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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 $1,134 SGD
$887 USD
As of November 3, 2026
Save $2,369 SGD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,503 SGD 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 3, 2026, with prices from $1,134 to $3,503, a $2,369 spread on the same certified stone. MOH London lists it at $3,503. 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
Colour
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 3
Current: $3,503 SGD|Low: $1,132 SGD|High: $4,197 SGD|Avg: $2,218 SGD|-13.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 4$1,134 SGD
Retailer 6$1,193 SGD
Retailer 3$1,289 SGD
Retailer 5$1,298 SGD
Retailer 2$2,783 SGD
MOH London$3,503 SGD

41 data points across 6 retailers

7 retailers$1,134 SGD to $3,503 SGD

A
Cheapest Retailer
-
$1,134 SGD
$887 USD
B+
Retailer 2
-
$1,193 SGD
$933 USD
View
B+
Retailer 3
-
$1,289 SGD
£794 GBP
View
B+
Retailer 4
-
$1,298 SGD
$1,015 USD
View
B
Retailer 5
-
$2,783 SGD
$2,176 USD
View
Retailer 6
-
$3,351 SGD
$2,620 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
LG783649458 · Nov 3
$3,503 SGD
£2,157 GBP
View
6 more retailers have this diamond
Prices start from $1,134 SGDSave up to $2,369 SGD

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
$1,134 SGD