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Oval|Lab Grown|IGI

3.98ct D VS1 Oval Lab Grown Diamond

VG • D/VS1 • IGI LG838621829

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG838621829

Diamond specifications and retailer prices

From $623 USD
As of October 29, 2026
Save $4,757 USD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,380 USD at Brilliant Earth · As of October 29, 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 very-good cut grade and certified by IGI LG838621829 or 838621829. Listed at 22 retailers as of October 29, 2026, with prices from $623 to $5,380, a $4,757 spread on the same certified stone. Brilliant Earth lists it at $5,380. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.98
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838621829
Dimensions13.72 × 8.87 × 5.25 mm
L/W Ratio1.55
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.72 mm8.87 mm3.98 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838621829
Side View
Table 58.0%Crown 31.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.2%

Caratlytics Score

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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: Oct 29
Current: $1,916 USD|Low: $611 USD|High: $3,795 USD|Avg: $1,825 USD|+4.9%
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Retailer 21
October 31, 2026
Retailer 21$623 USD
Retailer 9$697 USD
Retailer 5$772 USD
Retailer 2$900 USD
Retailer 17$970 USD
Retailer 15$1,045 USD
Retailer 13$1,118 USD
Retailer 18$1,207 USD
Retailer 12$1,632 USD
Retailer 6$1,677 USD
Retailer 19$1,705 USD
Retailer 1$1,916 USD
Retailer 10$1,992 USD
Retailer 3$2,240 USD
Retailer 7$2,464 USD
Retailer 20$2,494 USD
Retailer 16$2,543 USD
Retailer 8$2,586 USD
Retailer 4$3,059 USD
Retailer 14$3,296 USD
Retailer 11$3,760 USD

28 data points across 21 retailers

22 retailers$623 USD to $5,380 USD

A
Cheapest Retailer
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$623 USD
A
Retailer 2
-
$697 USD
View
Final sale: no returns
Retailer 3
-
$765 USD
View
Price last confirmed 14 days ago
A
Retailer 4
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$772 USD
View
A
Retailer 5
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$900 USD
View
A
Retailer 6
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$970 USD
£764 GBP
View
B+
Retailer 7
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$1,045 USD
View
A
Retailer 8
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$1,207 USD
£951 GBP
View
B+
Retailer 9
-
$1,632 USD
A$2,510 AUD
View
B+
Retailer 10
-
$1,677 USD
ZAR 27,095 ZAR
View
B+
Retailer 11
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$1,705 USD
View
B+
Retailer 12
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$1,916 USD
View
B+
Retailer 13
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$1,992 USD
View
B+
Retailer 14
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$2,240 USD
£1,764 GBP
View
B+
Retailer 15
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$2,464 USD
View
B+
Retailer 16
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$2,494 USD
View
B+
Retailer 17
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$2,543 USD
View
B+
Retailer 18
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$2,586 USD
View
B
Retailer 19
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$3,059 USD
£2,409 GBP
View
Retailer 20
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$3,296 USD
A$5,071 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
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$3,760 USD
View
Most Expensive
B
Brilliant Earth
21801041A · Oct 29
$5,380 USD
View
21 more retailers have this diamond
Prices start from $623 USDSave up to $4,757 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
$623 USD