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Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG783649458

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG783649458

Diamond specifications and retailer prices

From $887 USD
As of November 2, 2026
Save $1,852 USD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,739 USD at MOH London · As of November 3, 2026
View at MOH London

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG783649458 or 783649458. Listed at 7 retailers as of November 2, 2026, with prices from $887 to $2,739, a $1,852 spread on the same certified stone. MOH London lists it at $2,739. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783649458
Dimensions8.36 × 6.16 × 3.79 mm
L/W Ratio1.36
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
8.36 mm6.16 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783649458
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.1°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 2
Current: $2,739 USD|Low: $885 USD|High: $3,282 USD|Avg: $1,734 USD|-13.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 3$887 USD
Retailer 6$933 USD
Retailer 2$1,008 USD
Retailer 4$1,015 USD
Retailer 5$2,133 USD
MOH London$2,739 USD

41 data points across 6 retailers

7 retailers$887 USD to $2,739 USD

A
Cheapest Retailer
-
$887 USD
B+
Retailer 2
-
$933 USD
View
B+
Retailer 3
-
$1,008 USD
£794 GBP
View
B+
Retailer 4
-
$1,015 USD
View
B
Retailer 5
-
$2,133 USD
View
Retailer 6
-
$2,620 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
LG783649458 · Nov 3
$2,739 USD
£2,157 GBP
View
6 more retailers have this diamond
Prices start from $887 USDSave up to $1,852 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
$887 USD