Oval|Lab Grown|IGI

1.23ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG816679702

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816679702

Diamond specifications and retailer prices

From €391 EUR
As of November 4, 2026
Save €1,631 EUR (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €2,022 EUR at Brilliant Earth · As of November 5, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816679702 or 816679702. Listed at 7 retailers as of November 4, 2026, with prices from €391 to €2,022, a €1,631 spread on the same certified stone. Brilliant Earth lists it at €2,022. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816679702
Dimensions8.56 × 6.11 × 3.76 mm
L/W Ratio1.40
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
8.56 mm6.11 mm1.23 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816679702
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

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: Nov 4
Current: €2,022 EUR|Low: €387 EUR|High: €2,076 EUR|Avg: €781 EUR|-2.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7€391 EUR
Retailer 5€428 EUR
Retailer 6€444 EUR
Retailer 4€606 EUR
Retailer 3€1,057 EUR
Retailer 2€1,118 EUR
Brilliant Earth€2,022 EUR

19 data points across 7 retailers

7 retailers€391 EUR to €2,022 EUR

A
Cheapest Retailer
-
€391 EUR
A
Retailer 2
-
€444 EUR
View
A
Retailer 3
-
€606 EUR
View
B
Retailer 4
-
€1,057 EUR
View
B+
Retailer 5
-
€1,118 EUR
View
B
Retailer 6
-
€1,586 EUR
View
Most Expensive
B
Brilliant Earth
20596916A · Nov 5
€2,022 EUR
$2,270 USD
View
6 more retailers have this diamond
Prices start from €391 EURSave up to €1,631 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
€391 EUR