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Oval|Lab Grown|IGI

1.23ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG816625304

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816625304

Diamond specifications and retailer prices

From $201 USD
As of October 29, 2026
Save $1,729 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,930 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 top-tier cut grade and certified by IGI LG816625304 or 816625304. Listed at 17 retailers as of October 29, 2026, with prices from $201 to $1,930, a $1,729 spread on the same certified stone. Brilliant Earth lists it at $1,930. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625304
Dimensions8.61 × 6.12 × 3.69 mm
L/W Ratio1.41
Girdle conditionFaceted
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
8.61 mm6.12 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816625304
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.3%

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 29
Current: $1,930 USD|Low: $196 USD|High: $1,930 USD|Avg: $648 USD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 10$201 USD
Retailer 7$225 USD
Retailer 16$233 USD
Retailer 3$249 USD
Retailer 18$249 USD
Retailer 12$427 USD
Retailer 8$433 USD
Retailer 14$435 USD
Retailer 2$455 USD
Retailer 15$641 USD
Retailer 5$791 USD
Retailer 4$800 USD
Retailer 9$837 USD
Retailer 6$854 USD
Retailer 17$881 USD
Retailer 11$1,170 USD
Retailer 13$1,470 USD
Brilliant Earth$1,930 USD

40 data points across 18 retailers

17 retailers$201 USD to $1,930 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$233 USD
View
A
Retailer 4
-
$249 USD
View
A
Retailer 5
-
$249 USD
View
A
Retailer 6
-
$427 USD
ZAR 6,904 ZAR
View
A
Retailer 7
-
$433 USD
View
A
Retailer 8
-
$455 USD
£358 GBP
View
A
Retailer 9
-
$641 USD
View
B+
Retailer 10
-
$791 USD
View
B+
Retailer 11
-
$800 USD
View
B+
Retailer 12
-
$837 USD
SGD 1,131 SGD
View
B+
Retailer 13
-
$854 USD
View
B+
Retailer 14
-
$881 USD
View
B+
Retailer 15
-
$1,170 USD
£921 GBP
View
B
Retailer 16
-
$1,470 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21434459A · Oct 29
$1,930 USD
View
16 more retailers have this diamond
Prices start from $201 USDSave up to $1,729 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
$201 USD