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Oval|Lab Grown|IGI

1.23ct E IF Oval Lab Grown Diamond

GD • E/IF • IGI LG744510529

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG744510529

Diamond specifications and retailer prices

From $397 AUD
$279 USD
As of October 27, 2026
10 retailers carry this diamond
Most expensive: $1,161 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG744510529 or 744510529. Listed at 10 retailers as of October 27, 2026. 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

1.23
Carat
E
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744510529
Dimensions8.55 × 6.05 × 3.79 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.55 mm6.05 mm1.23 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744510529
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $602 AUD|Low: $231 AUD|High: $2,833 AUD|Avg: $1,014 AUD|+0.2%
Retailer 1
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
October 1, 2026
Retailer 3$362 AUD
Retailer 9$397 AUD
Retailer 11$510 AUD
Retailer 1$602 AUD
Retailer 10$616 AUD
Retailer 12$647 AUD
Retailer 16$771 AUD
Retailer 15$816 AUD
Retailer 14$881 AUD
Retailer 2$1,059 AUD
Retailer 4$1,127 AUD
Retailer 5$1,237 AUD
Retailer 8$1,323 AUD
Retailer 13$1,708 AUD
Retailer 6$1,720 AUD
Retailer 7$2,833 AUD

17 data points across 16 retailers

10 retailers

Retailer 1
-
$279 AUD
$196 USD
Price last confirmed 28 days ago
Retailer 2
-
$292 AUD
$205 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$337 AUD
$237 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$357 AUD
$251 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$357 AUD
$251 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$397 AUD
$279 USD
View
Final sale: no returns
Retailer 7
-
$616 AUD
ZAR 6,997 ZAR
View
Price last confirmed 28 days ago
Retailer 8
-
$771 AUD
$542 USD
View
Price last confirmed 27 days ago
Retailer 9
-
$1,059 AUD
$744 USD
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
913f5070-4b43-44fa-8913-d1dca2423e13 · Sep 30
$1,161 AUD
$816 USD
View
Price last confirmed 30 days ago
9 more retailers have this diamond
Prices start from $397 AUD

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
1.23ct Oval
$397 AUD