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Oval|Lab Grown|IGI

1.13ct D SI1 Oval Lab Grown Diamond

GD • D/SI1 • IGI LG508138146

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG508138146

Diamond specifications and retailer prices

From $445 SGD
As of November 6, 2026
Save $748 SGD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,193 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.13ct lab-grown oval diamond

This 1.13ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG508138146 or 508138146. Listed at 5 retailers as of November 4, 2026, with prices from $445 to $1,193, a $748 spread on the same certified stone. MOH London lists it at $1,193. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.13
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508138146
Dimensions8.24 × 5.89 × 3.69 mm
L/W Ratio1.40
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
8.24 mm5.89 mm1.13 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508138146
Side View
Table 61.0%Crown 37.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,193 SGD|Low: $420 SGD|High: $1,468 SGD|Avg: $723 SGD|-18.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$445 SGD
Retailer 5$464 SGD
Retailer 4$499 SGD
Retailer 3$573 SGD
MOH London$1,193 SGD

43 data points across 5 retailers

5 retailers$445 SGD to $1,193 SGD

A
Cheapest Retailer
-
$445 SGD
B+
Retailer 2
-
$464 SGD
View
B+
Retailer 3
-
$499 SGD
View
B+
Retailer 4
-
$573 SGD
View
Most Expensive
B
MOH London
LG508138146 · Nov 4
$1,193 SGD
£733 GBP
View
4 more retailers have this diamond
Prices start from $445 SGDSave up to $748 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
1.13ct Oval
$445 SGD