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Oval|Lab Grown|IGI

4.03ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG618432908

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG618432908

Diamond specifications and retailer prices

From $3,781 USD
As of October 26, 2026
Save $6,424 USD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $10,205 USD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 4.03ct lab-grown oval diamond

This 4.03ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618432908 or 618432908. Listed at 4 retailers as of October 26, 2026, with prices from $3,781 to $10,205, a $6,424 spread on the same certified stone. Blue Nile lists it at $10,205. 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

4.03
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618432908
Dimensions12.38 × 8.86 × 5.70 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.38 mm8.86 mm4.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618432908
Side View
Table 59.0%Crown 38.5°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 64.3%

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: Oct 26
Current: $10,205 USD|Low: $3,586 USD|High: $20,381 USD|Avg: $11,599 USD|+18.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4$3,781 USD
Retailer 3$6,040 USD
Retailer 2$8,510 USD
Blue Nile$10,205 USD
Retailer 6$14,920 USD
Retailer 5$16,489 USD
Retailer 7$20,381 USD

15 data points across 7 retailers

4 retailers$3,781 USD to $10,205 USD

A
Cheapest Retailer
-
$3,781 USD
Retailer 2
-
$6,040 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$8,510 USD
View
Most Expensive
B
Blue Nile
29973824 · Oct 29
$10,205 USD
View
3 more retailers have this diamond
Prices start from $3,781 USDSave up to $6,424 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
4.03ct Oval
$3,781 USD