B
Retailer 4
-
$4,781 SGD
$3,740 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZNOKMOJLMO · Oct 31
$7,311 SGD
$5,719 USD
View
4 more retailers have this diamond
Prices start from $874 SGDSave up to $6,437 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
3.98ct Oval
$874 SGD