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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 €180 EUR
$201 USD
As of October 29, 2026
Save €1,548 EUR (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,728 EUR 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 €180 to €1,728, a €1,548 spread on the same certified stone. Brilliant Earth lists it at €1,728. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €1,728 EUR|Low: €175 EUR|High: €1,728 EUR|Avg: €585 EUR
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 30, 2026
Retailer 10€180 EUR
Retailer 7€201 EUR
Retailer 16€209 EUR
Retailer 3€223 EUR
Retailer 18€223 EUR
Retailer 12€383 EUR
Retailer 8€388 EUR
Retailer 14€389 EUR
Retailer 2€409 EUR
Retailer 15€574 EUR
Retailer 5€708 EUR
Retailer 4€716 EUR
Retailer 9€749 EUR
Retailer 6€764 EUR
Retailer 17€789 EUR
Retailer 11€1,047 EUR
Retailer 13€1,316 EUR
Brilliant Earth€1,728 EUR

40 data points across 18 retailers

17 retailers€180 EUR to €1,728 EUR

A
Cheapest Retailer
-
€180 EUR
$201 USD
A
Retailer 2
-
€201 EUR
$225 USD
View
Final sale: no returns
A
Retailer 3
-
€209 EUR
$233 USD
View
A
Retailer 4
-
€223 EUR
$249 USD
View
A
Retailer 5
-
€223 EUR
$249 USD
View
A
Retailer 6
-
€383 EUR
ZAR 6,904 ZAR
View
A
Retailer 7
-
€388 EUR
$433 USD
View
A
Retailer 8
-
€409 EUR
£359 GBP
View
B+
Retailer 9
-
€574 EUR
$641 USD
View
B+
Retailer 10
-
€708 EUR
$791 USD
View
B+
Retailer 11
-
€716 EUR
$800 USD
View
B+
Retailer 12
-
€749 EUR
SGD 1,131 SGD
View
B+
Retailer 13
-
€764 EUR
$854 USD
View
B+
Retailer 14
-
€789 EUR
$881 USD
View
B+
Retailer 15
-
€1,047 EUR
£921 GBP
View
Retailer 16
-
€1,316 EUR
$1,470 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21434459A · Oct 29
€1,728 EUR
$1,930 USD
View
16 more retailers have this diamond
Prices start from €180 EURSave up to €1,548 EUR

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
€180 EUR