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Oval|Lab Grown|IGI

4.05ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG797669797

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797669797

Diamond specifications and retailer prices

From $2,213 USD
£1,743 GBP
As of October 29, 2026
Save $7,637 USD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,850 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.05ct lab-grown oval diamond

This 4.05ct 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 LG797669797 or 797669797. Listed at 24 retailers as of October 29, 2026, with prices from $2,213 to $9,850, a $7,637 spread on the same certified stone. Brilliant Earth lists it at $9,850. 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

4.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797669797
Dimensions12.92 × 8.87 × 5.58 mm
L/W Ratio1.46
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
12.92 mm8.87 mm4.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797669797
Side View
Table 59.0%Crown 35.6°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.9%

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: $9,850 USD|Low: $2,186 USD|High: $9,850 USD|Avg: $4,514 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 30, 2026
Retailer 11$2,213 USD
Retailer 12$2,277 USD
Retailer 16$2,478 USD
Retailer 9$2,642 USD
Retailer 14$2,642 USD
Retailer 2$3,629 USD
Retailer 15$3,631 USD
Retailer 6$3,972 USD
Retailer 5$4,049 USD
Retailer 4$4,170 USD
Retailer 7$5,503 USD
Retailer 10$5,623 USD
Retailer 17$5,669 USD
Retailer 3$6,175 USD
Retailer 8$6,702 USD
Retailer 13$7,177 USD
Brilliant Earth$9,850 USD

33 data points across 17 retailers

24 retailers$2,213 USD to $9,850 USD

A
Cheapest Retailer
-
$2,213 USD
£1,743 GBP
A
Retailer 2
-
$2,277 USD
View
A
Retailer 3
-
$2,478 USD
View
A
Retailer 4
-
$2,549 USD
View
Final sale: no returns
Retailer 5
-
$2,642 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$2,642 USD
View
A
Retailer 7
-
$2,805 USD
View
A
Retailer 8
-
$2,859 USD
View
A
Retailer 9
-
$3,629 USD
£2,858 GBP
View
A
Retailer 10
-
$3,631 USD
View
A
Retailer 11
-
$3,972 USD
View
A
Retailer 12
-
$4,049 USD
View
A
Retailer 13
-
$5,014 USD
£3,948 GBP
View
A
Retailer 14
-
$5,503 USD
View
A
Retailer 15
-
$5,623 USD
ZAR 90,846 ZAR
View
Retailer 16
-
$5,669 USD
A$8,721 AUD
View
Price last confirmed 7 days ago
Retailer 17
-
$6,175 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$6,702 USD
View
B+
Retailer 19
-
$6,903 USD
View
B+
Retailer 20
-
$7,054 USD
View
B+
Retailer 21
-
$7,177 USD
£5,651 GBP
View
B+
Retailer 22
-
$7,459 USD
View
B
Retailer 23
-
$9,229 USD
View
Most Expensive
B
Brilliant Earth
19793666A · Oct 29
$9,850 USD
View
23 more retailers have this diamond
Prices start from $2,213 USDSave up to $7,637 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
4.05ct Oval
$2,213 USD