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Oval|Lab Grown|IGI

3.98ct D VS1 Oval Lab Grown Diamond

EX • D/VS1 • IGI LG809665311

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG809665311

Diamond specifications and retailer prices

From $1,214 NZD
$684 USD
As of October 31, 2026
Save $8,226 NZD (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $9,439 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG809665311 or 809665311. Listed at 5 retailers as of October 28, 2026, with prices from $1,214 to $9,439, a $8,226 spread on the same certified stone. Brilliant Earth lists it at $9,439. 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 angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809665311
Dimensions12.66 × 8.79 × 5.57 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.66 mm8.79 mm3.98 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809665311
Side View
Table 60.0%Crown 34.8°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $9,439 NZD|Low: $843 NZD|High: $11,586 NZD|Avg: $3,608 NZD|-18.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 5$843 NZD
Retailer 6$1,214 NZD
Retailer 8$1,345 NZD
Retailer 10$1,659 NZD
Retailer 2$2,093 NZD
Retailer 4$2,150 NZD
Retailer 9$3,313 NZD
Retailer 11$3,808 NZD
Retailer 13$3,894 NZD
Retailer 12$4,640 NZD
Retailer 3$4,685 NZD
Retailer 7$6,716 NZD
Brilliant Earth$9,439 NZD

36 data points across 13 retailers

5 retailers$1,214 NZD to $9,439 NZD

A
Cheapest Retailer
-
$1,214 NZD
$684 USD
Final sale: no returns
A
Retailer 2
-
$2,093 NZD
£929 GBP
View
Retailer 3
-
$3,313 NZD
$1,867 USD
View
Price last confirmed 46 days ago
Retailer 4
-
$6,716 NZD
$3,785 USD
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
20320420A · Oct 28
$9,439 NZD
$5,320 USD
View
4 more retailers have this diamond
Prices start from $1,214 NZDSave up to $8,226 NZD

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
$1,214 NZD