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Oval|Lab Grown|IGI

4.09ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG743506746

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG743506746

Diamond specifications and retailer prices

From $871 NZD
$491 USD
As of October 29, 2026
Save $5,463 NZD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,334 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.09ct lab-grown oval diamond

This 4.09ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG743506746 or 743506746. Listed at 17 retailers as of October 29, 2026, with prices from $871 to $6,334, a $5,463 spread on the same certified stone. Brilliant Earth lists it at $6,334. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.09
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743506746
Dimensions12.49 × 8.80 × 5.58 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.49 mm8.80 mm4.09 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743506746
Side View
Table 63.0%Crown 41.1°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 63.4%

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: $6,334 NZD|Low: $836 NZD|High: $6,334 NZD|Avg: $2,007 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
October 31, 2026
Retailer 12$871 NZD
Retailer 8$905 NZD
Retailer 6$974 NZD
Retailer 3$1,081 NZD
Retailer 13$1,081 NZD
Retailer 7$1,331 NZD
Retailer 2$1,613 NZD
Retailer 14$1,682 NZD
Retailer 9$1,796 NZD
Retailer 5$1,810 NZD
Retailer 11$2,525 NZD
Retailer 4$2,841 NZD
Retailer 10$4,516 NZD
Brilliant Earth$6,334 NZD

43 data points across 14 retailers

17 retailers$871 NZD to $6,334 NZD

A
Cheapest Retailer
-
$871 NZD
$491 USD
A
Retailer 2
-
$905 NZD
£401 GBP
View
A
Retailer 3
-
$974 NZD
$549 USD
View
Final sale: no returns
Retailer 4
-
$1,081 NZD
$609 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,081 NZD
$609 USD
View
A
Retailer 6
-
$1,331 NZD
$750 USD
View
Retailer 7
-
$1,613 NZD
€866 EUR
View
B+
Retailer 8
-
$1,682 NZD
$948 USD
View
A
Retailer 9
-
$1,796 NZD
£797 GBP
View
B+
Retailer 10
-
$1,810 NZD
$1,020 USD
View
B+
Retailer 11
-
$2,525 NZD
$1,423 USD
View
B+
Retailer 12
-
$2,528 NZD
$1,425 USD
View
B
Retailer 13
-
$2,841 NZD
$1,601 USD
View
B
Retailer 14
-
$3,521 NZD
$1,985 USD
View
B
Retailer 15
-
$3,590 NZD
$2,024 USD
View
B
Retailer 16
-
$4,516 NZD
£2,004 GBP
View
Most Expensive
B
Brilliant Earth
19351468A · Oct 29
$6,334 NZD
$3,570 USD
View
16 more retailers have this diamond
Prices start from $871 NZDSave up to $5,463 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
4.09ct Oval
$871 NZD