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Oval|Lab Grown|IGI

4.22ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG628437673

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG628437673

Diamond specifications and retailer prices

From $473 USD
As of October 29, 2026
Save $3,287 USD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,760 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.22ct lab-grown oval diamond

This 4.22ct 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 LG628437673 or 628437673. Listed at 15 retailers as of October 29, 2026, with prices from $473 to $3,760, a $3,287 spread on the same certified stone. Brilliant Earth lists it at $3,760. 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

4.22
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628437673
Dimensions13.04 × 9.21 × 5.70 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.04 mm9.21 mm4.22 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628437673
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

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 29
Current: $3,760 USD|Low: $454 USD|High: $3,760 USD|Avg: $1,338 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 30, 2026
Retailer 5$473 USD
Retailer 15$492 USD
Retailer 11$530 USD
Retailer 16$586 USD
Retailer 17$586 USD
Retailer 3$885 USD
Retailer 6$915 USD
Retailer 2$973 USD
Retailer 14$1,002 USD
Retailer 7$1,005 USD
Retailer 9$1,499 USD
Retailer 12$1,576 USD
Retailer 8$1,657 USD
Retailer 4$1,885 USD
Retailer 10$2,156 USD
Retailer 13$3,450 USD
Brilliant Earth$3,760 USD

39 data points across 17 retailers

15 retailers$473 USD to $3,760 USD

A
Cheapest Retailer
-
$473 USD
Retailer 2
-
$492 USD
£387 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$530 USD
View
Retailer 4
-
$586 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$586 USD
View
A
Retailer 6
-
$885 USD
View
B+
Retailer 7
-
$915 USD
View
A
Retailer 8
-
$973 USD
£766 GBP
View
A
Retailer 9
-
$1,005 USD
View
B+
Retailer 10
-
$1,499 USD
View
B+
Retailer 11
-
$1,576 USD
View
B+
Retailer 12
-
$1,885 USD
View
B
Retailer 13
-
$2,156 USD
£1,698 GBP
View
Retailer 14
-
$3,450 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
9832002A · Oct 29
$3,760 USD
View
14 more retailers have this diamond
Prices start from $473 USDSave up to $3,287 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
4.22ct Oval
$473 USD