Oval|Lab Grown|IGI

3.98ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG816671870

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816671870

Diamond specifications and retailer prices

From $1,332 NZD
$751 USD
As of November 1, 2026
Save $8,405 NZD (86%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,738 NZD at Frank Darling · As of October 31, 2026
View at Frank Darling

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 LG816671870 or 816671870. Listed at 6 retailers as of October 31, 2026, with prices from $1,332 to $9,738, a $8,405 spread on the same certified stone. Frank Darling lists it at $9,738. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816671870
Dimensions12.44 × 9.07 × 5.58 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.44 mm9.07 mm3.98 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816671870
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,738 NZD|Low: $1,332 NZD|High: $10,255 NZD|Avg: $4,590 NZD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$1,332 NZD
Retailer 8$1,341 NZD
Retailer 5$1,828 NZD
Retailer 6$2,771 NZD
Retailer 2$4,127 NZD
Retailer 3$6,299 NZD
Frank Darling$9,738 NZD
Retailer 7$10,255 NZD

21 data points across 8 retailers

6 retailers$1,332 NZD to $9,738 NZD

A
Cheapest Retailer
-
$1,332 NZD
$751 USD
Final sale: no returns
B+
Retailer 2
-
$1,828 NZD
$1,030 USD
View
Retailer 3
-
$2,771 NZD
$1,562 USD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
$4,127 NZD
$2,326 USD
View
B
Retailer 5
-
$6,299 NZD
$3,550 USD
View
Most Expensive
B
Frank Darling
100760217053KD · Oct 31
$9,738 NZD
$5,488 USD
View
5 more retailers have this diamond
Prices start from $1,332 NZDSave up to $8,405 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
$1,332 NZD