Oval|Lab Grown|IGI

1.23ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG807675108

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG807675108

Diamond specifications and retailer prices

From $232 USD
As of October 30, 2026
Save $1,698 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,750 USD at Brilliant Earth · As of October 4, 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 LG807675108 or 807675108. Listed at 21 retailers as of October 28, 2026, with a 732% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807675108
Dimensions8.66 × 6.01 × 3.73 mm
L/W Ratio1.44
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
8.66 mm6.01 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807675108
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

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 30
Current: $1,930 USD|Low: $232 USD|High: $2,750 USD|Avg: $785 USD|-3.0%
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
October 30, 2026
Retailer 3$232 USD
Retailer 13$258 USD
Retailer 14$258 USD
Retailer 5$348 USD
Retailer 11$443 USD
Retailer 8$455 USD
Retailer 2$476 USD
Retailer 16$502 USD
Retailer 9$620 USD
Retailer 12$631 USD
Retailer 6$667 USD
Retailer 15$794 USD
Retailer 17$883 USD
Retailer 10$1,040 USD
Retailer 4$1,220 USD
Retailer 7$1,460 USD
Brilliant Earth$1,930 USD

34 data points across 17 retailers

21 retailers$232 USD to $1,930 USD

Retailer 1
-
$205 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$258 USD
View
A
Retailer 4
-
$258 USD
View
Retailer 5
-
$265 USD
View
Price last confirmed 27 days ago
Retailer 6
-
$294 USD
HK$2,300 HKD
View
Price last confirmed 56 days ago
B+
Retailer 7
-
$348 USD
View
A
Retailer 8
-
$443 USD
ZAR 7,163 ZAR
View
A
Retailer 9
-
$476 USD
£375 GBP
View
A
Retailer 10
-
$502 USD
View
Retailer 11
-
$586 USD
View
Price last confirmed 20 days ago
A
Retailer 12
-
$631 USD
A$970 AUD
View
B+
Retailer 13
-
$667 USD
View
B+
Retailer 14
-
$794 USD
View
Retailer 15
-
$852 USD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$883 USD
View
B+
Retailer 17
-
$1,040 USD
£819 GBP
View
B
Retailer 18
-
$1,220 USD
View
Retailer 19
-
$1,460 USD
View
Price last confirmed 11 days ago
B
Retailer 20
-
$1,930 USD
View
Most Expensive
Brilliant Earth
20410745A · Oct 4
$2,750 USD
View
Price last confirmed 25 days ago
20 more retailers have this diamond
Prices start from $232 USDSave up to $1,698 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
$232 USD