CaratHunter
Plans
Oval|Lab Grown|IGI

4.08ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG534263397

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG534263397

Diamond specifications and retailer prices

From $1,203 USD
As of October 29, 2026
Save $3,048 USD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,780 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.08ct lab-grown oval diamond

This 4.08ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG534263397 or 534263397. Listed at 14 retailers as of October 29, 2026, with a 253% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.08
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534263397
Dimensions12.82 × 9.02 × 5.64 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
Presence of internal laser 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
12.82 mm9.02 mm4.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534263397
Side View
Table 59.5%Crown 36.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,780 USD|Low: $858 USD|High: $6,990 USD|Avg: $2,727 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$1,203 USD
Retailer 6$1,390 USD
Retailer 7$1,622 USD
Retailer 2$1,806 USD
Retailer 5$1,986 USD
Retailer 4$2,050 USD
Retailer 9$2,529 USD
Retailer 10$3,520 USD
Retailer 3$4,251 USD
Brilliant Earth$6,780 USD

41 data points across 10 retailers

14 retailers$1,203 USD to $4,251 USD

Retailer 1
-
$1,032 USD
Price last confirmed 28 days ago
Retailer 2
-
$1,169 USD
View
Price last confirmed 34 days ago
B+
Retailer 3
-
$1,203 USD
View
Final sale: no returns
Retailer 4
-
$1,247 USD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
$1,390 USD
View
B+
Retailer 6
-
$1,622 USD
View
B+
Retailer 7
-
$1,806 USD
£1,422 GBP
View
B+
Retailer 8
-
$1,986 USD
€1,891 EUR
View
B
Retailer 9
-
$2,050 USD
View
Retailer 10
-
$2,337 USD
View
Price last confirmed 22 days ago
B
Retailer 11
-
$2,529 USD
View
B
Retailer 12
-
$3,520 USD
View
B
Retailer 13
-
$4,251 USD
£3,347 GBP
View
Most Expensive
Brilliant Earth
10022001A · Oct 29
$6,780 USD
View
Price under review
13 more retailers have this diamond
Prices start from $1,203 USDSave up to $3,048 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.

B+
4.08ct Oval
$1,203 USD