Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG844635982

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844635982

Diamond specifications and retailer prices

From $445 USD
As of October 29, 2026
Save $1,591 USD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,450 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 4ct lab-grown oval diamond

This 4ct 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 LG844635982 or 844635982. Listed at 10 retailers as of October 29, 2026, with a 357% 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

4.00
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844635982
Dimensions13.28 × 8.80 × 5.20 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.28 mm8.80 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844635982
Side View
Table 63.0%Crown 32.7°Girdle: STK-VTKPavilion 38.7°Culet: NoneDepth 59.1%

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 29
Current: $2,450 USD|Low: $445 USD|High: $2,450 USD|Avg: $1,322 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 2$445 USD
Retailer 4$497 USD
Retailer 10$740 USD
Retailer 3$851 USD
Retailer 5$909 USD
Retailer 7$964 USD
Retailer 9$1,355 USD
Retailer 8$1,750 USD
Retailer 11$1,805 USD
Retailer 6$2,036 USD
Rare Carat$2,450 USD

16 data points across 11 retailers

10 retailers$445 USD to $2,036 USD

A
Cheapest Retailer
-
$445 USD
A
Retailer 2
-
$497 USD
View
Final sale: no returns
B+
Retailer 3
-
$740 USD
View
A
Retailer 4
-
$909 USD
£715 GBP
View
A
Retailer 5
-
$964 USD
View
B+
Retailer 6
-
$1,355 USD
View
B+
Retailer 7
-
$1,750 USD
SGD 2,365 SGD
View
B
Retailer 8
-
$1,805 USD
View
B
Retailer 9
-
$2,036 USD
£1,603 GBP
View
Most Expensive
Rare Carat
42A844635982 · Oct 18
$2,450 USD
View
Price last confirmed 11 days ago
9 more retailers have this diamond
Prices start from $445 USDSave up to $1,591 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
4.00ct Oval
$445 USD