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Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG771642889

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG771642889

Diamond specifications and retailer prices

From $722 USD
As of October 29, 2026
Save $3,988 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,410 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG771642889 or 771642889. Listed at 14 retailers as of October 29, 2026, with a 552% 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771642889
Dimensions12.56 × 8.91 × 5.55 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.56 mm8.91 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771642889
Side View
Table 60.0%Crown 34.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 62.3%

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: $6,410 USD|Low: $693 USD|High: $6,410 USD|Avg: $2,410 USD
Do Amore Diamonds
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
October 29, 2026
Retailer 13$722 USD
Retailer 4$786 USD
Retailer 10$829 USD
Retailer 12$1,055 USD
Retailer 5$1,151 USD
Retailer 15$1,359 USD
Retailer 7$1,453 USD
Retailer 11$1,886 USD
Retailer 9$2,227 USD
Retailer 8$2,430 USD
Retailer 3$2,600 USD
Retailer 6$3,304 USD
Retailer 2$3,485 USD
Retailer 14$4,710 USD
Do Amore Diamonds$6,410 USD

22 data points across 15 retailers

14 retailers$722 USD to $4,710 USD

A
Cheapest Retailer
-
$722 USD
A
Retailer 2
-
$786 USD
View
Retailer 3
-
$829 USD
£653 GBP
View
Price last confirmed 10 days ago
A
Retailer 4
-
$1,055 USD
View
B+
Retailer 5
-
$1,151 USD
View
B+
Retailer 6
-
$1,359 USD
View
B
Retailer 7
-
$2,063 USD
View
B
Retailer 8
-
$2,227 USD
View
B
Retailer 9
-
$2,430 USD
View
B
Retailer 10
-
$2,600 USD
View
Retailer 11
-
$2,665 USD
View
Price last confirmed 22 days ago
B
Retailer 12
-
$3,485 USD
£2,744 GBP
View
B
Retailer 13
-
$4,710 USD
View
Most Expensive
Do Amore Diamonds
27-7BEF8F747 · Oct 29
$6,410 USD
View
Price under review
13 more retailers have this diamond
Prices start from $722 USDSave up to $3,988 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
$722 USD