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Oval|Lab Grown|IGI

3.98ct D VS1 Oval Lab Grown Diamond

EX • D/VS1 • IGI LG807691796

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG807691796

Diamond specifications and retailer prices

From $1,645 USD
As of October 30, 2026
Save $3,290 USD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,020 USD at Queensmith · As of October 16, 2026
View at Queensmith

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 LG807691796 or 807691796. Listed at 16 retailers as of October 25, 2026, with a 200% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807691796
Dimensions13.02 × 8.94 × 13.02 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.02 mm8.94 mm3.98 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807691796
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

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 30
Current: $1,645 USD|Low: $1,603 USD|High: $4,965 USD|Avg: $3,327 USD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3$1,603 USD
Retailer 1$1,645 USD
Retailer 6$1,880 USD
Retailer 8$2,421 USD
Retailer 10$2,719 USD
Retailer 11$3,132 USD
Retailer 4$3,203 USD
Retailer 2$3,862 USD
Retailer 5$3,964 USD
Retailer 7$4,115 USD
Retailer 9$4,596 USD
Retailer 12$4,935 USD

38 data points across 12 retailers

16 retailers$1,645 USD to $4,935 USD

Retailer 1
-
$1,470 USD
Price last confirmed 9 days ago
Retailer 2
-
$1,603 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$1,645 USD
View
Final sale: no returns
Retailer 4
-
$1,705 USD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$1,880 USD
View
B+
Retailer 6
-
$2,421 USD
View
B+
Retailer 7
-
$2,719 USD
View
B+
Retailer 8
-
$3,132 USD
View
Retailer 9
-
$3,195 USD
View
Price last confirmed 9 days ago
Retailer 10
-
$3,203 USD
A$4,928 AUD
View
Price last confirmed 22 days ago
Retailer 11
-
$3,862 USD
A$5,942 AUD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$3,964 USD
ZAR 64,041 ZAR
View
B
Retailer 13
-
$4,115 USD
£3,240 GBP
View
B
Retailer 14
-
$4,596 USD
View
B
Retailer 15
-
$4,935 USD
£3,886 GBP
View
Most Expensive
Queensmith
LG807691796 · Oct 16
$6,020 USD
£4,740 GBP
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $1,645 USDSave up to $3,290 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
$1,645 USD