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Oval|Lab Grown|IGI

1.45ct E SI2 Oval Lab Grown Diamond

ID • E/SI2 • IGI LG833633908

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG833633908

Diamond specifications and retailer prices

From $443 NZD
$249 USD
As of October 28, 2026
Save $2,014 NZD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,457 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.45ct lab-grown oval diamond

This 1.45ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG833633908 or 833633908. Listed at 12 retailers as of October 28, 2026, with prices from $443 to $2,457, a $2,014 spread on the same certified stone. Brilliant Earth lists it at $2,457. 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

1.45
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833633908
Dimensions9.23 × 6.44 × 3.71 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.23 mm6.44 mm1.45 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833633908
Side View
Table 57.0%Crown 36.6°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 57.6%

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 28
Current: $2,457 NZD|Low: $315 NZD|High: $2,528 NZD|Avg: $1,212 NZD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8$443 NZD
Retailer 3$839 NZD
Retailer 5$853 NZD
Retailer 6$885 NZD
Retailer 2$914 NZD
Retailer 7$1,586 NZD
Retailer 4$1,974 NZD
Brilliant Earth$2,457 NZD

40 data points across 8 retailers

12 retailers$443 NZD to $2,457 NZD

Retailer 1
-
$397 NZD
$223 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$443 NZD
$249 USD
View
Final sale: no returns
Retailer 3
-
$461 NZD
$259 USD
View
Price last confirmed 19 days ago
Retailer 4
-
$491 NZD
$276 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$491 NZD
$276 USD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
$839 NZD
$471 USD
View
A
Retailer 7
-
$885 NZD
$497 USD
View
B+
Retailer 8
-
$914 NZD
£404 GBP
View
Retailer 9
-
$1,581 NZD
$888 USD
View
Price last confirmed 22 days ago
B
Retailer 10
-
$1,586 NZD
$891 USD
View
B
Retailer 11
-
$1,974 NZD
£873 GBP
View
Most Expensive
B
Brilliant Earth
21319078A · Oct 28
$2,457 NZD
$1,380 USD
View
11 more retailers have this diamond
Prices start from $443 NZDSave up to $2,014 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
1.45ct Oval
$443 NZD