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 $495 NZD
$279 USD
As of October 30, 2026
10 retailers carry this diamond
Most expensive: $1,448 NZD 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 30, 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $751 NZD|Low: $287 NZD|High: $3,531 NZD|Avg: $1,267 NZD|+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$451 NZD
Retailer 9$495 NZD
Retailer 11$635 NZD
Retailer 1$751 NZD
Retailer 10$768 NZD
Retailer 12$807 NZD
Retailer 16$961 NZD
Retailer 15$1,017 NZD
Retailer 14$1,098 NZD
Retailer 2$1,320 NZD
Retailer 4$1,405 NZD
Retailer 5$1,542 NZD
Retailer 8$1,649 NZD
Retailer 13$2,129 NZD
Retailer 6$2,144 NZD
Retailer 7$3,531 NZD

16 data points across 16 retailers

10 retailers

Retailer 1
-
$348 NZD
$196 USD
Price last confirmed 29 days ago
Retailer 2
-
$364 NZD
$205 USD
View
Price last confirmed 38 days ago
Retailer 3
-
$421 NZD
$237 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$445 NZD
$251 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$445 NZD
$251 USD
View
Price last confirmed 31 days ago
A
Retailer 6
-
$495 NZD
$279 USD
View
Final sale: no returns
Retailer 7
-
$768 NZD
ZAR 6,997 ZAR
View
Price last confirmed 30 days ago
Retailer 8
-
$961 NZD
$542 USD
View
Price last confirmed 28 days ago
Retailer 9
-
$1,320 NZD
$744 USD
View
Price last confirmed 28 days ago
Most Expensive
NZ Jewellers
913f5070-4b43-44fa-8913-d1dca2423e13 · Sep 30
$1,448 NZD
$816 USD
View
Price last confirmed 31 days ago
9 more retailers have this diamond
Prices start from $495 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
1.23ct Oval
$495 NZD