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 $839 NZD
$473 USD
As of October 29, 2026
Save $5,832 NZD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,671 NZD 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 $839 to $6,671, a $5,832 spread on the same certified stone. Brilliant Earth lists it at $6,671. 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: $6,671 NZD|Low: $806 NZD|High: $6,671 NZD|Avg: $2,376 NZD
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$839 NZD
Retailer 16$873 NZD
Retailer 13$940 NZD
Retailer 3$1,040 NZD
Retailer 17$1,040 NZD
Retailer 11$1,286 NZD
Retailer 6$1,623 NZD
Retailer 2$1,682 NZD
Retailer 10$1,726 NZD
Retailer 7$1,783 NZD
Retailer 9$2,660 NZD
Retailer 14$2,796 NZD
Retailer 8$2,940 NZD
Retailer 4$3,345 NZD
Retailer 12$3,826 NZD
Retailer 15$6,121 NZD
Brilliant Earth$6,671 NZD

39 data points across 17 retailers

16 retailers$839 NZD to $6,671 NZD

A
Cheapest Retailer
-
$839 NZD
$473 USD
Retailer 2
-
$873 NZD
£387 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$940 NZD
$530 USD
View
Retailer 4
-
$1,040 NZD
$586 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,040 NZD
$586 USD
View
A
Retailer 6
-
$1,286 NZD
$725 USD
View
B+
Retailer 7
-
$1,623 NZD
$915 USD
View
A
Retailer 8
-
$1,682 NZD
€903 EUR
View
A
Retailer 9
-
$1,726 NZD
£766 GBP
View
A
Retailer 10
-
$1,783 NZD
$1,005 USD
View
B+
Retailer 11
-
$2,660 NZD
$1,499 USD
View
B+
Retailer 12
-
$2,796 NZD
$1,576 USD
View
B+
Retailer 13
-
$3,345 NZD
$1,885 USD
View
B
Retailer 14
-
$3,826 NZD
£1,698 GBP
View
Retailer 15
-
$6,121 NZD
$3,450 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
9832002A · Oct 29
$6,671 NZD
$3,760 USD
View
15 more retailers have this diamond
Prices start from $839 NZDSave up to $5,832 NZD

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
$839 NZD