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 $279 USD
As of October 27, 2026
12 retailers carry this diamond
Most expensive: $1,208 USD at Reve Diamonds · As of October 2, 2026
View at Reve Diamonds

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 12 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
Color
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: $423 USD|Low: $162 USD|High: $1,990 USD|Avg: $713 USD|+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
Reve Diamonds
October 1, 2026
Retailer 3$254 USD
Retailer 8$279 USD
Retailer 10$358 USD
Retailer 1$423 USD
Retailer 9$433 USD
Retailer 11$455 USD
Retailer 15$542 USD
Retailer 14$573 USD
Retailer 13$619 USD
Retailer 2$744 USD
Retailer 4$792 USD
Retailer 5$869 USD
Retailer 7$930 USD
Retailer 12$1,200 USD
Reve Diamonds$1,208 USD
Retailer 6$1,990 USD

17 data points across 16 retailers

12 retailers

Retailer 1
-
$196 USD
Price last confirmed 28 days ago
Retailer 2
-
$205 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$237 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$251 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$251 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$279 USD
View
Final sale: no returns
Retailer 7
-
$433 USD
ZAR 6,997 ZAR
View
Price last confirmed 28 days ago
Retailer 8
-
$542 USD
View
Price last confirmed 27 days ago
Retailer 9
-
$744 USD
View
Price last confirmed 27 days ago
Retailer 10
-
$816 USD
View
Price last confirmed 29 days ago
Retailer 11
-
$869 USD
View
Price last confirmed 28 days ago
Most Expensive
Reve Diamonds
D78D96115 · Oct 2
$1,208 USD
View
Price last confirmed 27 days ago
11 more retailers have this diamond
Prices start from $279 USD

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
$279 USD