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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 $751 USD
As of October 29, 2026
Save $4,737 USD (86%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,488 USD 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 29, 2026, with prices from $751 to $5,488, a $4,737 spread on the same certified stone. Frank Darling lists it at $5,488. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,488 USD|Low: $520 USD|High: $5,780 USD|Avg: $2,542 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 3$751 USD
Retailer 8$756 USD
Retailer 4$1,030 USD
Retailer 6$1,562 USD
Retailer 5$2,390 USD
Retailer 2$3,550 USD
Frank Darling$5,488 USD
Retailer 7$5,780 USD

21 data points across 8 retailers

6 retailers$751 USD to $5,488 USD

A
Cheapest Retailer
-
$751 USD
Final sale: no returns
B+
Retailer 2
-
$1,030 USD
View
Retailer 3
-
$1,562 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$2,390 USD
View
Price last confirmed 7 days ago
B
Retailer 5
-
$3,550 USD
View
Most Expensive
B
Frank Darling
100760217053KD · Oct 31
$5,488 USD
View
5 more retailers have this diamond
Prices start from $751 USDSave up to $4,737 USD

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
$751 USD