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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 $974 AUD
$684 USD
As of November 1, 2026
Save $7,168 AUD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,142 AUD 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 $974 to $8,142, a $7,168 spread on the same certified stone. Helzberg Diamonds lists it at $8,142. 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: Nov 1
Current: $8,142 AUD|Low: $974 AUD|High: $8,142 AUD|Avg: $2,715 AUD
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$974 AUD
Retailer 9$1,079 AUD
Retailer 12$1,082 AUD
Retailer 10$1,440 AUD
Retailer 5$1,503 AUD
Retailer 2$1,680 AUD
Retailer 4$1,725 AUD
Retailer 11$2,658 AUD
Retailer 13$3,055 AUD
Retailer 6$3,102 AUD
Retailer 14$3,723 AUD
Retailer 3$3,759 AUD
Retailer 8$5,324 AUD
Helzberg Diamonds$8,142 AUD

39 data points across 14 retailers

5 retailers$974 AUD to $8,142 AUD

A
Cheapest Retailer
-
$974 AUD
$684 USD
Final sale: no returns
A
Retailer 2
-
$1,680 AUD
£929 GBP
View
Retailer 3
-
$2,658 AUD
$1,867 USD
View
Price last confirmed 46 days ago
B
Retailer 4
-
$5,324 AUD
$3,740 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZNOKMOJLMO · Oct 31
$8,142 AUD
$5,719 USD
View
4 more retailers have this diamond
Prices start from $974 AUDSave up to $7,168 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
3.98ct Oval
$974 AUD