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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 $605 SGD
$473 USD
As of October 29, 2026
Save $4,202 SGD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,807 SGD 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 16 retailers as of October 29, 2026, with prices from $605 to $4,807, a $4,202 spread on the same certified stone. Brilliant Earth lists it at $4,807. 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
Colour
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

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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: $4,807 SGD|Low: $580 SGD|High: $4,807 SGD|Avg: $1,712 SGD
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 5$605 SGD
Retailer 16$629 SGD
Retailer 13$678 SGD
Retailer 3$749 SGD
Retailer 17$749 SGD
Retailer 11$927 SGD
Retailer 6$1,170 SGD
Retailer 2$1,212 SGD
Retailer 10$1,244 SGD
Retailer 7$1,285 SGD
Retailer 9$1,916 SGD
Retailer 14$2,015 SGD
Retailer 8$2,118 SGD
Retailer 4$2,410 SGD
Retailer 12$2,757 SGD
Retailer 15$4,410 SGD
Brilliant Earth$4,807 SGD

39 data points across 17 retailers

16 retailers$605 SGD to $4,807 SGD

A
Cheapest Retailer
-
$605 SGD
$473 USD
Retailer 2
-
$629 SGD
£387 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$678 SGD
$530 USD
View
Retailer 4
-
$749 SGD
$586 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$749 SGD
$586 USD
View
A
Retailer 6
-
$927 SGD
$725 USD
View
B+
Retailer 7
-
$1,170 SGD
$915 USD
View
A
Retailer 8
-
$1,212 SGD
€903 EUR
View
A
Retailer 9
-
$1,244 SGD
£766 GBP
View
A
Retailer 10
-
$1,285 SGD
$1,005 USD
View
B+
Retailer 11
-
$1,916 SGD
$1,499 USD
View
B+
Retailer 12
-
$2,015 SGD
$1,576 USD
View
B+
Retailer 13
-
$2,410 SGD
$1,885 USD
View
B
Retailer 14
-
$2,757 SGD
£1,698 GBP
View
Retailer 15
-
$4,410 SGD
$3,450 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
9832002A · Oct 29
$4,807 SGD
$3,760 USD
View
15 more retailers have this diamond
Prices start from $605 SGDSave up to $4,202 SGD

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
$605 SGD